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
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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. Ruth Hertzman-miller, MDSomerville, MA · No drug or device payments recorded (2025) ·
(617) 591-6300 Dr. Silvina Padro, MDSomerville, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 629-6350 Dr. Tatiana Slavsky, M.D.Somerville, MA · No drug or device payments recorded (2025) ·
(617) 629-6350 Dr. Yong Hwa Lee, M.D.Somerville, MA · No drug or device payments recorded (2025) ·
(617) 591-4700 Dr. Armineh Mirzabegian, M.D.Southboro, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 460-3024 Dr. James Howe, M.D.Southboro, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 460-3250 Dr. Amee Rathod, M.D.Southborough, MA · $85 in drug and device payments (2025) · Telehealth ·
(508) 481-5500 Dr. Betina Shakespeare, M.D.Southborough, MA · No drug or device payments recorded (2025) ·
(508) 460-3250 Dr. Deidre Hein, DOSouthborough, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 460-3250 Dr. Elizabeth Minevich, MDSouthborough, MA · No drug or device payments recorded (2025) ·
(508) 460-3250 Dr. Frank Chau, M.D.Southborough, MA · No drug or device payments recorded (2025) ·
(508) 460-3250 Dr. Hassna Atlassi, MDSouthborough, MA · $111 in drug and device payments (2025) · Telehealth ·
(508) 281-9471 Dr. Javeria Kouser, M.DSouthborough, MA · $161 in drug and device payments (2025) · Telehealth ·
(508) 281-9471 Dr. Justin Dorfman, D.O.Southborough, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 460-3250 Dr. Mario Flores, MDSouthborough, MA · $81 in drug and device payments (2025) · Telehealth ·
(508) 481-5500 Dr. Matthew Bean, M.D.Southborough, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 460-3150 Dr. Nadia Rodberg, M.D.Southborough, MA · No drug or device payments recorded (2025) ·
(508) 460-3250 Dr. Robert Jandl, M.D.Southborough, MA · No drug or device payments recorded (2025) ·
(508) 481-5500 Dr. Calvin Ross, M.D.South Boston, MA · No drug or device payments recorded (2025) ·
(617) 268-2404 Dr. Mohamed Mehssen, MDSouth Boston, MA · $37 in drug and device payments (2025) · Telehealth ·
(617) 269-7500 Dr. Pamela Cattel, MDSouth Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 269-7500 Dr. Sarah Sloan, M.D.South Boston, MA · No drug or device payments recorded (2025) ·
(617) 269-7500 Dr. Sheel Saxena, MDSouth Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 269-7500 Dr. Sujata Welankiwar, M.D.South Boston, MA · No drug or device payments recorded (2025) ·
(617) 268-1500 Dr. Suru Lin, M.D., M.P.H.South Boston, MA · No drug or device payments recorded (2025) ·
(617) 269-7500 Dr. Adam Paszkowski, M.D.Southbridge, MA · No drug or device payments recorded (2025) ·
(508) 765-1641 Dr. Arthur Russo, MDSouthbridge, MA · No drug or device payments recorded (2025) ·
(508) 765-9771 Dr. Francis Powers, M.D.Southbridge, MA · No drug or device payments recorded (2025) ·
(508) 765-9771 Dr. Issam Oneyssi, M.D.Southbridge, MA · $76 in drug and device payments (2025) ·
(508) 765-9771 Dr. Krishnaveni Sirigaddi, MDSouthbridge, MA · No drug or device payments recorded (2025) ·
(508) 765-9771 Dr. Mary Banda, MDSouthbridge, MA · No drug or device payments recorded (2025) ·
(508) 765-9771 Dr. Nizam DinSouthbridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 765-9771 Dr. Patrick Duplan, MDSouthbridge, MA · No drug or device payments recorded (2025) ·
(508) 765-9771 Dr. Paul Takla, MDSouthbridge, MA · No drug or device payments recorded (2025) ·
(508) 765-9771 Dr. Suresh Mamidala, M.DSouthbridge, MA · No drug or device payments recorded (2025) ·
(508) 764-9771 Dr. Tai Temple, MDSouthbridge, MA · $15 in drug and device payments (2025) ·
(508) 765-9771 Dr. Vladas Litani, MDSouthbridge, MA · $859 in drug and device payments (2025) ·
(508) 764-4885 Dr. William Dunn, D.O.Southbridge, MA · No drug or device payments recorded (2025) ·
(508) 764-2620 Dr. Yasser Rehman, M.D.Southbridge, MA · $118 in drug and device payments (2025) ·
(508) 764-2400 Dr. Richard Wu, MDSouth Deerfield, MA · No drug or device payments recorded (2025) ·
(413) 665-8517 Dr. Robert Leitch, MDSouth Deerfield, MA · No drug or device payments recorded (2025) ·
(413) 665-2099 Dr. Seth Kupferschmid, M.D.South Deerfield, MA · No drug or device payments recorded (2025) ·
(413) 665-8517 Dr. Ersan Yalcin, M.D.South Easton, MA · No drug or device payments recorded (2025) ·
(508) 565-7300 Dr. Sonali Khond, M.D.South Easton, MA · $2,698 in drug and device payments (2025) · Telehealth ·
(508) 565-7600 Dr. Andrew Fay, MDSouth Hadley, MA · No drug or device payments recorded (2025) · Telehealth ·
(413) 533-3926 Dr. Arthur Krulewitz, MDSouth Hadley, MA · No drug or device payments recorded (2025) ·
(413) 533-3926 Dr. David Clinton, MDSouth Hadley, MA · No drug or device payments recorded (2025) ·
(413) 536-5563 Dr. Edward Ryter, MDSouth Hadley, MA · $24 in drug and device payments (2025) · Telehealth ·
(413) 533-3926 Dr. Hannah DaneshvarSouth Hadley, MA · $24 in drug and device payments (2025) · Telehealth ·
(413) 794-8700 Dr. James Freeman, M.D.South Hadley, MA · No drug or device payments recorded (2025) ·
(413) 794-8700 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.
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