“Very professional, friendly and welcoming! The staff was also friendly , I had a great overall experience.”
Andrei F.August 10, 2025
“Dr Leibu was great, Very knowledge, informative and explanatory. He was able to identify the cause (and remedy) for my visit immediately (where others could not) ”
Orlando T.July 21, 2025
About Dr. Tonel Leibu
Dr. Tonel Leibu is a distinguished internist and primary care physician, board certified by the American Board of Internal Medicine. He practices in Paramus, NJ.
Dr. Leibu completed his medical education at Universitatea de Medicina si Farmacie Grigore T. Popa Facultatea de Medicina. He is an active member of the Medical Society of New Jersey, the American College of Physicians, and the American Medical Association. He is fluent in English, French, Hebrew, and Romanian.
Dr. Leibu's philosophy of practice is to carefully assess possible contributory factors to his patients' current conditions. His clear explanations empower patients to actively participate in their own healing. He takes a practical approach, focusing not only on disease treatment and recovery but also on improving patients' overall quality of life.
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In-network insurances
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Medicare
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200+ more in-network plans
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Sepsis
Upper respiratory Infection (URI)
Chronic diabetes
Chronic high blood pressure
Lower back pain
Sepsis
Upper respiratory Infection (URI)
Chronic diabetes
Chronic high blood pressure
Office location
Dr. Tonel Leibu, MD also offers online video visits for patients
Medical School - Universitatea de Medicina si Farmacie Grigore T. Popa Facultatea de Medicina
Professional memberships
Medical Society of New Jersey
American College of Physicians
American Medical Association
Languages spoken
English
French
Hebrew
Romanian
Provider's gender
Male
NPI number
1649249582
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.79
Wait time
4.44
Bedside manner
4.80
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
318 reviews
Most relevant
Very professional, friendly and welcoming! The staff was also friendly , I had a great overall experience.
August 10, 2025Andrei F.Verified patient
The office staff is so friendly and helpful. Always have answers to questions asked. Always patient. Always reassuring.
October 15, 2024Brenda B.Verified patient
Great provider with good sense of humor. Very thoughtful and professional. Looking forward to seeing him again. ?
October 2, 2024Initials hidden
Old school doctor who believes in treatment of the causes and not the symptoms genuine interest in the patient problems
February 24, 2023Diana A.Verified patient
the doctor puts you at ease very quickly and takes the time to listen to you to diagnose any hidden illness you may have
July 26, 2021Phillippe G.Verified patient
I got there early. Filled out some paperwork. Waited for doctor to see me and then went home. Be back in two weeks
October 12, 2021John G.Verified patient
I have been coming to Dr. Leibu for the passed 12 years. He is very knowlegeble, personable and pleasant. Excellent Dr.
More than 1 year agoFT
Dr. Leibu very professional. He listens closely and shares valuable information. Takes time with patients.
October 29, 2022Migna K.Verified patient
Doctor Leibu was very funny and made me at ease right away, he was also very knowledgeable.
More than 1 year agoNicholas A.Verified patient
He is a very sweet, funny and knowledgeable doctor.
Less than 6 months agoJames C.Verified patient
Always patient. A good listener. Always helpful. Always grateful I went to see him.
September 17, 2024Brenda B.Verified patient
Great Doctor, listens to your concerns. Office staff is friendly and polite. Highly recommend.
August 8, 2023Initials hidden
Dr. Leibu is very detailed oriented, he takes his time to listen his patients. I highly recommend him.
More than 1 year agoAlicia P.Verified patient
Smart internal medicine physician. I’m looking forward to improving my health with his guidance.
February 21, 2022Oleg R.Verified patient
Dr. Leibu was great and so was the staff. Looking forward to my next appointment.
More than 1 year agoInitials hidden
do not go to this doctor - terrible bedside manner and does not listen well.
More than 1 year agoInitials hidden
Very courteous and easy to deal with. Definitely would recommend dr Tonel
May 3, 2023Joseph T.Verified patient
My appointment timed with the doctor was satisfactory.
More than 1 year agoInitials hidden
Great doctor!! Very attentive and personable. Makes you feel comfortable.
April 18, 2022Joseph T.Verified patient
Nice and knowledgeable doc. Friendly and organized receptionist.
August 3, 2023Dalainy A.Verified patient
Dr leibu is very courteous and makes you feel comfortable.
January 19, 2024Joseph T.Verified patient
He was pretty warm and made me comfortable enough to share my issues.
December 23, 2020Ashish S.Verified patient
Dr. Leibu is a great listener. I always enjoy coming to visit him
Really great doctor! Very knowledgeable and funny.
June 8, 2023Vanessa M.Verified patient
Friendly staff and I was seen exactly when I was scheduled.
January 11, 2021Adam C.Verified patient
Fantastic service!!! I found my new primary Physician
September 29, 2022Joseph F.Verified patient
Dr Leibu was great, Very knowledge, informative and explanatory. He was able to identify the cause (and remedy) for my visit immediately (where others could not)
July 21, 2025Orlando T.Verified patient
I had a great experience at Dr. Leibu's office. Dr. was professional, thorough, understanding and friendly. He also has a well developed sense of humor and that makes the experience more pleasant. The staff from the desk were very friendly and helped out with my requests. I recommend this office.
May 24, 2025Andrei F.Verified patient
Excellent
January 16, 2025MARTINIAN M.Verified patient
The wait time is long. I waited for at least 45 minutes before calling into the doctor's office. The receptionist explained to me that there're some emergencies that day so hopefully the wait time will be reasonable during my next visit. Except the wait time, Doctor Leibu is excellent and funny. His way of communication made me feel ease and comfortable. And he is very very knowledgable and experienced. As i mentioned my prescription history, he could provide answers and advices immediately. Much much better than my previous primary physician. Would come back next year for annual physical exam.
December 24, 2024Yingyuan X.Verified patient
Extraordinary! I told him he had such a kind disposition. So easy to speak with and understand. So glad he’s my new doctor! Good decision! I would highly recommend him!
July 18, 2024Brenda B.Verified patient
What stood out the professionalism of the doctor and the secretary
are very nice and professional, I truly
recommend know doubt about it.
Thank you..,.
July 11, 2024Rosa L.Verified patient
Happy with my experience. Will be back
July 3, 2024Erik L.Verified patient
He was a wonderful doctor, as well as the assistant, the secretaries were also helpful, I highly recommend him, he explains everything in detail and is pretty funny too, he makes you feel at ease...
May 20, 2024Steph P.Verified patient
Great office!!
March 26, 2024Kevin M.Verified patient
My first visit was a pleasure! So much better than these Hospital "Health Systems"!
1) You don't have to wait 1/2 hour for someone to answer the phone while being forced to hear about all the awards the have won just to make an appointment.
2) You don't have to wait 21/2 months for your appointment!
3) Dr. and staff were very friendly, intelligent, knowledgeable and very good listeners.
A pleasure!
January 31, 2024Stephen W.Verified patient
Everyone was Super friendly and made me feel comfortable talking about my health issues. Very welcoming environment and thorough check up!
January 19, 2024Zoe L.Verified patient
Full of kindness , professionalism
January 9, 2024Edy C.Verified patient
Recommend to all of you. Very professional
October 19, 2023Lucas V.Verified patient
Exceptional Doctor and Staff.
October 12, 2023Alicia O.Verified patient
Excelente
October 6, 2023Ronny G.Verified patient
Dr Tonel is not an alarmist. He is busy. Very kind demeanor. Some of my concerns were not given the concern I would hope for. That being said I felt comfortable with him and at ease. Genuinely someone that I felt happy to see as my PCP.
The front desk is friendly and sweet.
September 3, 2023Amy O.Verified patient
AMAZING DOCTOR AND STAFF??
August 30, 2023Alicia O.Verified patient
Highly recommend!
July 24, 2023Brigitta T.Verified patient
Great doctor great guy
February 1, 2023Initials hidden
smooth and trouble free.
November 30, 2022Initials hidden
Great office staff, short wait. Great doctor.
November 21, 2022Lukasz Z.Verified patient
This past Monday I saw and met this doctor for the first time. After my visit was done, he felt like my very good friend. Cannot speak more highly of him!
November 15, 2022Kelsey C.Verified patient
Doctor brought up inappropriate and uncomfortable conversations that did not have to do with the actual checkup. I would not go back again.
More than 1 year agoInitials hidden
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Frequently asked questions
How soon can I make an appointment with Dr. Tonel Leibu?
Generally, Dr. Tonel Leibu has appointments available on Zocdoc within 1 week. You can see Dr. Leibu's earliest availability on Zocdoc and make an appointment online.
Dr. Tonel Leibu has 2 office locations in Paramus, view full addresses on Dr. Leibu's profile.
Which board certifications does Dr. Tonel Leibu have?
Dr. Tonel Leibu is certified by American Board of Internal Medicine.
What are common reasons for patients to see Dr. Tonel Leibu?
Dr. Tonel Leibu frequently sees patients for Allergy Consultation, Annual Physical, Arthritis, Chiropractic Consultation, and Illness. You can see other visit reasons for Dr. Tonel Leibu on their profile.
318 patients have reviewed Dr. Tonel Leibu. The overall rating for this doctor is 4.79/5. They have a 4.8/5 rating for bedside manner and a 4.44/5 rating for wait time. You can read individual reviews and ratings on their profile.