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Are you a top doctor or health service?
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Are you a top doctor or health service?

Alexander S. Isaac, MD
Psychiatrist906 Pennsylvania Ave SE, Washington, DC4.90
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.90
Wait time
4.84
Bedside manner
4.90
Insurances accepted
This office is not in-network with any insurances
It's common for mental health providers to be out-of-network. Many plans offer out-of-network coverage, so you may get partially reimbursed. Learn more
Book an appointment for freeThe office partners with Zocdoc to schedule appointments
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Available appointments
All provider availability
Alexander S. Isaac, MD
906 Pennsylvania Ave SE, Washington, DC 20003
All provider availabilityToday, Apr 23 – Wed, May 6
Insurances accepted
This office is not in-network with any insurances
It's common for mental health providers to be out-of-network. Many plans offer out-of-network coverage, so you may get partially reimbursed. Learn more
1 office location
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Alexander S. Isaac, MD
NEW PATIENTS please schedule a PSYCHIATRY CONSULTATION (90 minutes). Please review registration document for details.
RETURNING PATIENTS please schedule MEDICATION REVIEW (30 minutes) or Psychotherpy (50 minutes).
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.90
Wait time
4.84
Bedside manner
4.90
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
1377 reviews
Most relevant
Professional and congenial in all respects. I’ve been with dr. Isaac for almost 20 years. I would highly recommend him.
June 10, 2023Richaed M.Verified patient
He is a very good doctor. He is moving and I am following him to his new address because I appreciate his excellent service.
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Great doctor. I've been to a few psychiatrists in the DC area, and Dr. Isaac had been the best by far. Highly recommend.
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Dr. Isaac is an excellent listener, challenging in the very best way, extremely interesting and highly intelligent.
June 15, 2021Ken C.Verified patient
Dr. Issac was thorough, personable, and very empathic, One of the best experiences I've had with a doctor in a while.
April 26, 2018Initials hidden
Dr. Isaac offers a great balance of medical explanation with personalized advice on your psych. Very easy to talk to
January 22, 2021Christian M.Verified patient
If you just need meds, he's fine. If you're looking for someone who actually cares about you, probably not your guy.
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Dr. Issac is very good and very smart. He has helped me immensely in my career and personal life.
June 5, 2024Wyatt E.Verified patient
Dr Isaac is always understanding and easy to talk to. He’s a great psychiatrist
April 24, 2025James C.Verified patient
He has every right I can tell to be a snob and he is not. He's candid, frank, and frankly, the best I've ever seen.
April 19, 2012Initials hidden
Great initial consultation -- he asked good questions and we made a helpful plan for my anxiety. Would recommend!
February 9, 2021Initials hidden
Dr. Isaac is so professional and easy to talk to! He has been extremely helpful and I would highly recommend him.
Paris P.Verified patient
Good sense of humor, was very knowledgeable, and stayed a little longer to answer my questions. Would recommend.
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One of the most arrogant and disrespectful doctors I have ever dealt with. I would not recommend him to anyone.
December 17, 2020Brad Y.Verified patient
Dr Isasc, makes me stop and think Just wish I was 30 years younger as I think he could truly change my life.
August 1, 2014Initials hidden
Dr. Isaac is so cool and down to earth. It is so easy to talk to him because he’s just like a regular guy.
February 17, 2022Chante K.Verified patient
Yes I found the Dr Isaac, helpful and pleasant I look forward to his help and getting me on the right track
July 20, 2014Initials hidden
Dr Isaac has always been a practical and helpful therapist. Refreshingly open and articulate in his advice.
Bob M.Verified patient
He was outstanding. He listened well and kept good control over the apppointment. I learned much from him.
April 12, 2013Initials hidden
Dr. Isaac really works with you to design a treatment plan that best fits your needs and indivual symptoms.
March 2, 2012Initials hidden
leaving stars rating him is ridiculous . he is an excellent physician and psychiatrist. not an uber driver
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Excellent doctor, clearly spends my of his own personal time caring for his patients. Highly recommended.
February 13, 2020Initials hidden
Great bedside manner. Prompt appointment time. Easy to talk with.
April 8, 2025Susan A.Verified patient
I would give Dr Isaac 10 stars I feel so fortunate to have him as my doctor
October 18, 2024Sylvia N.Verified patient
Dr Isaac is the easiest and most knowledgeable person to talk with
January 27, 2025Sylvia N.Verified patient
Dr. Isaac is one of the best doctors I know. He has helped me through the darkest times in my life!
June 27, 2013Initials hidden
Very compassionate, caring and positive. He calmed me down and helped focus on a lan for action.
June 13, 2016Initials hidden
I walk into his office feeling burdened and walk out feeling relieved. He never misses.
April 25, 2023John B.Verified patient
It is always a pleasure to meet with Dr. Isaac. I leave his office feeling focused and organized.
August 7, 2014Initials hidden
He is an excellent doctor - a great therapist; highly intelligent, insightful, and informed.
May 30, 2017Initials hidden
Good diagnostic skills with difficult situation. Good is pointing patient to helpful measures.
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Amazingly Awesome, I always feel really good about the visit, My mind is always more clear.
July 20, 2013Initials hidden
Dr. Isaac, is one of a kind. I always get the insight I need, when I am at a crossroads.
August 9, 2020Initials hidden
He is very knowledgeable and offers helpful guidance as he helps you to understand issues.
October 13, 2011Initials hidden
Love this guy. Highly recommended, if you don’t mind sarcasm and no-nonsense attitude.
Jessica L.Verified patient
Extremely helpful and insightful; well worth the higher going rate. Highly recommended!
March 7, 2013Initials hidden
Dr. Isaac was great. Very personable and made me feel comfortable chatting with him.
June 16, 2014Initials hidden
Good guy. Easy to talk to and deal with. Cares about his patients. Would recommend.
May 17, 2019David F.Verified patient
Unprofessional. Kept me waiting an hour. Rude and poor social skills and empathy.
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Great psychiatrist, always consistent with exceptional advice and knowledge.
December 16, 2021Michele D.Verified patient
Intelligent and insightful. He is an excellent listener and great to work with.
August 12, 2014Initials hidden
Initial appointment- left feeling very good! Tool his time and really listened.
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Dr. Isaac is a very competent professional. I highly recommend his services.
August 12, 2016Initials hidden
Excellent. Very insightful with a great sense of humor. Highly recommended.
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Dr. Isaac immediately earned my trust and I look forward to working with him.
April 30, 2014Initials hidden
Very professional, thoughtful, insightful, collaborative - highly recommended
December 17, 2011Initials hidden
Dr. Isaac is personable, very smart, and he listened.
Highly recommended!
January 7, 2020Initials hidden
Great provider with caring approach to patient care! Highly recommend!
June 23, 2022Michele M.Verified patient
I like doctor Isaac - he's thoughtful and engaging and offers good insight.
November 14, 2016Initials hidden
Dr. Isaac is an insightful, thoughtful, perspicacious therapist and mentor.
August 12, 2016Initials hidden
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