Justin Hahn, DO
Internal Medicine; Primary Care
Johns Hopkins Community Physicians - Montgomery County
14955 Shady Grove Road, Suite 100
Rockville, MD 20850 Directions
4.9 out of 5
412 verified ratings
412 Ratings, 153 Comments
The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.
Sep 16, 2026
Dr Hahn is n amazing addition to JH
Aug 14, 2026
Was able to identify two paths towards wellness with an X-ray being the deciding factor. Glad he ordered it as I'm on the right track
Aug 10, 2026
I like my doctor, he listens and have good character. He smiled when he greets me and my daughter. I always mention him to my friends and family that he's a good doctor.
Aug 5, 2026
Excellent
Aug 5, 2026
Dr. Hahn is an exceptional primary care physician. From my very first visit, I was impressed by his warm thorough approach to care. He never rush through appointments, taking the time to listen to my concerns and explain treatment options in a clear, easy-to-understand way.
Jul 10, 2026
Dr Hahn is exceptional.
Jul 6, 2026
Dr. Hahn is very caring, knowledgeable, and patient. His thorough diagnosis and excellent treatment plans always lead to successful outcomes
Jun 26, 2026
Dr. Hahn always provides great customer service!
Jun 24, 2026
Knowledgeable, engaged, pleasant affect. Asked good questions and gave full responses to my inquiries.
Jun 24, 2026
My provider is extremely professional. He is attentive, thorough, knowledgeable and provides excellent health care services. He takes time to explain issues in depth and the treatment plan he chooses to use.
Jun 23, 2026
Listened well.
Jun 19, 2026
Dr. Hahn is an excellent physician, good listener, knowledgeable. Please take good care of him.
Jun 17, 2026
Provider was very knowledgeable and his diagnosis/physical examination was very thorough.
Jun 16, 2026
The Provider was knowledgeable, informative, inquisitive, patient, professional and personable.
Jun 16, 2026
Very professional and caring
Jun 10, 2026
Dr. Hahn is professional and thorough
Jun 10, 2026
He is knowledgable and cares about his patients.
Jun 10, 2026
I am grateful for Dr. Hahn and glad he orders the lab tests before my visits so I can go over them during my visit. I am a physician and very familiar wiith monitoring my metabolic status and status following a prostatectomy for prostate cancer more than a decade ago
Jun 9, 2026
Dr. Hahn is was thorough, compassionate, and never made me feel rushed during my appointment.
Jun 8, 2026
Dr. Hahn was able to quickly assess my health status.
Jun 3, 2026
He is very good and listen to all my questions and answers without hesitation. He is not in a hurry to end my visit. I already recommended him to my friends and family
Jun 1, 2026
Dr Hahn is an excellent primary care physician. We routinely recommend him to friends in need of a primary care physician. Very knowledgeable. Wonderful bedside manner.
May 27, 2026
Pleased
May 26, 2026
Dr Justin Hahn and the staffs are excellent.
May 26, 2026
He is an excellent doctor and shows care about me
May 26, 2026
Not bad
May 19, 2026
Dr. Hahn listens to me and provides need medical advice. I trust him.
May 18, 2026
My provider is knowledgeable and listens to me. He also has patience and explains conditions In ways I can understand
May 18, 2026
I think Dr. Hahn is a skilled and caring physician.
May 18, 2026
Dr. Hahn was very professional and easy to understand. He asked questions in a manner that was easy to answer and provided guidance for my treatment that worked. He was patient and showed concern for my health and the prescribed treatment.
May 13, 2026
Good provider
May 13, 2026
The visit was an annual wellness assessment. Dr. Hahn was attentive to my questions and prompt in providing results/feedback from bloodwork.
May 12, 2026
Shows interest and respect. He is knowledgeable and shares that knowledge with me.
May 11, 2026
Great provider
May 11, 2026
He is young and very knowledgeable about in his field and very professional clinical manners.
May 8, 2026
This was my first time being seen by Dr. Hahn. It was for a suggested follow-up because of an emergency center visit earlier in the week. He was efficient and professional. No complaints!
May 6, 2026
Well prepared. Proactive. Professional.
May 6, 2026
Dr Hahn is awesome!
May 6, 2026
All tests were given before visit so Dr Hahn discuss results and answer any questions.
May 1, 2026
I appreciated all the time spent to review my chart, the different tests and explain my abnormal EKG and provide follow up to a cardiologist.
Apr 29, 2026
Kind knowledgeable professional
Apr 24, 2026
Outstanding
Apr 22, 2026
Wonderful provider
Apr 20, 2026
I was late because of traffic but was still seen by Dr. Hahn. I very much appreciate being able to be seen.
Apr 17, 2026
Dr. Hahn is an amazing physician. He has great bedside manner, is easy to talk to, listens carefully, and takes complaints seriously. I feel very comfortable working with him for my care.
Apr 15, 2026
Dr Justin Hahn is an excellent doctor. I would certainly recommend him to others
Apr 15, 2026
Very professional, attentive, listening and has right answers and has knowledge
Apr 14, 2026
I am very happy with Dr Hahn as my doctor! He is very thorough, helpful and kind
Apr 14, 2026
Very good
Apr 13, 2026
Dr. Justin Hahn, is very professional, and informative. He explains everything iabout your health in a manner that you can understand.I am extremely lucky to have Dr. Justin Hahn as my Primary Care Physician.