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. Risa Burns, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-9600 Dr. Rishi Puram, MD,PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-0596 Dr. Robert Baumgartner, MDBoston, MA · $1,436 in drug and device payments (2025) ·
(617) 636-5000 Dr. Robert Baumwoll, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 421-5804 Dr. Robert Boxer, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5845 Dr. Robert Carruthers, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 525-6550 Dr. Robert Dilley, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Robert Flaumenhaft, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 754-1204 Dr. Robert Hughes, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-6610 Dr. Robert Korom, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2865 Dr. Robert Leinbach, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-7400 Dr. Robert Marlin, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Robert Neer, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-6723 Dr. Robert Nicholl, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 572-5218 Dr. Robert Peck, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 304-6375 Dr. Robert Sackstein, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-1124 Dr. Robert Stern, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 Dr. Robert Witzburg, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Robert Wu, MDBoston, MA · $2,359 in drug and device payments (2025) ·
(617) 338-9889 Dr. Robin Reed, M.D.Boston, MA · $115 in drug and device payments (2025) · Telehealth ·
(617) 247-5742 Dr. Robin Wigmore, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 754-9600 Dr. Roby Bhattacharyya, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2066 Dr. Rodolfo Villarreal-calderon, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Rohan Bajaj, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Rohan Khazanchi, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Rohit Sharma, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Romit Bhattacharya, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2865 Dr. Ronald Dixon, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-4900 Dr. Ronaldo Correa Fabiano Filho, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Rong Guan, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 482-7555 Dr. Rosemary Oconnell, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 638-6428 Dr. Ross Okimoto, M.DBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 636-5000 Dr. Roy Soberman, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-3747 Dr. Rucci Marcus Foo, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-7000 Dr. Runna Moussa-pervane, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 859-5101 Dr. Ruochen Ying, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Rushika Fernandopulle, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-6193 Dr. Russell Phillips, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-4916 Dr. Ryan Corcoran, MD, PHDBoston, MA · $58,046 in drug and device payments (2025) ·
(617) 724-6620 Dr. Ryan GallagherBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Ryan Harrington, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 296-4000 Dr. Ryan Schwarz, MD, MBABoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Ryan Stevenson, M.DBoston, MA · $71 in drug and device payments (2025) · Telehealth ·
(925) 324-0491 Dr. Ryan Thompson, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2066 Dr. Saba Bingabr, MDBoston, MA · No drug or device payments recorded (2025) ·
(405) 888-1327 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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