| Monday | 6:30 AM - 6:00 PM |
| Tuesday | 6:30 AM - 6:00 PM |
| Wednesday | 6:30 AM - 6:00 PM |
| Thursday | 6:30 AM - 6:00 PM |
| Friday | 6:30 AM - 5:00 PM |
| Saturday | Closed |
| Sunday | Closed |
Francis J. O'Brien, MD, Facp, Facc
Specialty
Cardiovascular Disease
Languages
English
Seeing patients at
Patient Reviews
Patient review summary
Learn about our survey5
4
3
2
1
4.9
213 reviews
-
Mar 30, 2026Verified Review
He is a great doctor
-
Mar 28, 2026Verified Review
He cares for both me and my husband. He's very thorough and interested in our health and well-being. We're very pleased to have him as our cardiologist.
-
Mar 28, 2026Verified Review
Dr.O'B consistently takes time to explain everything. He answers questions and addresses my issues with caring concern.
-
Mar 27, 2026Verified Review
Very good doctor. Everything done by the book. Feel time is of the essence with a 15 minute window. Could be more personable.
-
Mar 27, 2026Verified Review
An MD devoted to the care of his family. Confidence in his knowledge and judgment
-
Mar 25, 2026Verified Review
Very helpful and explained things clearly and answered all of my questions.
-
Mar 24, 2026Verified Review
not open to cutting edge options and only recommended what's available at the office like stress test he was very professional and polite nice doctor . thank you for the time . it is like some like vanilla some chocolate .
-
Mar 23, 2026Verified Review
I’d rate him 11
-
Mar 22, 2026Verified Review
I think he is an excellent diagnostician . I need a doctor that doesn't seem rushed and gives his patients adequate time.
-
Mar 21, 2026Verified Review
He’s an excellent doctor , some of my other Drs send their family to him . What better than that !
-
Mar 21, 2026Verified Review
Dr. O'Brien is thorough, caring and informed about my case. He takes time to discuss it with me and whoever is accompanying me.
-
Mar 21, 2026Verified Review
Excellent, diligent, caring, well organized and timely
-
Mar 20, 2026Verified Review
Knowledgeable, compassionate, low key
-
Mar 20, 2026Verified Review
Dr O’Brien has saved my life several times.
-
Mar 20, 2026Verified Review
He was knowledgeable
-
Mar 19, 2026Verified Review
My complete satisfaction is only with Dr. O'Brien and his staff at 37th and First Avenue. He and his staff are the best in your practice in Manhattan!
-
Mar 19, 2026Verified Review
Excellent care
-
Mar 16, 2026Verified Review
He explained what he was foing.
-
Mar 15, 2026Verified Review
excellent doctor
-
Mar 13, 2026Verified Review
appears tro be a knowledgable doc
-
About Francis J. O'Brien, MD, Facp, Facc
Francis J. O'Brien, MD, is a board-certified cardiologist. He completed medical training at Harvard Medical School and NYU Langone Medical Center.
Philosophy of care
Dr. O'Brien focuses on comprehensive cardiovascular care and prevention.
Gender
Male
Board certifications
American Board of Internal Medicine
Licenses
NY, 157747
Employed or contracted
Employed
Network Name
CareMount
NPI
1336148717
-
Insurance accepted
This may not reflect all insurance accepted by the provider and is for informational purposes only.
- 1199
- Aetna
- Affinity
- Anthem BCBS
- CDPHP
- CHN
- Centivo
- Cigna
- Coventry
- EmblemHealth
- First Health
- Healthfirst
- Humana
- MVP Healthcare
- MagnaCare
- Medicaid
- Medicare
- MetroPlus
- MultiPlan
- NYSHIP
- Northwell Direct
- Oscar
- Oxford
- TRICARE
- UMR
-
Medical School
-
Harvard Medical School
Residency
-
New York University
-
-
Awards and Publications
You are now leaving Optum and going to a third-party website operated by Google. Optum is not responsible for the content or accuracy of the information on this third-party site. We recommend you review the third-party site's privacy policy and terms of use, as Optum's will no longer apply.
Data use
We use cookies and similar tools to make your use of this website easy and to keep it working properly. We may share data about you and how you use the site with third parties, such as analytics and marketing partners. Learn more in our Privacy Policy and Terms of Use. By continuing to use the site, you agree to this.