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Nephrologists in Massachusetts

Data updated monthly · Last refresh October 2026

417 Nephrology providers practice in Massachusetts, including 150 (36%) 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.

417providers
150telehealth
Bostontop city

Nephrology by city in Massachusetts

Choose a city to see providers there.

Nephrology in Boston206 providers
Nephrology in Worcester42 providers
Nephrology in Springfield17 providers
Nephrology in Burlington14 providers
Nephrology in Fall River8 providers
Nephrology in West Springfield7 providers
Nephrology in Brighton6 providers
Nephrology in Cambridge6 providers
Nephrology in Peabody6 providers
Nephrology in Brockton6 providers
Nephrology in Plymouth5 providers
Nephrology in Pittsfield5 providers
Nephrology in Newton5 providers
Nephrology in Beverly5 providers
Nephrology in Woburn4 providers
Nephrology in Greenfield4 providers
Nephrology in Leominster4 providers
Nephrology in West Roxbury3 providers
Nephrology in Norwood3 providers
Nephrology in Lawrence3 providers
Nephrology in Fairhaven3 providers
Nephrology in Concord3 providers
Nephrology in Lexington2 providers
Nephrology in Waltham2 providers

Nephrology 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. Matthew Niemi, M.D.
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 856-3155
Dr. Matthew Trainor, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 856-3155
Dr. Neeraj Jain, M.D
Worcester, MA · $14 in drug and device payments (2025) · Telehealth · (508) 363-5000
Dr. Nicholas Quarshie, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 856-3155
Dr. Nishanth Girija Kumar, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 363-6208
Dr. Onica Washington, MD, PHD
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 334-3155
Dr. Pang-yen Fan, M.D.
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 856-3155
Dr. Ravinder Wali, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-3155
Dr. Ritu Soni, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 755-9535
Dr. Rohit Vakil, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 755-3139
Dr. Sonia Kamath, M.D.
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 363-5000
Dr. Sul A Lee, MD
Worcester, MA · $257 in drug and device payments (2025) · (508) 334-3155
Dr. Suzanne Martin, M.D.
Worcester, MA · No drug or device payments recorded (2025) · Telehealth · (508) 363-6126
Dr. Xavier Vela Parada, MD
Worcester, MA · $4,034 in drug and device payments (2025) · Telehealth · (508) 334-3155
Dr. Robert Black, MD
Worcestor, MA · No drug or device payments recorded (2025) · (508) 363-6126
Dr. James Reimer, MD
Yarmouth Port, MA · $0 in drug and device payments (2025) · (508) 778-0375
Dr. Melanie Greenan, MD
Yarmouth Port, MA · $702 in drug and device payments (2025) · (508) 778-0375

Conditions Nephrology providers in Massachusetts commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Nephrology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Nephrology providers are in Massachusetts?

There are 417 Nephrology providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.

Do Nephrology providers in Massachusetts offer telehealth?

Yes. 150 of the 417 Nephrology providers in Massachusetts (about 36%) report offering telehealth services in CMS data.

Which cities in Massachusetts have the most Nephrology providers?

Boston (206), Worcester (42), Springfield (17) have the highest concentration of Nephrology providers in Massachusetts.

How many Nephrology providers in Massachusetts received drug or device company payments?

184 of 417 Nephrology providers in Massachusetts (44%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Nephrology providers in Massachusetts treat?

Nephrology providers commonly treat chronic kidney disease, kidney stones, dialysis care, high blood pressure 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 Nephrologists in Massachusetts work in independent practices or large health systems?

Among 274 Nephrologists in Massachusetts enrolled in Medicare, 15% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 78% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Nephrologists in Massachusetts work at?

According to CMS facility affiliation records, the Massachusetts hospitals where the most Nephrologists hold privileges are Brigham and Women's Hospital in Boston; Massachusetts General Hospital in Boston; North Shore Medical Center - in Salem.

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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. Are you a Nephrology in Massachusetts? Get featured.