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. Katelyn Pastick, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Katharine Treadway, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2674 Dr. Katherine Brooks, MDBoston, MA · No drug or device payments recorded (2025) ·
(415) 516-2551 Dr. Katherine Fair, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 638-7480 Dr. Katherine Johnston, M.D., M.A., M.SC.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-4900 Dr. Katherine Lantsman, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 948-2577 Dr. Katherine Morgan, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 Dr. Katherine RichBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Katherine Rose, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 Dr. Katherine Takvorian, MD,MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-0596 Dr. Katherine Wrenn, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 754-9600 Dr. Kathleen Cheng, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Kathleen Crowley, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Kathleen Finn, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-4053 Dr. Kathleen Jenkins, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Kathleen Kennedy Mccarey, NPBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-9912 Dr. Kathleen Mcfadden, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-0596 Dr. Kathleen Oakes, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Kathleen Powis, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-7782 Dr. Kathryn Britton, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-6896 Dr. Kathryn Corelli, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 Dr. Kathryn Hayward, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-8059 Dr. Kathryn Hibbert, M.D. Dr. Kathryn Malakorn-lew, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-6040 Dr. Kathryn Rexrode, MDBoston, MA · $5,307 in drug and device payments (2025) ·
(671) 732-6315 Dr. Kathy Tran, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-0596 Dr. Katie Baird, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-6610 Dr. Katie Famous, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2865 Dr. Katie Li, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 638-6428 Dr. Kavita Sharma, MDBoston, MA · $160 in drug and device payments (2025) · Telehealth ·
(617) 638-7470 Dr. Kayla Zomlefer, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Kaynat Khalid, DOBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Kay Petersen, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-9600 Dr. Kaysia Ludford, M.D.Boston, MA · $22 in drug and device payments (2025) · Telehealth ·
(617) 732-5500 Dr. Keith Romano, M.D./PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Kelly Agarwal, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Kelly Buchanan, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 243-2261 Dr. Kelly Ford, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-9600 Dr. Kelly GrahamBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-9600 Dr. Kelly Hathorn, M.D.Boston, MA · $179 in drug and device payments (2025) · Telehealth ·
(617) 732-5500 Dr. Kelly O'hara, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 638-6500 Dr. Kelly Schuering, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5951 Dr. Kelly SkrableBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 Dr. Kenneth Freedberg, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3906 Dr. Kenneth Hung, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-6113 Dr. Kenneth Luna, D.O.Boston, MA · No drug or device payments recorded (2025) ·
(617) 204-0200 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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