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. Mahmoud Abu Hazeem, MBBSBoston, MA · No drug or device payments recorded (2025) ·
(402) 320-4830 Dr. Majd AlsoubaniBoston, MA · $109 in drug and device payments (2025) · Telehealth ·
(617) 636-5000 Dr. Malavikalakshmi Attur, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Malik Ahmed, MDBoston, MA · $2,078 in drug and device payments (2025) ·
(617) 636-4322 Dr. Mallika Purandare, BS, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Mamtha Balla, MD.,MPH Dr. Manasa MouliBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Manasa Mullapudi, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 789-3000 Dr. Mandy Krauthamer, M.DBoston, MA · No drug or device payments recorded (2025) ·
(857) 383-8136 Dr. Maneli Doroudian Tehrani, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-3753 Dr. Mansour Alfayez, M.DBoston, MA · No drug or device payments recorded (2025) ·
(617) 789-3000 Dr. Manuel Fanarjian, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 323-7700 Dr. Mara Bensson-ravunniarath, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-6610 Dr. Maram Alenzi, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 416-7443 Dr. Mara Murray HorwitzBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5951 Dr. Mara Schonberg, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-9600 Dr. Marat Volman, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-6140 Dr. Marc Cohen, MDBoston, MA · $20 in drug and device payments (2025) · Telehealth ·
(617) 667-9600 Dr. Marcella Alsan, M.D., MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-7513 Dr. Marcelle Tuttle, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Marc Emmerich, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 433-9601 Dr. Marc Herant, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 358-0025 Dr. Marcia Zucker, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-6700 Dr. Marc Larochelle, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Marcy Carty, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5513 Dr. Margaret GillisBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Margaret KalaBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Margaret Mckenna, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 638-7062 Dr. Margaret Mcnamara, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 636-5400 Dr. Margaret Seater, D.O.Boston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Margaret Threadgill, MD,MBABoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-7782 Dr. Margot Rogers, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5951 Dr. Maria Alejandra Luna Cuadros, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 506-2726 Dr. Maria Gorbovitsky, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-5855 Dr. Mariah Evarts, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 358-2800 Dr. Maria Kosovsky, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-8245 Dr. Maria Mesalles Ramirez, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Maria Paula Diaz Soto, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Maria Rosasco, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Maria-teresa Cuddihy, MD MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-9600 Dr. Marilyn Clark, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 433-9601 Dr. Marisa Jupiter, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 754-4677 Dr. Mark Aronson, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-4476 Dr. Mark Ferreira, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 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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