Joseph Mermelstein, MD
Joseph Mermelstein, MD is a Gastroenterologist practice in Harrison, NY. Rated 4.9 from 100 public reviews. Phone and website are listed.
Address
600 Mamaroneck Ave #200, Harrison, NY 10528
Harrison, NY 10528
Phone
(914) 723-8100Website
Visit listed websiteListing updates
Request a correction or opt-outListed hours
- Monday
- 8AM–4:30PM
- Tuesday
- 8AM–4:30PM
- Wednesday
- 8AM–4:30PM
- Thursday
- 8AM–4:30PM
- Friday
- 8AM–4:30PM
- Saturday
- Closed
- Sunday
- Closed
Credentials, affiliations, and coverage
Sources
- google-maps-octoparse · checked Aug 30, 2026
- google-maps-octoparse-cloud-recovery · checked Aug 12, 2026
Federal data is attributed to its source and does not imply CMS endorsement.
Newest photos
Newest reviews
Anne Murphy
No written review was provided.
Allan Karan
Office visit was polite and professional
Savio Tung
I was late to the appointment but Dr. Joseph was accommodating. Good advice and manner. Thank you.
Bolivar Urena
No written review was provided.
mary morris
My first visit with Dr. Mermelstein ,and I was very impressed. He listened to my symptoms and implemented a care plan and scheduled the test I would need to a final diagnosis. I let feeling relief.
james white
No written review was provided.
EldoggNY
No written review was provided.
Carole Sindell
No written review was provided.
Paul Francis
My appointment was on time, the staff were courteous and kind, the Nurse was professional and very knowledgeable, and the Doctor explained everything in reassuring detail. I would happily recommend Dr. Marmelstein to family and friends.
Eva Reilly
I feel very comfortable with the doctor. I believe he really cares about my issues. He listens to me and tries his best to help me figure out what is causing my issues. I'm very comfortable with him.
