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Healthcare Providers in Massachusetts

Find doctors, hospitals, and clinics in Massachusetts from the official NPPES NPI Registry. We found 183 providers in this listing.

183 Providers Found Data from NPPES NPI Registry Updated 2026
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All Providers Doctors Hospitals & Clinics
Showing 1–15 of 183 providers
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Individual (NPI-1) Active

SEEMA ADHAMI M.D.

Psychiatry & Neurology, Neurology

📍55 LAKE AVE N, WORCESTER, MA, 01655

📞 774-441-8084

NPI: 1639169063

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Individual (NPI-1) Active

JOSNA ADUSUMILLI MD

Psychiatry & Neurology, Sleep Medicine

📍85 PRESCOTT ST, WORCESTER, MA, 01605

📞 508-793-4900

NPI: 1568663789

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Individual (NPI-1) Active

PAYAM AGHASSI MD

Internal Medicine, Pulmonary Disease

📍50 MEMORIAL DRIVE, LEOMINSTER, MA, 01453

📞 978-466-2692

NPI: 1093704298

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Individual (NPI-1) Active

ANJALI AHN M.D.

Internal Medicine, Sleep Medicine

📍330 BROOKLINE AVE, BOSTON, MA, 02215

📞 617-667-5864

NPI: 1467566182

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Individual (NPI-1) Active

ROBERT M AISENBERG MD

Internal Medicine, Pulmonary Disease

📍1030 PRESIDENT AVE, FALL RIVER, MA, 02720

📞 508-973-1780

NPI: 1154488492

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Individual (NPI-1) Active

ROBERT RAE AJELLO MD

Internal Medicine, Pulmonary Disease

📍164 HIGH ST, GREENFIELD, MA, 01301

📞 413-773-2840

NPI: 1518930916

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Individual (NPI-1) Active

KONSTANTINOS-DIONYSI ALYSANDRATOS M.D.

Internal Medicine, Pulmonary Disease

📍725 ALBANY ST, #9B, BOSTON, MA, 02118

📞 617-638-7480

NPI: 1770882151

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Individual (NPI-1) Active

AMIT NARENDRA ANAND M.D.

Internal Medicine, Sleep Medicine

📍77 WARREN ST, BOSTON, MA, 02135

📞 617-789-2545

NPI: 1528099447

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Individual (NPI-1) Active

ESSAM ANSARI M.D.

Internal Medicine, Pulmonary Disease

📍70 EAST ST, METHUEN, MA, 01844

📞 781-600-7599

NPI: 1992812572

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Individual (NPI-1) Active

SOHAIB ANSARI MD

Internal Medicine, Sleep Medicine

📍375 WAMPANOAG TRL, RIVERSIDE, RI, 02915

📞 401-649-4070

NPI: 1437675287

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Individual (NPI-1) Active

URSULA E. ANWER MD

Psychiatry & Neurology, Neurology

📍119 BELMONT ST, WORCESTER, MA, 01605

📞 508-334-6641

NPI: 1689658734

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Individual (NPI-1) Active

KATHLEEN M ARAS-RICHARD MD

Internal Medicine, Pulmonary Disease

📍94 MENDON STREET, HOPEDALE, MA, 01747

📞 508-482-5401

NPI: 1710908397

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Individual (NPI-1) Active

SANDEEP AREPALLY MD

Internal Medicine, Pulmonary Disease

📍800 WASHINGTON ST, BOSTON, MA, 02111

📞 617-636-7689

NPI: 1366738387

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Individual (NPI-1) Active

THERESA J ARPIN MD

Internal Medicine, Pulmonary Disease

📍94 MENDON RD, HOPEDALE, MA, 01747

📞 508-482-5401

NPI: 1770700288

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Individual (NPI-1) Active

WASSIM ASSAF MD

Internal Medicine, Sleep Medicine

📍48 AUBURN ST STE 1, AUBURN, MA, 01501

📞 774-772-7058

NPI: 1548400278

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🗺 Cities in Massachusetts

📍 Boston 📍 Worcester 📍 Springfield 📍 Cambridge 📍 Lowell 📍 Brockton 📍 Lynn 📍 New Bedford 📍 Fall River 📍 Quincy 📍 Lawrence 📍 Newton 📍 Somerville 📍 Framingham 📍 Haverhill 📍 Waltham 📍 Malden 📍 Brookline 📍 Plymouth 📍 Medford

📊 Quick Stats

Providers Listed 183
Cities Found 20
State Massachusetts
Source NPPES NPI Registry

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Healthcare in Massachusetts

Massachusetts has one of the most advanced healthcare systems in the world, home to globally recognized academic medical centers and a long history of healthcare innovation. Massachusetts General Hospital (MGH) in Boston is consistently ranked as one of the top hospitals in the United States and is affiliated with Harvard Medical School. Other world-renowned Boston institutions include Brigham and Women's Hospital, Boston Children's Hospital, Dana-Farber Cancer Institute, Beth Israel Deaconess Medical Center, and Tufts Medical Center. UMass Memorial Medical Center in Worcester is the state's second-largest academic medical center.

Massachusetts was the first state in the nation to achieve near-universal health coverage, passing the landmark Massachusetts Health Care Reform Act in 2006 — a model that influenced the Affordable Care Act. The state's Medicaid program, MassHealth, covers over 2 million residents, and the state operates Massachusetts Health Connector (mahealthconnector.org) as its ACA marketplace.

The Massachusetts Department of Public Health (DPH) (mass.gov/dph) oversees public health programs and healthcare facility licensing. The Massachusetts Board of Registration in Medicine (mass.gov/bornim) licenses physicians and provides online verification.

Frequently Asked Questions — Massachusetts Healthcare