Find an in-network doctor from over 1,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
315 verified Therapists/Counselors in San Marcos, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
All providers
Availability last updated 05/01/2026
Availability last updated 05/01/2026
Psychotherapist (Virtual)
5.00
·4 reviews
- Feb 10, 2024 by Christopher L.Click to read more
San Marcos, CA
Accepts Aetna, BlueCross BlueShield, UnitedHealthcare + 6 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Dr. Sam Brumit is a life coach, counselor, and consultant with a Master's in Marriage and Family Therapy from Alliant International University and a PsyD in Psychology from California Coast University. He has lived in Virginia, Tennessee, New York, Pennsylvania, and California. Sam married up when ...Click to read more
Next available: Mon, May 4
Psychotherapist
0.5 mi · 300 Rancheros Dr, Ste 130, San Marcos, CA 92069
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients ·
Read bio
Alexandria Smith, LCSW offers compassionate and expert care to individuals across California. With her extensive experience in individual and couples therapy, she is committed to helping patients navigate their mental health journeys. Alexandria serves a wide range of age groups, including children,...Click to read more
Next available: Mon, May 4
Psychotherapist (Virtual)
4.82
·22 reviews
Great experience I’m looking forward to more sessions with my therapist, - Sep 1, 2025 by Mitchell D.Click to read more
San Marcos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
*Note that prior to the first session with the provider, LifeStance will require a credit card on file. *LifeStance providers do not accept Medicare or Medicaid insurance. If booking with these, you will be unable to be seen. *This provider only treats residents residing in the state of California...Click to read more
Next available: Tue, May 5
Psychologist (Virtual)
4.00
·2 reviews
- Apr 24, 2026 by John C.Click to read more
San Marcos, CA
Accepts Aetna, Cigna, Medicare + 21 more
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
Dr. Yvonne Love helps teens, adults, and seniors in California build emotional resilience, improve relationships, and regain a sense of balance when life feels overwhelming. Practicing at LifeStance Health, she provides compassionate, evidence-based mental health care through individual therapy and ...Click to read more
Next available: Wed, May 6
Psychotherapist (Virtual)
4.91
·22 reviews
San Marcos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 27 more
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
*Note that prior to the first session with the provider, LifeStance requires a credit card on file. *LifeStance providers do not accept Medicare or Medicaid insurance. If you are booking with these, you will be unable to be seen. *This provider only treats residents residing in the state of Califo...Click to read more
Next available: Wed, May 6
Psychotherapist (Virtual)
5.00
·4 reviews
San Marcos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 27 more
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
*Note that prior to the first session taking place with the provider, LifeStance will require a credit card on file. *LifeStance providers do not accept Medicare or Medicaid insurance. If booking with these, you will be unable to be seen. *This provider only treats residents residing in the state ...Click to read more
Next available: Sat, May 9
Psychotherapist (Virtual)
San Marcos, CA
Accepts Aetna, Cigna, Medicare + 19 more
Accepting new patients · Offers video visits ·
Read bio
Marcella Santamaria, LCSW, helps teens, adults, and seniors across California navigate lifes emotional and relational challenges with warmth, cultural sensitivity, and clinical expertise. Practicing at LifeStance Health, she offers individual, couples, and family therapy, supporting clients through ...Click to read more
Next available: Wed, May 13
Psychotherapist (Virtual)
San Marcos, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 23 more
Accepting new patients · Offers video visits ·
Read bio
Kyle Hausheer, LMFT, helps individuals, couples, and families navigate life's challenges by creating a safe, collaborative environment where healing and growth can take root. Serving adolescents, teens, and adults across California, Kyle offers compassionate mental health care designed to empower cl...Click to read more
Next available: Tue, May 19
Psychotherapist
4.25
·12 reviews
She seemed nice but just not for us. - Mar 13, 2025 by Judith V.Click to read more
0.5 mi · 300 Rancheros Dr, Ste 130, San Marcos, CA 92069
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Also offers video visits · Accepting new patients ·
Read bio
Janell Makaipo is a therapist with more than 15 years of experience specializing in child therapy and life transitions. She holds a Master’s degree in Marriage and Family Therapy from California Polytechnic State University. Janell has expertise in Cognitive Behavioral Therapy, Positive Psychology, ...Click to read more
Next available: Wed, May 20
Psychotherapist
4 mi · 1740 La Costa Meadows Dr, Ste 104, San Marcos, CA 92078
Also offers video visits · Accepting new patients ·
Read bio
Hello, I have been serving my community through psychotherapy practices for almost 20 years. I am a wife, mother, daughter, sister, friend and business owner who understands the challenges, struggles, sorrows and joys of life because of my own relationships and experiences - both personally and pro...Click to read more
Next available: Mon, May 4
Psychotherapist
5.00
·10 reviews
Great experience and have scheduled another visit. Highly recommended. - Oct 27, 2022Click to read more
7 mi · 2210 E Vista Way, Ste 1, Vista, CA 92084
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Investing in your emotional health is one of the best decisions you can ever make. Whether your life has been flipped upside down or you simply feel that things can be better, we can all benefit from extra support and gain insight from an objective lens. Ongoing responsibilities often prevent our em...Click to read more
Next available: today
Psychotherapist (Virtual)
Encinitas, CA
Accepts Aetna, Cigna, UnitedHealthcare + 7 more
Accepting new patients · Offers video visits ·
Read bio
The provider is an Associate Professional Clinical Counselor and Associate Marriage and Family Therapist and is currently working under the supervision of a licensed practitioner. Their current employer is Healing Hearts Counseling. Let’s be honest—life is weird, people are complicated, and sometim...Click to read more
Next available: Mon, May 4
Psychotherapist
6.5 mi · 6994 El Camino Real, Carlsbad, CA 92009
Accepts Aetna, BlueCross BlueShield, Cigna + 54 more
Also offers video visits · Accepting new patients ·
Read bio
Ms. Jennifer Palmer is a compassionate and reliable psychotherapist. She sees patients for multiple mental health concerns, including depression, anxiety, and hyperactive disorders. Ms. Palmer attended National University, where she earned her master's degree in counseling psychology. She applies h...Click to read more
Next available: Mon, May 25
Psychotherapist
5.00
·3 reviews
Every time I have met with JENNIFER she has helped me heal through my grief and trauma. She is the best! I highly recommend her! by KAClick to read more
8 mi · 317 N El Camino Real, #508, Encinitas, CA 92024
Accepts Aetna, Cigna, UnitedHealthcare + 7 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
The best counselors in San Diego are those that have gone through trials and tribulations- then to survive, overcome, and teach others how to do the same. I grew up as a caretaker for my single mother who suffered from mental health issues. She committed suicide when I was only fifteen after struggl...Click to read more
Next available: Tue, May 5
Psychotherapist (Virtual)
Encinitas, CA
Accepts Aetna, Cigna, UnitedHealthcare + 7 more
Accepting new patients · Offers video visits ·
Read bio
The provider is an Associate Marriage and Family Therapist and is currently working under the supervision of a licensed practitioner. Their current employer is Healing Hearts Counseling. Whether you’re facing life transitions, anxiety, depression, trauma, or other challenges, I offer a supportive a...Click to read more
Next available: Thu, May 7
Psychotherapist (Virtual)
5.00
·2 reviews
Encinitas, CA
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Katherine works with clients from a holistic approach, taking into account all aspects of their lives-social, relational, emotional, mental, physical, cultural, and environmental-that may impact overall wellness. Mindfulness work, attachment-based strategies, cognitive behavioral techniques, and reg...Click to read more
Next available: Mon, May 4
Psychotherapist (Virtual)
4.75
·16 reviews
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
My name is Diane Dameron. I am a licensed marriage and family therapist with a Master’s in Counseling Psychology from Mount Saint Mary’s University. I have experience working in nonprofit community service, group practice, and have spent many years on a military base working with active-duty mili...Click to read more
Next available: Mon, May 4
Psychotherapist (Virtual)
Oceanside, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 19 more
Accepting new patients · Offers video visits ·
Read bio
Victoria Belmonte helps patients across California find steadiness, clarity, and more fulfilling connections in their daily lives. As a Marriage and Family Therapist at LifeStance Health, she supports adolescents, adults, seniors, couples, and families through challenges such as anxiety, depression,...Click to read more
Next available: Mon, May 4
Psychotherapist (Virtual)
5.00
·7 reviews
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
*Note that prior to the first session with the provider, LifeStance will require a credit card on file. *LifeStance providers do not accept Medicare or Medicaid insurance. If booking with these, you will be unable to be seen. *This provider only treats residents residing in the state of Califo...Click to read more
Next available: Wed, May 6
Psychotherapist (Virtual)
4.20
·10 reviews
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
Dusti D. Romans is a Licensed Clinical Social Worker in California who has been practicing since 2013. She holds a Master's in Social Work from the University of Southern California. Change only happens during difficult times. Dusti wants to stand by you through these times while giving you the ski...Click to read more
Next available: Tue, May 5
Psychotherapist
5.00
·2 reviews
9.5 mi · 3609 Ocean Ranch Blvd, Oceanside, CA 92056
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Monica Oropeza is a Licensed Clinical Social Worker in California who has been practicing since 2020. Monica strongly believes in people and their unique strengths and abilities, especially during times of need. She believes that all individuals are capable of change and improvement, and sometimes j...Click to read more
Next available: Tue, May 5
Psychotherapist (Virtual)
Encinitas, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 24 more
Accepting new patients · Offers video visits ·
Read bio
Gina Mendez helps children, teens, adults, and seniors build stability, insight, and resilience when mental health challenges disrupt daily life. She provides compassionate, clinically grounded therapy to individuals and families across California, supporting clients as they navigate complex emotion...Click to read more
Next available: Mon, May 4
Psychotherapist (Virtual)
5.00
·5 reviews
Encinitas, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
*Note that prior to the first session with the provider, LifeStance requires a credit card on file. *LifeStance providers do not accept Medicare or Medicaid insurance. If booking with these, you will be unable to be seen. *This provider only treats residents residing in the state of California. R...Click to read more
Next available: Mon, May 4
Psychotherapist
9.5 mi · 3609 Ocean Ranch Blvd, Oceanside, CA 92056
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Also offers video visits · Accepting new patients ·
Read bio
Stephanie Frigo is a therapist with LifeStance Health who helps children, teens, adults, and seniors across California build resilience, improve emotional well-being, and navigate life's challenges. She provides individual and couples therapy with a personalized approach designed to support lasting ...Click to read more
Next available: Thu, May 7
Psychotherapist (Virtual)
Encinitas, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits ·
Read bio
*Note that prior to the first session with the provider, LifeStance will require a credit card on file. *LifeStance providers do not accept Medicare or Medicaid insurance. If booking with these, you will be unable to be seen. *This provider only treats residents residing in the state of Califo...Click to read more
Next available: Tue, May 5
Psychotherapist (Virtual)
3.67
·3 reviews
It was my first visit so we're still getting to know each other but she was very thoughtful and kind and listened intently, took notes, and already set up goals for us to work on! - Mar 8, 2024 by Sarah B.Click to read more
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
Sharna Miller is a Licensed Clinical Social Worker in California who has been practicing since 2018. She earned her Master’s in Social Work from San Diego State University. Sharna provides a warm, empathic approach focused on building a healthy therapeutic relationship and working together to empowe...Click to read more
Next available: Tue, May 12
Psychotherapist (Virtual)
5.00
·3 reviews
Mar is great, I’m excited to start this journey with her!Click to read more
Oceanside, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Mar Rubio is a Licensed Marriage and Family Therapist in California who has been practicing since 2016. She earned her Bachelor’s degree from the Southern California School of Interpretation in Criminal Justice Administration and holds a Master’s in Counseling Psychology with a specialization in Mar...Click to read more
Next available: Mon, May 11
Psychotherapist (Virtual)
4.80
·5 reviews
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits ·
Read bio
Chanda "Candi" Kizer, LMFT, offers a client-centered and culturally aware approach, guiding clients through their healing journey with empathy, intuition, and extensive experience. Serving patients throughout California, Chanda specializes in individual, couples, and family therapy, ensuring that ea...Click to read more
Next available: Thu, May 14
Psychologist (Virtual)
5.00
·1 review
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 23 more
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Karly Bastrire is a Psychologist in California who has been practicing since 2020. She earned her PsyD from Alliant International University, Fresno Campus. Karly provides evidence-based treatment services to children, adolescents, and adults facing a wide range of challenges such as mood disorders...Click to read more
Next available: Thu, May 14
Psychotherapist
5.00
·1 review
- Jan 10, 2026 by Katherine G.Click to read more
10.5 mi · 120 Birmingham Dr, Encinitas, CA 92007
Accepts Aetna
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Welcome to DBT Pathways! I’m Dr. Sean Harris, and I specialize in Dialectical Behavior Therapy (DBT) for children, teens, transitional age youth (TAY), and families. My goal is to create a safe, non-judgmental space where clients can build resilience, manage distress, and improve emotional well-bei...Click to read more
Next available: Tue, May 5
Psychotherapist (Virtual)
4.87
·30 reviews
Polite engaging,provides hope, kind, listens - Sep 26, 2020 by Christina S.Click to read more
Oceanside, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 27 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
*Note that prior to the first session with the provider, LifeStance will require a credit card on file. *LifeStance providers do not accept Medicare or Medicaid insurance. If booking with these, you will be unable to be seen. *This provider only treats residents residing in the state of California...Click to read more
Next available: Thu, May 14
Psychotherapist
9.5 mi · 3609 Ocean Ranch Blvd, Oceanside, CA 92056
Accepts Aetna, BlueCross BlueShield, Cigna + 25 more
Also offers video visits · Accepting new patients ·
Read bio
Michael Hodson helps individuals and couples across California navigate anxiety, relationship strain, and life’s most challenging transitions with clarity, compassion, and practical tools for change. As a Marriage & Family Therapist with LifeStance Health, he provides individual therapy and couples ...Click to read more
Next available: Thu, May 14
Psychotherapist (Virtual)
5.00
·3 reviews
- Dec 13, 2025 by Paulette G.Click to read more
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 26 more
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ms. Krystin Hunter is an affectionate and empathetic psychotherapist based in San Diego, CA, and an indispensable part of LifeStance Health - California. She earned both her bachelor's degree and her master's degree in Marriage and Family Therapy from Loma Linda University. Ms. Hunter primarily care...Click to read more
Next available: Sun, May 17
Psychotherapist
10.5 mi · 16516 Bernardo Ctr Dr, Ste 330, San Diego, CA 92128
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Also offers video visits · Accepting new patients ·
Read bio
The provider is an Associate Marriage and Family Therapist and is currently working under the supervision of a licensed practitioner. Their current employer is HOPE Therapy Group San Diego. Hello, I’m Elyssa Becerra (she/her), and I am an Associate Marriage and Family Therapist. I approach therapy ...Click to read more
Next available: Tue, May 12
Marriage and Family Therapist
10.5 mi · 16516 Bernardo Ctr Dr, Ste 330, San Diego, CA 92128
Accepts Aetna, BlueCross BlueShield, Cigna + 12 more
Also offers video visits · Accepting new patients ·
Read bio
Hello, I’m Victoria Luna (she/her), and I am an Associate Marriage and Family Therapist (AMFT) at Hope Therapy Group. I enjoy working with adults, couples, and families who may be navigating life transitions, relationship challenges, past trauma, grief and loss, or the emotional impact of stress an...Click to read more
Next available: Tue, May 12
Psychotherapist (Virtual)
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 34 more
Accepting new patients · Offers video visits ·
Read bio
I'm a marriage and family therapist with a Master's degree from The University of Texas at San Antonio. My approach to therapy is to help my clients to the best of my ability, improving their lives with the hope for a better future. My approach I use an eclectic approach, applying any modalities ...Click to read more
Next available: tomorrow
Psychotherapist (Virtual)
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 27 more
Accepting new patients · Offers video visits ·
Read bio
Therapy can be scary. You never know what you'll learn about yourself and your life. I know I was scared when I started... So, congratulations on taking the big first step to becoming the best version of yourself. I specialize in working with individuals navigating life transitions, anxiety, depress...Click to read more
Next available: tomorrow
Psychotherapist (Virtual)
4.56
·9 reviews
Lara is a great listener and offers advice and opinions. I feel heard and respected by her. I highly recommend Lara. - Jul 2, 2025 by Nandita D.Click to read more
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 53 more
Accepting new patients · Offers video visits · Excellent wait time ·
Read bio
I am a licensed MFT who works with individual adult clients seeking positive change in their lives. I earned my Master’s in Marriage and Family Therapy from the University of San Francisco. Trained in Cognitive Behavioral Therapy, I see psychotherapy as an opportunity to make positive changes and sh...Click to read more
Next available: tomorrow
Psychotherapist (Virtual)
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 34 more
Accepting new patients · Offers video visits ·
Read bio
I have been providing multicultural mental health services for the past thirty years. My focus is on helping individuals of all ages achieve inner peace and joy through cognitive-behavioral techniques and psychoanalysis. I am here to equip you with sound therapeutic tools to reach your wellness goal...Click to read more
Next available: tomorrow
Psychotherapist (Virtual)
San Diego, CA
Accepts Aetna, BlueCross BlueShield, Cigna + 56 more
Accepting new patients · Offers video visits ·
Read bio
Hi there, I'm Rachelle! Thank you for considering me as your therapist. My name is Rachelle Cohen, and I am a licensed Marriage and Family Therapist with a Master's in Psychology from John F. Kennedy University. I believe that as a therapist, my job is to work collaboratively with clients to establ...Click to read more
Next available: Sun, May 3
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
Zocdoc is great and so convenient. It always makes my appointments go smoothly as well.
Marta F
Zocdoc saves me so much time I used to spend calling around to find a place that takes my insurance or finding openings with doctors on the list provided by my insurance!
Stephanie W.
I was very pleased with everything about my appt. Super nice staff. Short wait. Another Zocdoc success!
Marielle A
NPR
New York Times
Yahoo
Self
Verge
Wall Street Journal
Frequently asked questions

How can I make a same-day appointment with a Therapist / Counselor in San Marcos?

On average, patients who use Zocdoc can search for a Therapist / Counselor in San Marcos, book an appointment, and see the Therapist / Counselor within 24 hours. Same-day appointments are often available, you can search for real-time availability of Therapists/Counselors in San Marcos who accept your insurance and make an appointment online.


How can I find a San Marcos Therapist / Counselor who takes my insurance?

Zocdoc lets you search specifically for a San Marcos Therapist / Counselor who takes your insurance. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.


How can I book an appointment online with a Therapist / Counselor in San Marcos?

Zocdoc is a free online service that helps patients find Therapists/Counselors in San Marcos and book appointments instantly. You can search for San Marcos Therapists/Counselors by symptom or visit reason. Then, choose your insurance plan. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.


How can I find a female Therapist / Counselor in San Marcos?

When you search for San Marcos Therapists/Counselors on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Therapists/Counselors in San Marcos who match your preferences.


How can I find a San Marcos Therapist / Counselor who sees patients after hours?

On Zocdoc, you can search specifically for San Marcos Therapists/Counselors with availability after 5 p.m.


How can I find a top-rated Therapist / Counselor in San Marcos?

You can use Zocdoc to find Therapists/Counselors in San Marcos who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.


How can I find a video visit with a Therapist / Counselor online in San Marcos?

Therapists/Counselors in San Marcos on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Therapists/Counselors who offer video visits.


Are video visits with a Therapist / Counselor online covered by my insurance?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Therapists/Counselors in San Marcos who accept your insurance for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.


How can I find a Therapist / Counselor in San Marcos who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Therapist / Counselor who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.


How can I find a Therapist / Counselor in San Marcos who sees patients during the weekend?

Zocdoc let's you see real-time availability for Therapists/Counselors in San Marcos. Many Therapists/Counselors offer appointments on Saturdays and Sundays.


Zocdoc›Therapists/Counselors›San Diego, CA›San Marcos, CA