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. Nisha Basu, MDWatertown, MA · No drug or device payments recorded (2025) ·
(888) 897-1887 Dr. Paul Fergus, MDWatertown, MA · No drug or device payments recorded (2025) ·
(617) 924-6484 Dr. Paul Kasuba, MDWatertown, MA · No drug or device payments recorded (2025) ·
(617) 924-6484 Dr. Pooja MehtaWatertown, MA · No drug or device payments recorded (2025) ·
(781) 528-0583 Dr. Rabiah Rafique, MDWatertown, MA · No drug or device payments recorded (2025) ·
(617) 744-8542 Dr. Ranjana Mundhe, MDWatertown, MA · No drug or device payments recorded (2025) ·
(617) 972-5200 Dr. Richard Galgano, D.O.Watertown, MA · No drug or device payments recorded (2025) ·
(617) 972-5200 Dr. Robert Kelleher, MDWatertown, MA · $94 in drug and device payments (2025) · Telehealth ·
(617) 926-9000 Dr. Subbuluxmi Natarajan, MDWatertown, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 972-5100 Dr. Vivian Toney, MDWatertown, MA · No drug or device payments recorded (2025) ·
(617) 924-5596 Dr. Wayne Wild, M.D.Watertown, MA · No drug or device payments recorded (2025) ·
(617) 972-9400 Dr. Beth Zeeman, MDWayland, MA · No drug or device payments recorded (2025) ·
(508) 358-0234 Dr. Frederic Goldman, M.D.Wayland, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 358-3300 Dr. Jonathan Smith, M.D.Wayland, MA · $29 in drug and device payments (2025) · Telehealth ·
(508) 358-3300 Dr. Kimberly Buckman, M.D.Wayland, MA · $92 in drug and device payments (2025) · Telehealth ·
(508) 318-1370 Dr. Robin Tapper, M.D.Wayland, MA · No drug or device payments recorded (2025) ·
(508) 358-0076 Dr. Albert Dunn, M.D.W Bridgewater, MA · No drug or device payments recorded (2025) ·
(508) 584-0600 Dr. Beata Stancel-grabias, M.D.Webster, MA · $120 in drug and device payments (2025) · Telehealth ·
(508) 949-1988 Dr. Dmitry Levenson, MDWebster, MA · No drug or device payments recorded (2025) ·
(508) 671-4050 Dr. Gil Rohald, M.D.Webster, MA · No drug or device payments recorded (2025) ·
(508) 943-2600 Dr. Kenneth Guarnieri, M.D.Webster, MA · $4,543 in drug and device payments (2025) ·
(508) 461-0011 Dr. Krzysztof Kacprzak, M.D.Webster, MA · $3,516 in drug and device payments (2025) · Telehealth ·
(508) 461-0011 Dr. Lindsey GirouxWebster, MA · No drug or device payments recorded (2025) ·
(508) 461-0011 Dr. Mae Wolslegel, D.O.Webster, MA · No drug or device payments recorded (2025) ·
(508) 671-4050 Dr. Mark Davidson, M.D.Webster, MA · $24 in drug and device payments (2025) · Telehealth ·
(508) 943-0821 Dr. Mark Tarantan, MDWebster, MA · No drug or device payments recorded (2025) ·
(508) 671-4050 Dr. Neelima Sudireddy, MDWebster, MA · No drug or device payments recorded (2025) ·
(508) 949-6880 Dr. Piotr Grabias, M.D.Webster, MA · $47 in drug and device payments (2025) · Telehealth ·
(508) 949-1988 Dr. Thalia Madera, PAWebster, MA · $106 in drug and device payments (2025) ·
(413) 565-1000 Dr. Aida Martinez, MDWellesley, MA · $131 in drug and device payments (2025) · Telehealth ·
(781) 431-5220 Dr. Alan Glaser, MDWellesley, MA · $22 in drug and device payments (2025) · Telehealth ·
(781) 431-2345 Dr. Amanda Harrow, BSN, RN, MSN, FNP-BCWellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5220 Dr. Brenda Walkey, M.D.Wellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 519-6063 Dr. Brian Backner, MDWellesley, MA · No drug or device payments recorded (2025) ·
(617) 875-4890 Dr. Bruce Tofias, M.D.Wellesley, MA · $22 in drug and device payments (2025) · Telehealth ·
(781) 235-3444 Dr. Burt Hall, MDWellesley, MA · No drug or device payments recorded (2025) ·
(781) 237-3395 Dr. Carol Burd, M.D.Wellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5220 Dr. Charles Pao, MDWellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 943-3000 Dr. Charles Tracy, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5415 Dr. Christine Harrington, M.D.Wellesley, MA · $24 in drug and device payments (2025) · Telehealth ·
(781) 772-8300 Dr. Christopher Nicodemus, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 416-1506 Dr. Christopher Smith, MDWellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 591-3414 Dr. Cynthia Maguire, MDWellesley, MA · No drug or device payments recorded (2025) ·
(781) 237-3395 Dr. Daniel Gaposchkin, M.D/PH.D.Wellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 772-8400 Dr. Daniel Witt, MDWellesley, MA · $30 in drug and device payments (2025) · Telehealth ·
(857) 678-3901 Dr. David Krohn, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 431-5205 Dr. David PolmanWellesley, MA · No drug or device payments recorded (2025) · Telehealth ·
(781) 235-1224 Dr. David Rubin, M.D.Wellesley, MA · $14 in drug and device payments (2025) · Telehealth ·
(781) 431-5220 Dr. David Schroeder, MDWellesley, MA · $229 in drug and device payments (2025) ·
(781) 235-1369 Dr. David Wenzel, M.D.Wellesley, MA · No drug or device payments recorded (2025) ·
(781) 235-5200 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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