HealthcareDiscovery.AI / Doctors / Massachusetts / Boston / Internal Medicine

Internal Medicine in Boston, Massachusetts

Data updated monthly · Last refresh September 2026

2,322 Internal Medicine providers practice in Boston, and 17% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Boston

Listed alphabetically. 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. Yuheng Ruan, M.D.
Boston, MA · $51 in drug and device payments (2025) · (617) 636-4155
Dr. Yu-lin Hsieh, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 732-5500
Dr. Yung Chyung, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 726-3850
Dr. Yung-hsien Wang
Boston, MA · No drug or device payments recorded (2025) · (617) 732-5500
Dr. Yun Lam, M.D.
Boston, MA · No drug or device payments recorded (2025) · (617) 636-8871
Dr. Yushan Wang, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 724-3874
Dr. Zachary Hermes, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 732-5500
Dr. Zachary Kassir
Boston, MA · No drug or device payments recorded (2025) · (330) 933-8070
Dr. Zachary Liao, MD, MPH, MS
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 421-1000
Dr. Zachary Roberts, MD, PHD
Boston, MA · No drug or device payments recorded (2025) · (617) 726-2862
Dr. Zachary Strasser
Boston, MA · No drug or device payments recorded (2025) · (617) 726-7930
Dr. Zach Highley-gergel, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 636-5000
Dr. Zahir Kanjee-khoja, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 732-5500
Dr. Zara Latif, MD
Boston, MA · $145 in drug and device payments (2025) · (617) 667-7000
Dr. Zhuo Liu, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 732-6040
Dr. Ziad Qadadeh, MD., BCH., BAO
Boston, MA · No drug or device payments recorded (2025) · (617) 789-2386
Dr. Zirui Song, MD, PHD
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 726-2865
Dr. Zita Chan, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 414-5951
Dr. Zixi Liao
Boston, MA · No drug or device payments recorded (2025) · (617) 726-2000
Dr. Zoe Weinstein, MD
Boston, MA · No drug or device payments recorded (2025) · (617) 414-5951
Dr. Zohaib Ahmed
Boston, MA · No drug or device payments recorded (2025) · (617) 525-8281
Dr. Zsu-zsu Chen, M.D.
Boston, MA · No drug or device payments recorded (2025) · Telehealth · (617) 667-9344

Conditions Internal Medicine providers in Boston, 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.

Common questions

How many Internal Medicine providers are in Boston, Massachusetts?

There are 2,322 Internal Medicine providers with active NPI records practicing in Boston, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Boston received drug or device company payments?

395 of 2,322 (17%) 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 Boston treat?

Internal Medicine providers in Boston 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 records 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.

All specialties in Boston Internal Medicine across Massachusetts

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.