About
Gail M. Fennell, MD has practiced internal medicine in the Rye Brook, New York area for three decades. She earned her Bachelor of Arts in Biology, Summa Cum Laude, from Mercy College in Dobbs Ferry, NY in 1988. She then earned her Doctorate of Medicine from the University of Connecticut School of Medicine in Farmington in 1992. Dr. Fennell completed her internship and residency in internal medicine at Greenwich Hospital, affiliated with Yale University, and served as Chief Resident from 1994 to 1995. She holds certification from the American Board of Internal Medicine and maintains memberships in the American College of Physicians and the American Medical Association.
Dr. Fennell believes that close, personal relationships with patients make diagnosis and treatment more effective. She practices through the MDVIP model, which allows her to provide thorough, unhurried care. Castle Connolly has named her a Top Doctor every year from 2007 through 2024, and the organization recognized her as an Exceptional Woman in Medicine in 2017, 2018, and 2020 through 2024. The American Registry placed her in the top 1 percent of America's Most Honored Doctors from 2016 to 2020. Outside the office, she enjoys gardening, hiking, skiing, and photography.
Education & Training
Undergraduate
Mercy College, Dobbs Ferry, NY - Bachelor of Arts, Biology, Summa Cum Laude, 1988
Medical School
University of Connecticut School of Medicine, Farmington, CT - Doctorate of Medicine, 1992
Residency
Greenwich Hospital/Yale University, Greenwich, CT - Internal Medicine Residency and Internship, 1992-1995; Chief Resident, 1994-1995
Certifications
Conditions Treated
Who is Dr. Fennell right for?
Dr. Fennell is best suited for adults who want an experienced internist with a strong record of recognition and a relationship-driven approach. Patients managing chronic conditions benefit from her comprehensive screenings and personalized wellness planning. Those who value direct physician access, including same-day and after-hours availability, will find her model a strong fit. She also serves patients who travel frequently and need coordinated care and referrals. Please note that her practice is not currently accepting new patients.
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Frequently Asked Questions
Dr. Fennell specializes in internal medicine with a focus on adult primary care. Her clinical work includes chronic disease management, preventive screenings, and personalized wellness planning through the MDVIP model. She has practiced internal medicine in the Rye Brook area for three decades.
Yes, Dr. Fennell holds board certification from the American Board of Internal Medicine. She also maintains active memberships in the American College of Physicians and the American Medical Association.
Dr. Fennell earned her medical degree from the University of Connecticut School of Medicine in 1992. She completed her internship and residency in internal medicine at Greenwich Hospital, affiliated with Yale University. She served as Chief Resident from 1994 to 1995.
Castle Connolly has named Dr. Fennell a Top Doctor every year from 2007 through 2024. The organization also recognized her as an Exceptional Woman in Medicine in 2017, 2018, and 2020 through 2024. The American Registry placed her in the top one percent of America's Most Honored Doctors from 2016 to 2020.
Dr. Fennell believes that close personal relationships make diagnosis and treatment more effective. She practices through the MDVIP model, which allows her to provide thorough, unhurried care. She prioritizes same-day appointments and after-hours phone access so patients can reach her when it matters most.
Dr. Fennell maintains affiliations with Greenwich Hospital and Stamford Hospital. These affiliations allow her to coordinate care and referrals effectively for her patients.
Yes, Dr. Fennell offers travel care coordination for her members. She also provides referrals to Medical Centers of Excellence when specialized care is needed.
Dr. Fennell's practice is not currently accepting new patients. Prospective patients may wish to contact the office directly to inquire about waitlist availability.
Doctor profile last updated March 21, 2026