Dr. Barbara O'Sullivan, MD
Dr. Barbara O'Sullivan, MD is an internist in New York, NY and has over 40 years of experience in the medical field. She graduated from Penn State University College of Medicine in 1983. She is affiliated with medical facilities New York-Presbyterian Hospital and Memorial Sloan Kettering Cancer Center.
Practice
1230 York Ave New York, NY 10065Compare with other Internists
Compare Dr. O'Sullivan with our nearby Internists at Mount Sinai Hospital.
Make an appointment at Mount Sinai Hospital today at
(212) 257-0075.
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About Me
biography
Dr. Barbara O'Sullivan, MD is an internist in New York, NY and has over 40 years of experience in the medical field. She graduated from Penn State University College of Medicine in 1983. She is affiliated with medical facilities New York-Presbyterian Hospital and Memorial Sloan Kettering Cancer Center.Internal Medicine
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Penn State University College Of Medicine
Medical School, 1983
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Locations
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Affiliated Hospitals
- Recipient of 28
hospital awardsView all awardsAmerica's 250 Best Hospitals Award™ (2025)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
83%Patients said they were given information about recovering at home1% lower than the national average
76%Patients said that doctors always listened to them and explained things well
Compare with other Internists
Compare Dr. O'Sullivan with our nearby Internists at Mount Sinai Hospital.
Make an appointment at Mount Sinai Hospital today at
(212) 257-0075.