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. Edward Shashoua, D.O.Cambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 661-6225 Dr. Eisha Azhar, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 492-3500 Dr. Elaine Hsieh, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 547-4903 Dr. Elaine Shiang, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 235-7915 Dr. Ellen Schwartz, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 495-4414 Dr. Emily Chen, M.D.Cambridge, MA · $118 in drug and device payments (2025) · Telehealth ·
(617) 575-5550 Dr. Emily Harris, MDCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 665-1000 Dr. Eric Swanson, MDCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 665-1000 Dr. Eunice Chuang, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5571 Dr. Eva Gassiraro, MDCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 868-2650 Dr. Frank Finkelstein, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 661-5100 Dr. Frederic Celestin, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5112 Dr. Gabriel Szentpaly, M.D.Cambridge, MA · $19 in drug and device payments (2025) · Telehealth ·
(617) 661-4600 Dr. Galina Tan, M.D.Cambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 665-1068 Dr. Geetika Gupta, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1000 Dr. Gerard Coste, MDCambridge, MA · $15 in drug and device payments (2025) ·
(617) 665-3623 Dr. Gloria SingletonCambridge, MA · No drug or device payments recorded (2025) ·
(617) 492-3500 Dr. Gordon Moore, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 509-9973 Dr. Gregg Fine, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5112 Dr. Gregory Lines, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1000 Dr. Gregson Pigott, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-3600 Dr. Gunjan Senapati, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(248) 515-7890 Dr. Guy Pugh, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 661-6225 Dr. Hamna Umar, MDCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 491-5586 Dr. Hannah Olivet, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 575-5570 Dr. Helena Santos-martins, M.D.Cambridge, MA · $263 in drug and device payments (2025) · Telehealth ·
(617) 665-3000 Dr. Henrietta BarnesCambridge, MA · No drug or device payments recorded (2025) ·
(617) 575-5570 Dr. Howard Heller, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 253-1615 Dr. Hussam Kurdi, MDCambridge, MA · $688 in drug and device payments (2025) · Telehealth ·
(617) 665-1580 Dr. Ian Mccart, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 233-4356 Dr. Ira MintzerCambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1032 Dr. Irving Weintraub, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 661-7959 Dr. Jackie Bronico, M.D., MSCCambridge, MA · No drug or device payments recorded (2025) ·
(617) 286-4565 Dr. Jacqueline Spencer, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(914) 522-5666 Dr. James Hamblin, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(336) 749-7863 Dr. James Miller, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 661-5420 Dr. James NolanCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 575-5570 Dr. Jamie LipmanCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 665-1068 Dr. Jana Naef, M.D.Cambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 354-0915 Dr. Janine Mccauley, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 499-5112 Dr. Janine PetitoCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 665-1000 Dr. Jean Kasmer, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 495-8414 Dr. Jeffrey Held, MDCambridge, MA · $25 in drug and device payments (2025) ·
(617) 258-9355 Dr. Jeremy Keller, M.D.Cambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 665-3600 Dr. Jesse Bossingham, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 665-1000 Dr. Jessica Feldman, MDCambridge, MA · No drug or device payments recorded (2025) ·
(617) 492-3500 Dr. Jia LiuCambridge, MA · No drug or device payments recorded (2025) ·
(908) 461-3942 Dr. Jianfeng Wang, M.D.Cambridge, MA · $374 in drug and device payments (2025) ·
(617) 492-3500 Dr. Jianying Yang, M.DCambridge, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 492-3500 Dr. Jing Luan, M.D.Cambridge, MA · No drug or device payments recorded (2025) ·
(617) 876-4344 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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