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. Michael Lorinsky, MDBoston, MA · No drug or device payments recorded (2025) ·
(860) 367-3969 Dr. Michael Mannstadt, MDBoston, MA · $40,163 in drug and device payments (2025) · Telehealth ·
(617) 726-8720 Dr. Michael Mansour, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2066 Dr. Michael Mendelsohn, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-9370 Dr. Michael Miller, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-9600 Dr. Michael Moskowitz, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-8442 Dr. Michael Nelson, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 492-3500 Dr. Michael O'donnell, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-8680 Dr. Michael OhligerBoston, MA · $14,774 in drug and device payments (2025) ·
(617) 525-6841 Dr. Michael Paasche-orlow, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Michael Peluso, MDBoston, MA · $1,676 in drug and device payments (2025) ·
(617) 732-5500 Dr. Michael Picard, MDBoston, MA · $1,000 in drug and device payments (2025) ·
(617) 724-7738 Dr. Michael PostowBoston, MA · $5,640 in drug and device payments (2025) · Telehealth ·
(617) 525-6841 Dr. Michael Rosamilia, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Michael Schwartz, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Michael Senter-zapataBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Michael Talanian, MDBoston, MA · $2,872 in drug and device payments (2025) ·
(617) 636-5000 Dr. Michael Thane, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-9600 Dr. Michael Wilson, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2000 Dr. Michela TuftsBoston, MA · No drug or device payments recorded (2025) ·
(617) 654-7200 Dr. Michele Trucksis, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3812 Dr. Michelle AhnBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3842 Dr. Michelle Berning, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5775 Dr. Michelle Holmes, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 525-2279 Dr. Michelle L'heureux, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(800) 711-4644 Dr. Michelle MartinchekBoston, MA · No drug or device payments recorded (2025) ·
(617) 232-9500 Dr. Michelle Morreale-karl, MDBoston, MA · No drug or device payments recorded (2025) ·
(800) 865-3384 Dr. Michelle Morse, MDBoston, MA · No drug or device payments recorded (2025) ·
(215) 260-2848 Dr. Michelle Silver, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 754-9600 Dr. Mieko Fukui, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3850 Dr. Miguel Algara, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Mihir Kamdar, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-8810 Dr. Mihir Parikh, M.D.Boston, MA · $23,694 in drug and device payments (2025) · Telehealth ·
(617) 726-2862 Dr. Minh Phan, MDBoston, MA · $32 in drug and device payments (2025) · Telehealth ·
(617) 732-5500 Dr. Minh Quang Thuan Tran, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 789-3000 Dr. Minping Liu, M.D.Boston, MA · $143 in drug and device payments (2025) · Telehealth ·
(617) 482-7555 Dr. Miqdad Dafaallah, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Mirai Matsuura, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-0707 Dr. Mira Kautzky, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 724-0646 Dr. Miranda Adelmann, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2000 Dr. Mira Yang, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Mirghani Ali, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Miriam Barshak, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2000 Dr. Miriam Frisch, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Miriam Haverkamp, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-7001 Dr. Miriam Nathan, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Misha Dad, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 636-5000 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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