Internal Medicine Doctors in Massachusetts
Data updated monthly · Last refresh October 2026
6,796 Internal Medicine providers practice in Massachusetts, including 1,960 (29%) offering telehealth. The largest concentration is in Boston. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
6,796providers
1,960telehealth
Bostontop city
Internal Medicine by city in Massachusetts
Choose a city to see providers there.
Internal Medicine providers in Massachusetts
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Dong Joo Seo, MDWeymouth, MA · No drug or device payments recorded (2025) ·
(781) 624-8000 Dr. Faruk Obut, M.D.Weymouth, MA · No drug or device payments recorded (2025) ·
(781) 624-8000 Dr. Hana Altwal, MDWeymouth, MA · No drug or device payments recorded (2025) ·
(781) 792-4121 Dr. Johanna Marie Orejo, MD Dr. Kathleen Hiltz, MDWeymouth, MA · No drug or device payments recorded (2025) ·
(781) 624-8000 Dr. Marvin Lipschutz, M.D.Weymouth, MA · No drug or device payments recorded (2025) ·
(781) 340-4293 Dr. Muhammad Shakoor, M.DWeymouth, MA · No drug or device payments recorded (2025) ·
(781) 624-8000 Dr. Navjot Somal, MDWeymouth, MA · $32 in drug and device payments (2025) ·
(781) 624-8719 Dr. Patricia Hopkins, M.D.Weymouth, MA · $2,216 in drug and device payments (2025) · Telehealth ·
(617) 773-9198 Dr. Ping Lu, M.D., PH.D.Weymouth, MA · No drug or device payments recorded (2025) ·
(781) 624-8000 Dr. Ronnie Kamoga, MDWeymouth, MA · $30 in drug and device payments (2025) ·
(781) 624-8000 Dr. Sanjay Kumbar, M.D.Weymouth, MA · No drug or device payments recorded (2025) ·
(781) 624-8000 Dr. Shahab Khan, MDWeymouth, MA · No drug or device payments recorded (2025) ·
(781) 624-8000 Dr. Thomas O'connor, M.D.Weymouth, MA · $90 in drug and device payments (2025) · Telehealth ·
(781) 337-9091 Dr. Vitaly Ermolin, MDWeymouth, MA · No drug or device payments recorded (2025) ·
(781) 624-8000 Dr. Yin Wu, MDWeymouth, MA · No drug or device payments recorded (2025) ·
(781) 624-8000 Dr. Brian Blanchette, MDWhitman, MA · No drug or device payments recorded (2025) ·
(781) 792-6000 Dr. Brian Dalton, M.D.Whitman, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 792-6000 Dr. George Despines, MDWhitman, MA · No drug or device payments recorded (2025) ·
(781) 792-6000 Dr. Harry Katz-pollak, MDWhitman, MA · No drug or device payments recorded (2025) ·
(781) 792-6000 Dr. Nicholas Tsanotelis, MDWhitman, MA · $584 in drug and device payments (2025) · Telehealth ·
(781) 792-6000 Dr. Nikolaos Michalacos, MDWhitman, MA · $7 in drug and device payments (2025) · Telehealth ·
(781) 792-6000 Dr. Merl Macneil, M.D., P.C.Whittinsville, MA · No drug or device payments recorded (2025) ·
(508) 234-9220 Dr. Ann Hritz, M.D.Wilbraham, MA · No drug or device payments recorded (2025) ·
(413) 596-2349 Dr. Barbara Sullivan, M.D.Wilbraham, MA · No drug or device payments recorded (2025) ·
(413) 596-4407 Dr. Brian Banker, MDWilbraham, MA · No drug or device payments recorded (2025) ·
(413) 598-7770 Dr. Craig Kannel, MDWilbraham, MA · No drug or device payments recorded (2025) · Telehealth ·
(413) 596-5550 Dr. James Leone, MDWilbraham, MA · No drug or device payments recorded (2025) ·
(413) 596-9200 Dr. John Peluso, MDWilbraham, MA · No drug or device payments recorded (2025) · Telehealth ·
(413) 596-5550 Dr. Molly Noonan, M.D.Wilbraham, MA · No drug or device payments recorded (2025) ·
(413) 596-4407 Dr. Navatha Hanumagutti, M.D.Wilbraham, MA · No drug or device payments recorded (2025) · Telehealth ·
(413) 596-5550 Dr. Philip Halon, M.D.Wilbraham, MA · No drug or device payments recorded (2025) ·
(413) 596-6150 Dr. Sarah Freedman, M.D.Wilbraham, MA · No drug or device payments recorded (2025) ·
(413) 596-5550 Dr. Spencer Haller, M.D.Wilbraham, MA · No drug or device payments recorded (2025) · Telehealth ·
(413) 598-7770 Dr. Subha Clarke, MDWilbraham, MA · No drug or device payments recorded (2025) ·
(413) 596-3455 Dr. Christopher Flory, M.D.Williamsburg, MA · No drug or device payments recorded (2025) ·
(413) 268-7522 Dr. Hanno Muellner, MDWilliamsburg, MA · No drug or device payments recorded (2025) · Telehealth ·
(413) 268-3616 Dr. Peter Siersma, MDWilliamsburg, MA · No drug or device payments recorded (2025) ·
(413) 268-3616 Dr. Alfred Wise, M.D.Williamstown, MA · No drug or device payments recorded (2025) ·
(413) 664-5900 Dr. Brad Whateley, M.D.Williamstown, MA · No drug or device payments recorded (2025) ·
(413) 458-2637 Dr. Marian Madden, M.D.Williamstown, MA · No drug or device payments recorded (2025) ·
(413) 458-8182 Dr. Rubab Rizwan, M.D.Williamstown, MA · No drug or device payments recorded (2025) ·
(413) 458-8182 Dr. Sriramya Gayam, MDWilliamstown, MA · No drug or device payments recorded (2025) ·
(413) 664-5710 Dr. Faisal Malik, MDWilmington, MA · $98 in drug and device payments (2025) ·
(978) 909-4966 Dr. Hoai Nu Vo, M.D.Wilmington, MA · No drug or device payments recorded (2025) · Telehealth ·
(978) 988-9700 Dr. Janet Mayne, D.N.P.Wilmington, MA · No drug or device payments recorded (2025) ·
(978) 988-9255 Dr. Jeena Vaid, MDWilmington, MA · $82 in drug and device payments (2025) ·
(978) 658-4432 Dr. John Sullivan, M.D.Wilmington, MA · No drug or device payments recorded (2025) ·
(978) 658-4432 Dr. Joseph Costagliola, M.D.Wilmington, MA · No drug or device payments recorded (2025) ·
(978) 694-9610 Dr. Josephine Albano, MDWilmington, MA · No drug or device payments recorded (2025) ·
(978) 657-7911 Conditions Internal Medicine providers in Massachusetts commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Massachusetts?There are 6,796 Internal Medicine providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Massachusetts offer telehealth?Yes. 1,960 of the 6,796 Internal Medicine providers in Massachusetts (about 29%) report offering telehealth services in CMS data.
Which cities in Massachusetts have the most Internal Medicine providers?Boston (2,322), Worcester (443), Cambridge (299) have the highest concentration of Internal Medicine providers in Massachusetts.
How many Internal Medicine providers in Massachusetts received drug or device company payments?1,344 of 6,796 Internal Medicine providers in Massachusetts (20%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Massachusetts treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Internal Medicine Doctors in Massachusetts work in independent practices or large health systems?Among 3,721 Internal Medicine Doctors in Massachusetts enrolled in Medicare, 10% bill through a solo or small practice with fewer than 10 clinicians, 11% through a mid-size group of 10 to 99, and 79% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Massachusetts work at?According to CMS facility affiliation records, the Massachusetts hospitals where the most Internal Medicine Doctors hold privileges are Brigham and Women's Hospital in Boston; Massachusetts General Hospital in Boston; Beth Israel Deaconess Medical Center in Boston.
Related reading on HealthcareDiscovery.AI
Internal Medicine in all 50 states Search all 6,796 in the directory Ask Zach for help choosing
Related
