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. Nicolas Isaza Valencia, MDBoston, MA · $1,959 in drug and device payments (2025) ·
(617) 667-7000 Dr. Nicole Campion Dialo, MDBoston, MA · $41 in drug and device payments (2025) · Telehealth ·
(617) 414-5951 Dr. Nicole Leggiero, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Nicole Malouf, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-2672 Dr. Nicole Tilluckdharry, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 636-8932 Dr. Nicolette Fontaine, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-8050 Dr. Nicolette Oleng, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5951 Dr. Nii Tetteh, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2707 Dr. Nikhil Wagle, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Nilay Patel, MDBoston, MA · $5,280 in drug and device payments (2025) · Telehealth ·
(617) 726-2865 Dr. Nil RawalBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Nina Chalfin, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Nina Jain, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 Dr. Nina Sanford, M.D.Boston, MA · $2,350 in drug and device payments (2025) · Telehealth ·
(617) 732-5500 Dr. Niraj Sharma, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 525-7278 Dr. Nirupa Gadi, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7399 Dr. Nishant UppalBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3874 Dr. Niteesh Choudhry, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-8003 Dr. Nobuko Kuhn, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 267-8685 Dr. Nora Abo-sido, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4133 Dr. Nora Hutchinson, M.D.,C.MBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-0604 Dr. Nora Osman, MDBoston, MA · $1,418 in drug and device payments (2025) · Telehealth ·
(857) 307-4100 Dr. Norianne Martinez-viotaBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Norma Zack, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 262-0478 Dr. Nupur JainBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Nyssa Melendez Rios, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Obaid Ur Rehman, M.B.B.S.Boston, MA · No drug or device payments recorded (2025) ·
(667) 381-9114 Dr. Oemer-necmi Goek, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-3456 Dr. Olga Smulders Meyer, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-6700 Dr. Oliver Clark, MB BCH BAOBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Olivia Kahn-boesel, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Olivia Rowse, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 638-7259 Dr. Omar Abdel-wahab, M.D.Boston, MA · $5,864 in drug and device payments (2025) ·
(617) 726-7930 Dr. Omar Khan, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2000 Dr. Omkar Vaidya, M.D.Boston, MA · $415 in drug and device payments (2025) · Telehealth ·
(617) 513-8568 Dr. Om KothariBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Omolabake Alabi, MBBS; MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Oneil Britton, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 278-0055 Dr. Opeyemi Olabisi, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2862 Dr. Orvar Gunnarsson, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 414-5951 Dr. Osama KhalidBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Oscar Reyes Gaido, MD, PHD Dr. Oseiwe Eromosele, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 414-5405 Dr. Osman Sharif, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Ottavio Nardone, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 227-5201 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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