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. Anthony Philippakis, M.D., PHDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 967-7602 Dr. Antoine Haddad, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 335-3538 Dr. Anupam Agarwal, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 496-9506 Dr. Aretha Davis, ARETHA DELIGHT DAVISCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5140 Dr. Arjun Kelaiya, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5160 Dr. Arno Tilles, MDCambridge, MA · No drug or device payments recorded (2025) ·
(305) 215-2888 Dr. Arthur Shushan, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 864-8822 Dr. Arun Chaudhary, M.D.Cambridge, MA · $55 in drug and device payments (2025) ·
(617) 876-4344 Dr. Ashok Roy, M.D.Cambridge, MA · $96 in drug and device payments (2025) ·
(617) 253-4481 Dr. Auddri Rahman, MDCambridge, MA · $26 in drug and device payments (2025) ·
(617) 499-5112 Dr. Ayse Atasoylu, M.D., M.P.H.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 349-8222 Dr. Barbara Ogur, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-3600 Dr. Barbara O'neil, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 661-5500 Dr. Basmaa Ali, MDCambridge, MA · No drug or device payments recorded (2025) ·
(401) 952-5488 Dr. Berkcan Ozturk, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 492-3500 Dr. Beth Goldman, MDCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 868-2650 Dr. Beth Lown, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5140 Dr. Bettina Bentley, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 495-8414 Dr. Bo Xu, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1000 Dr. Brian Pereira, M.D.Cambridge, MA · $147 in drug and device payments (2025) ·
(617) 498-3324 Dr. Bruce Ditzion, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 864-9305 Dr. Callie Taffe, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 864-8822 Dr. Camille Bedrosian, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 494-0400 Dr. Caryl Mather, MDCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 496-9506 Dr. Cassie Frank, M.D., M.P.H.Cambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(917) 665-3000 Dr. Catharine Mintzer, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 864-8822 Dr. Charles Hatem, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 868-2650 Dr. Charlotte Atiemo, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1021 Dr. Charlotte RastasCambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1000 Dr. Christian MewaldtCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(304) 544-8747 Dr. Christina Phillips, M.D.Cambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 665-1068 Dr. Christopher Dennis, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5112 Dr. Cindy Chen, M.D.Cambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 575-5550 Dr. Conor BrockwayCambridge, MA · No drug or device payments recorded (2025) ·
(617) 492-3500 Dr. Daniela Rohne-garlapati, D.O., MPHCambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1068 Dr. Daniel Katzman, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5112 Dr. Daniel Metrick, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5112 Dr. Danny DoCambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1000 Dr. Danny Mccormick, M.D.Cambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 665-1032 Dr. Dan Tang, M.D.Cambridge, MA · $78 in drug and device payments (2025) · Telehealth ·
(617) 492-3500 Dr. David Baron, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1068 Dr. David Diamond, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 253-7625 Dr. David Elvin, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 575-5550 Dr. David Hudacek, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5112 Dr. Deborah Zucker, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5065 Dr. Debra Poaster, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 496-9506 Dr. Debra Shapiro, MDCambridge, MA · $54 in drug and device payments (2025) · Telehealth ·
(617) 661-4600 Dr. Deirdre Woods, MDCambridge, MA · $16 in drug and device payments (2025) ·
(617) 499-5112 Dr. Deneen Pelletier, M.D.Cambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 864-8822 Dr. Edward Kowaloff, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 864-8822 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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