About
Dr. Jeffrey Bass co-founded PersonalMDs in 2007 after more than two decades delivering primary care in the Boston area. A Philadelphia native, he earned his medical degree from the University of Pennsylvania School of Medicine and completed his Internal Medicine residency at Beth Israel Hospital. He holds board certification in Internal Medicine.
Prior to founding PersonalMDs, Dr. Bass practiced at Brigham and Women's Primary Care Associates of Brookline. He has served as an instructor at Harvard Medical School for decades and earned a nomination for the prestigious Robert Stone teaching award. He maintains an affiliate physician appointment at Brigham and Women's Hospital. He lives in Newton with his wife and three daughters.
Education & Training
Medical School
University of Pennsylvania School of Medicine (M.D.)
Residency
Internal Medicine, Beth Israel Hospital
Additional Training
Instructor, Harvard Medical School
Certifications
Conditions Treated
Who is Dr. Bass right for?
Dr. Bass is a strong fit for adults seeking an experienced internist with deep roots in Boston medicine. Patients managing chronic conditions benefit from his broad internal medicine background. Those who value a physician connected to Brigham and Women's Hospital will find his affiliate appointment reassuring. His decades of practice make him well-suited for patients who want a seasoned, relationship-driven doctor.
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Frequently Asked Questions
Dr. Bass holds board certification in Internal Medicine. He completed his residency training at Beth Israel Hospital and earned his medical degree from the University of Pennsylvania School of Medicine.
Yes, Dr. Jeffrey Bass co-founded PersonalMDs in 2007 alongside Dr. Ronald Katz. He brought more than two decades of Boston-area primary care experience to the founding.
Dr. Bass maintains an affiliate physician appointment at Brigham and Women's Hospital. This connection supports seamless coordination for members who need specialist or hospital-based care.
Yes, Dr. Bass has served as an instructor at Harvard Medical School for decades. The medical school nominated him for the prestigious Robert Stone teaching award, which recognizes outstanding teaching.
Before co-founding PersonalMDs, Dr. Bass practiced at Brigham and Women's Primary Care Associates of Brookline. He has spent his entire career delivering primary care in the Boston area.
Dr. Bass focuses on internal medicine and primary care. His scope includes preventive care, chronic disease management, cardiovascular assessments, cancer screenings, and general adult medicine.
Doctor profile last updated March 21, 2026