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. Madhan Srinivasan Kumar, MDWorcester, MA · $246 in drug and device payments (2025) ·
(508) 363-5000 Dr. Madhavi ManchikalapatiWorcester, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 334-2731 Dr. Madhav Sharma, MDWorcester, MA · $160 in drug and device payments (2025) ·
(508) 363-5438 Dr. Magdalena Boelsterl, MD MPHWorcester, MA · No drug or device payments recorded (2025) ·
(508) 363-7300 Dr. Mahesh ShresthaWorcester, MA · $37 in drug and device payments (2025) ·
(508) 363-6208 Dr. Majid Yazdani, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 Dr. Ma Leonor Beck, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 363-5000 Dr. Manjul Shukla, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 595-2300 Dr. Marcus Cooper, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 856-3452 Dr. Maria Casal, M.D.Worcester, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 334-8409 Dr. Maria DunnWorcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8630 Dr. Maria Garcia, M.D.Worcester, MA · $16 in drug and device payments (2025) ·
(508) 334-8515 Dr. Maria Hincapie Marquez, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 Dr. Maria Kim, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 334-1443 Dr. Marianna Almpani, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 Dr. Marian Saba, MDWorcester, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 791-8524 Dr. Mark Andrews, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 363-5000 Dr. Mark Schrank, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 595-2300 Dr. Mary Hawthorne, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 791-8524 Dr. Mary Valliere, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8630 Dr. Mason WinkieWorcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 Dr. Masooma Rehmtulla, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 595-2700 Dr. Matilde Castiel, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 459-1801 Dr. Matthew Beth Urhoy, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 363-5000 Dr. Matthew GreenwoodWorcester, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 334-8515 Dr. Mayur Pathak, M.D. , M.B.B.S.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 363-6177 Dr. Megan Wachsmann, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-1000 Dr. Meghna Trivedi, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 Dr. Megna Machado, MDWorcester, MA · $133 in drug and device payments (2025) ·
(508) 363-5000 Dr. Mehrunissa Kazim, MDWorcester, MA · $125 in drug and device payments (2025) ·
(508) 363-6208 Dr. Melissa Fischer, M.D.Worcester, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 334-0660 Dr. Michael Christakis, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 856-0104 Dr. Michael Collins, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 856-6507 Dr. Michael De Bruin, M.D., M.P.H.Worcester, MA · No drug or device payments recorded (2025) ·
(800) 865-3384 Dr. Michael Devine, D.O.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 Dr. Michael Fitzpatrick, DOWorcester, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 334-8515 Dr. Michael Galica, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8802 Dr. Michael Kalfopoulos, MDWorcester, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 334-8515 Dr. Michael Kelleher, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 368-3103 Dr. Michael Lemieux, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 334-1000 Dr. Michael Tofano, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 Dr. Milind Bhagat, M.D.Worcester, MA · No drug or device payments recorded (2025) · Telehealth ·
(508) 363-6208 Dr. Mohammed Mohammed, M.DWorcester, MA · No drug or device payments recorded (2025) ·
(508) 410-6717 Dr. Mohit Neema, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-1000 Dr. Molly GallagherWorcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 Dr. Morris Milman, M.D.Worcester, MA · No drug or device payments recorded (2025) ·
(508) 334-2731 Dr. Moustafa Morsi, MDWorcester, MA · $393 in drug and device payments (2025) ·
(508) 363-5000 Dr. Mufaziya Mursheed, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 363-5000 Dr. Muhammad Albanna, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 Dr. Muhammad Haq, MBBS, MDWorcester, MA · No drug or device payments recorded (2025) ·
(508) 334-8515 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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