Highlights
Age Groups Seen
- Adult 18-65
- Older Adult >65
Languages
- English
Gender
MaleHospital Affiliations
- Nuvance Health - Vassar Brothers Medical Center
About Mark A. Harrison
Professional Statement
Dr. Mark Harrison is the managing physician of the Hudson Valley Heart Center and chief of cardiology at Vassar Brothers Medical Center. A board-certified non-invasive cardiologist, he attended medical school at the Icahn School of Medicine at Mount Sinai in New York. He completed an internal medicine residency at The University of Pennsylvania and a fellowship at Mount Sinai.
His areas of interest include cardiovascular disease prevention, hypertension, cardiac rhythm disorders, nutrition, wellness and risk-factor modification.
Expertise
Education
- Fellowship: Mount Sinai Hospital and Medical Center, Cardiology, 2011
- Residency: Hospital of the University of Pennsylvania, Internal Medicine, 2008
- Medical School: Mount Sinai Medical Center, 2005
Board Certifications
- Cardiovascular Disease: American Board of Internal Medicine
Locations
- The Heart Center, a division of Hudson Valley Cardiovascular Practice, P.C. Poughkeepsie (Delafield St.)
- 115 Delafield Street, Poughkeepsie, NY 12601
- Get Directions
- phone: 845-790-2020
- fax: 845-790-2021
- The Heart Center, a division of Hudson Valley Cardiovascular Practice, P.C. Poughkeepsie (Columbia St. Suite 200)
- 1 Columbia Street, Poughkeepsie, NY 12601
- Get Directions
- phone: 845-473-1188
- fax: 845-486-0162
- The Heart Center, a division of Hudson Valley Cardiovascular Practice, P.C. Rhinebeck
- 6511 Spring Brook Avenue, Suite 1006, Rhinebeck, NY 12572
- Get Directions
- phone: 845-876-0508
- fax: 845-876-0405
- The Heart Center, a division of Hudson Valley Cardiovascular Practice, P.C. Fishkill
- 60 Merritt Boulevard, Suite 200, Fishkill, NY 12524
- Get Directions
- phone: 845-897-9760
- fax: 845-896-3602
- The Heart Center, a division of Hudson Valley Cardiovascular Practice, P.C. Sharon
- 50 Hospital Hill Road, Sharon, CT 06069
- Get Directions
- phone: 860-364-4505
- fax: 860-364-4506
Insurance
- Aetna
- Capital District Physicians' Health Plan
- Centivo
- Cigna
- Coventry-Aetna
- Elderplan
- Emblem Health
- EmblemHealth
- Empire BlueCross Blue Shield
- Empire Health Plan
- Empire Plan
- Fidelis Care
- Hamaspik
- MagnaCare
- Medicaid Connecticut
- Medicaid New York
- Medicare New York
- Medicare Railroad
- Multiplan Inc
- MVP Health Care
- Northwell Direct
- Oxford Health Plans
- Tricare Humana Military
- United Healthcare
- Wellcare
Ratings & Reviews
4.8 out of 5
564 ratings, 12 reviewsProvider star ratings are calculated using patient responses to the provider care questions in our patient experience survey. Below you can see the provider’s star rating and the number of his or her patients who have provided feedback. Ratings depicted represent those clinicians that have at least 30 completed surveys on a rolling 12 month basis.
- 5 out of 5 starsReviewed on 12/15/2025
Professional, personable, knowledgable, easy to talk to. I’d rate him a 10 out of 10. Outstanding cardiologist
- 5 out of 5 starsReviewed on 12/11/2025
He’s always positive and brings that to his patients as well! Megan his nurse is great too! Dr Harrison is head of dept but he hasn’t changed!!! He’s the BEST!!!
- 5 out of 5 starsReviewed on 12/4/2025
Dr.Mark Harrison is a good, caring doctor that handles my health issues with total professional responsibility. He is friendly and easy to discuss things with.
- 5 out of 5 starsReviewed on 7/31/2025
Always answers questions about my concerns.
- 5 out of 5 starsReviewed on 7/15/2025
Always have good service from Dr. and staff
- 5 out of 5 starsReviewed on 7/9/2025
He’s the best. Always listens to what I have to say. Polite , caring, intelligent and respectful. I can’t say enough about what a great physician and person he is.
- 5 out of 5 starsReviewed on 6/30/2025
Very happy to meet Dr. Harrison, and confident he will provide excellent care.
- 5 out of 5 starsReviewed on 6/14/2025
Dr. Harrison is a very good doctor. He is precise, knowledgeable & very caring. I can't say enough good things about Dr. Harrison. He is amazing.
- 5 out of 5 starsReviewed on 6/2/2025
I appreciated how Dr. Harrison not only gave me his undivided attention but also he gave me the time to explain what I was there for.
- 5 out of 5 starsReviewed on 3/31/2025
Dr Harrison has always been courteous, professional and answered any questions or concerns I had
- 5 out of 5 starsReviewed on 3/27/2025
Very informative
- 5 out of 5 starsReviewed on 3/13/2025
Very professional and supportive of my needs.