What patients are saying
Overall rating
4.89
Average wait time
4.88
Bedside manner
4.91
“Dr Ota is everything you want in a physician. He's professional, kind, and thorough without being histrionic. He listens well and knows his stuff.
I have a complicated medical situation and a history of somewhat sneaky skin cancers. When my long time trusted dermatologist retired, I was nervous about seeing another provider. And I couldn't be happier to be Dr. Ota's patient. ”
Erika P.March 20, 2026
“Mr. Ota was kind and professional. He made me feel comfortable and took the time to attend to my concerns. He was very much a doctor with a great bedside manner and I would definitely recommend him to others. ”
Brenda P.March 5, 2026
About Dr. Koji Ota
Dr Ota has additional days and appointment times available. Please call the office for details. 301 652 8081
Dr. Koji Ota is a board-certified dermatologist who emphasizes a holistic approach to patient care. Patients can expect a thorough consultation, with ample time for questions, leaving the office confident in their treatment plans. He has expertise in medical and surgical dermatology and treats a wide range of skin, hair, and nail disorders, such as acne, rosacea, and psoriasis, and has a special interest in skin cancer detection and treatment. Dr. Ota also has advanced training in dermoscopic evaluation of moles and melanoma and completed a dermatology research fellowship at Weill Cornell Medical College, focusing on melanocyte biology.
Dr. Ota completed a dual-specialty dermatology and internal medicine residency at MedStar Washington Hospital Center/Georgetown University Hospital, where he served as chief resident in his final year. Through his residency training, he has extensive experience treating complex dermatologic disorders in adult patients as well as pediatric patients at Children’s National Hospital National Medical Center. He graduated from the State University of New York Downstate College of Medicine and earned a Bachelor of Science degree with honors from New York University Stern School of Business.
Dr. Ota is a published author in several medical peer-reviewed journals, and he holds membership to the American Academy of Dermatology and the American Society of Dermatologic Surgery.
Online bookings are requests only. The office will then call to confirm your appointment.
**NOTE: Your appointment isn't fully booked until we connect by phone to confirm.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Emblem Health
Medicare
UnitedHealthcare
UnitedHealthcare Oxford
Office location
Dermatologic Surgery Center of Washington
5530 Wisconsin Ave, Ste 820, Chevy Chase, MD 20815
Education and background
Practice names
Board certifications
- American Board of Dermatology
Education and training
- Medical School - State University of New York, Doctor of Medicine
- Weill Cornell Medical College, Fellowship in Dermatology
- NYU Stern School of Business (Bachelor's)
- MedStar Washington Hospital Center, Residency in Dermatology
Languages spoken
- English
- Vietnamese
- Japanese
Provider's gender
Male
NPI number
1972091866
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.89
Wait time
4.88
Bedside manner
4.91
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
403 reviews
Most relevant
I enjoyed my visit at this office. The doctor and everyone I interacted with was nice and friendly! I highly recommend it!
October 16, 2025Tyler C.Verified patient
Dr. Ota has is the kind of doctor you’ll be at ease with… he has a pleasant demeanor, listens thoroughly and explains well.
Less than 1 year agoInitials hidden
Thorough, outstanding focus on detail, answered all my questions and very compassionate
March 28, 2026Jerry P.Verified patient
Dr. Ota took time to answer all my questions and explain what needed to be done. I felt very confident in his care.
May 13, 2025Francoise S.Verified patient
The visit went very well. Now, I am waiting for the results of what the doctor prescribed. More soon.
October 27, 2025Vincent T.Verified patient
I had a great experience with Dr. Ota, he was very attentive & also a wealth of knowledge! I’m so glad I found this office.
January 16, 2025Hannah J.Verified patient
The entire visit was smooth and efficient. The staff are very friendly and the doctor is on time and polite.
March 19, 2025Zicheng Z.Verified patient
Excellent overall experience. The Dr was most knowledgeable and had great bedside manner.
October 22, 2025Jan A.Verified patient
Best visit to a dermatologist in my life. Personable, thorough, listened, and explained things well.
June 25, 2025Kevin O.Verified patient
Dr. Ota was great and very knowledgeable after evaluating me he had a plan put together right away for my treatment.
September 27, 2024Initials hidden
Dr Ota is an exceptionally professional and skilled practitioner. Excellent care!
December 12, 2025Wayne H.Verified patient
Provider demostrated knowlegde , excelente manera abd professionalism
March 4, 2026Pilar N.Verified patient
Excellent experience, Dr and assistant were very friendly and precise. Will recommend the practice.
May 5, 2025Robert R.Verified patient
The doctor was very polite and professional, listened to your issues and addressed them very clearly.
March 21, 2025Ramesh S.Verified patient
Dr. Ota was thoughtful and thorough. I would highly recommend him and this practice!
Less than 6 months agoInitials hidden
No waiting time. Friendly staff, the doctor communicated very clearly and was proactive.
June 25, 2025Eleonor R.Verified patient
Dr. It’s and his staff were amazing. Super friendly and kind. Office was efficient and wonderful also
September 26, 2024Shawn F.Verified patient
Gave me a clear understanding of my case and provided instructions for what i needed to do
April 18, 2025Devin W.Verified patient
Very thorough friendly explained each step . I would give a very high rating.
September 12, 2025Harley B.Verified patient
All positive. Yes I have made my next visit appointment.
March 12, 2026Mehran S.Verified patient
I am satisfied with the service and of course I recommend it to family and friends.
April 7, 2025Birtukan G.Verified patient
Dr. Ota is great. I can highly recommend this practice.
January 9, 2026Jennifer T.Verified patient
Dr. Ota was great and provided answers to all my questions!
November 21, 2025Initials hidden
This first time at this office and the whole experience was PHENOMENAL!!!!!!!
May 4, 2025Alice T.Verified patient
Office was clean and the staff was friendly. Super professional environment and doctors.
October 12, 2024Olukayode F.Verified patient
Great bedside manner! Was thorough and articulated a plan to address my skin needs.
January 3, 2025Initials hidden
Nice office, friendly staff, knowledgeable doctor, efficient appointment!
May 5, 2025Graham U.Verified patient
I’m so much better thanks to him. I can be a girlie girl again lol.
June 27, 2025Christina H.Verified patient
Super attentive and provided great treatment options.
August 13, 2025Zachary M.Verified patient
Great practice! Doctor was very thorough and efficient!
May 8, 2025Sanjhae P.Verified patient
Would return. Had an excellent experience from the moment I arrived.
October 2, 2024Adam H.Verified patient
Good, thorough professional appointment. Thank you.
December 23, 2024Brian H.Verified patient
View nice office. Great Staff. The doctor was great!
November 25, 2024Akua F.Verified patient
They were very professional and a well oiled machine.
November 13, 2024Nathan B.Verified patient
Dr Ota is everything you want in a physician. He's professional, kind, and thorough without being histrionic. He listens well and knows his stuff.
I have a complicated medical situation and a history of somewhat sneaky skin cancers. When my long time trusted dermatologist retired, I was nervous about seeing another provider. And I couldn't be happier to be Dr. Ota's patient.
March 20, 2026Erika P.Verified patient
Excellent
March 11, 2026Renee L.Verified patient
Mr. Ota was kind and professional. He made me feel comfortable and took the time to attend to my concerns. He was very much a doctor with a great bedside manner and I would definitely recommend him to others.
March 5, 2026Brenda P.Verified patient
Very friendly, the appointment was quick but not rushed, and I felt like both Dr. Ota and his assistant were engaged, listening to me, and communicating well.
March 3, 2026Julia K.Verified patient
Very helpful and kind.
Less than 3 months agoInitials hidden
The staff were very friendly and the office was inviting. I was able to be seen in a timely manner and would make this my regular dermatologist.
January 19, 2026Rayeshawn S.Verified patient
My first appointment with Dr. Ota went very well. I am pleased to have found in him a doctor who is a good listener, polite, easy to talk, clearly knowledgeable and inspires confidence.
His staff is friendly, courteous and professional.
The office looks well run and clean.
All in all, for this visit, 5 stars are well deserved.
December 17, 2025Phi F.Verified patient
Would highly recommend Dr Ota. Office staff friendly. Dr has great bedside manner, patient and took his time to understand my health concerns
December 8, 2025Kathy M.Verified patient
The doctor splendid very good my problem
November 29, 2025Jose G.Verified patient
What i was saying and what he was hearing were not the same thing. Therefore, not hopeful that my issue is any closer to resolution than pre-appointment.
Less than 6 months agoInitials hidden
Thorough.
November 25, 2025Melinda J.Verified patient
Excellent care.
November 17, 2025Jose Antonio M.Verified patient
Dr. Koji Ota is extremely knowledgable and has great bedside manner. He's very friendly, responded to all of my questions, and the bonus is that his recommendations for my hair loss issues have been working very effectively. I highly recommend him.
November 6, 2025Jeannie C.Verified patient
Dr. Ota is truly a gift. He has been incredibly patient and compassionate with my 93-year-old father, taking the time to listen and never rushing through an appointment. His gentle, nurturing manner and genuine care have made such a difference for our family.
Every visit to his office has been a positive experience — the entire staff is thoughtful, kind, and attentive. What began as an appointment for my father quickly turned into something more; I am now a patient myself, and soon my nephew will be joining us as well.
It’s rare these days to find a doctor with such wonderful bedside manners and true compassion for his patients. We are so grateful for Dr. Ota and his team — they’ve earned our trust and heartfelt appreciation.
October 28, 2025Kam Hung Peter L.Verified patient
The office staff was very friendly and easy-going, and the doctor was knowledgeable and a good communicator. I liked that his assistant took thorough notes as he was talking and gave them to me, so that I neither had to take notes nor try to remember all that was said.
October 22, 2025Amy S.Verified patient
Dr Ota is patient oriented, listens well, explains well and functions expertly. This particular appointment involved a biopsy and he was very solicitous regarding discomfort/pain and very clear about post-biopsy procedures. I will continue to use him for my dermatology needs.
Less than 6 months agoPaul D.Verified patient
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How soon can I make an appointment with Dr. Koji Ota?
Generally, Dr. Koji Ota has appointments available on Zocdoc within 1 week. You can see Dr. Ota's earliest availability on Zocdoc and make an appointment online.
Is Dr. Koji Ota accepting new patients?
Dr. Koji Ota generally accepts new patients on Zocdoc. You can see Dr. Ota's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Koji Ota accept my insurance?
Choose your insurance plan to verify if Dr. Ota is in-network.
Can I make an appointment with Dr. Koji Ota online?
Yes, you can make an appointment online with Dr. Ota using Zocdoc. It’s simple, secure, and free.
What practice does Dr. Koji Ota work with?
Where is Dr. Koji Ota's office located?
Dr. Koji Ota's office is located at 5530 Wisconsin Ave, Chevy Chase, MD 20815.
Which board certifications does Dr. Koji Ota have?
Dr. Koji Ota is certified by American Board of Dermatology.
What are common reasons for patients to see Dr. Koji Ota?
Dr. Koji Ota frequently sees patients for Acne, Allergy Consultation, Annual Skin Screening, Dermatology Consultation, and Hair Loss. You can see other visit reasons for Dr. Koji Ota on their profile.
What languages does Dr. Koji Ota speak?
Dr. Koji Ota speaks English, Vietnamese, and Japanese.
How do patients rate Dr. Koji Ota in reviews?
403 patients have reviewed Dr. Koji Ota. The overall rating for this doctor is 4.89/5. They have a 4.91/5 rating for bedside manner and a 4.88/5 rating for wait time. You can read individual reviews and ratings on their profile.