Dr. Dayoung Ko, MD

Dr. Dayoung Ko, MD

Dermatologist
555 Knowles Dr, Ste 220, Los Gatos, CA
4.00
“Overall it went very well with the doctor and staff there. Very helpful and friendly with everyone. I would highly recommend her to anyone who needs Dermatology needs.”
Barbara G.October 6, 2025
Excellent wait time
100% of patients waited less than 30 minutes
New patient appointments
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Available appointments

What patients are saying

Overall rating

4.00

Average wait time

5.00

Bedside manner

5.00
“Overall it went very well with the doctor and staff there. Very helpful and friendly with everyone. I would highly recommend her to anyone who needs Dermatology needs.”
Barbara G.October 6, 2025

About Dr. Dayoung Ko

Dayoung Ko, MD is a board-certified dermatologist who loves helping patients feel confident in their skin. She earned her undergraduate degree in Biology and Psychology from Duke University, graduating with distinction, and went on to complete her medical degree at Duke as well. After her intern year in Internal Medicine at Lenox Hill Hospital in New York City, she completed her Dermatology residency at Henry Ford Hospital in Detroit. Dr. Ko provides comprehensive dermatologic care, treating conditions such as acne, eczema, and psoriasis, and performing skin cancer screenings and surgeries. She is also highly skilled in aesthetic dermatology, offering Botox and other neurotoxins for fine lines, wrinkles, and hyperhidrosis; dermal fillers for volume restoration and contouring; and skin rejuvenation with lasers and chemical peels. She takes pride in creating personalized treatment plans that reflect each patient’s skin type, background, and individual beauty goals. Outside the office, Dr. Ko enjoys fashion, interior design, and traveling. She is also learning to golf with her husband and can often be found at the dog park with their mini goldendoodle, Astor.

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In-network insurances

99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Medicare
UnitedHealthcare
200+ more in-network plans

Popular visit reasons

Acne
Allergy Consultation
Annual Skin Screening
Autoimmune Skin Disease
Dermatology Consultation
Pityriasis Rosea
Rash
Sexually Transmitted Infection (STI)
Acne
Allergy Consultation
Annual Skin Screening
Autoimmune Skin Disease

Office locations

Golden State Dermatology Los Gatos (1 of 2)
555 Knowles Dr, Ste 220, Los Gatos, CA 95032
Golden State Dermatology Mountain View (2 of 2)
2490 Hospital Dr, Ste 201, Mountain View, CA 94040
1 of 2

Education and background

Practice names

Board certifications

  • American Board of Dermatology

Education and training

  • Medical School - Duke University, Doctor of Medicine
  • Duke University (Bachelor's)
  • Lenox Hill Hospital, Internship in Internal Medicine
  • Henry Ford Hospital, Residency in Dermatology

Languages spoken

  • English

Provider's gender

Female

NPI number

1336601822

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.00
Wait time
5.00
Bedside manner
5.00
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2 reviews
Most relevant
Overall it went very well with the doctor and staff there. Very helpful and friendly with everyone. I would highly recommend her to anyone who needs Dermatology needs.
Verified patient
Frequently asked questions

How soon can I make an appointment with Dr. Dayoung Ko?

Generally, Dr. Dayoung Ko has appointments available on Zocdoc within 1 week. You can see Dr. Ko's earliest availability on Zocdoc and make an appointment online.

Is Dr. Dayoung Ko accepting new patients?

Dr. Dayoung Ko generally accepts new patients on Zocdoc. You can see Dr. Ko's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Dayoung Ko accept my insurance?

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Can I make an appointment with Dr. Dayoung Ko online?

Yes, you can make an appointment online with Dr. Ko using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Dayoung Ko work with?

Where is Dr. Dayoung Ko's office located?

Dr. Dayoung Ko has 2 office locations, including in Mountain View and Los Gatos, view full addresses on Dr. Ko's profile.

Which board certifications does Dr. Dayoung Ko have?

Dr. Dayoung Ko is certified by American Board of Dermatology.

What are common reasons for patients to see Dr. Dayoung Ko?

Dr. Dayoung Ko frequently sees patients for Acne, Allergy Consultation, Annual Skin Screening, Dermatology Consultation, and Sexually Transmitted Infection (STI). You can see other visit reasons for Dr. Dayoung Ko on their profile.

What languages does Dr. Dayoung Ko speak?

Dr. Dayoung Ko speaks English.

How do patients rate Dr. Dayoung Ko in reviews?

2 patients have reviewed Dr. Dayoung Ko. The overall rating for this doctor is 4/5. They have a 5/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.

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