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Hematologists (Internal Medicine) in Massachusetts

Data updated monthly · Last refresh October 2026

119 Hematology (Internal Medicine) providers practice in Massachusetts, including 54 (45%) 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.

119providers
54telehealth
Bostontop city

Hematology (Internal Medicine) by city in Massachusetts

Choose a city to see providers there.

Hematology (Internal Medicine) in Boston94 providers
Hematology (Internal Medicine) in Burlington6 providers
Hematology (Internal Medicine) in Springfield4 providers
Hematology (Internal Medicine) in Worcester3 providers
Hematology (Internal Medicine) in Northampton2 providers
Hematology (Internal Medicine) in Brighton1 providers
Hematology (Internal Medicine) in Mattapan1 providers
Hematology (Internal Medicine) in Chelmsford1 providers
Hematology (Internal Medicine) in Millis1 providers
Hematology (Internal Medicine) in Gloucester1 providers
Hematology (Internal Medicine) in Cambridge1 providers
Hematology (Internal Medicine) in Danvers1 providers
Hematology (Internal Medicine) in Jamaica Plain1 providers
Hematology (Internal Medicine) in Milford1 providers
Hematology (Internal Medicine) in Waltham1 providers

Hematology (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. Tarun Kewalramani, MD
Burlington, MA · $3,940 in drug and device payments (2025) · Telehealth · (781) 744-8400
Dr. Burt Alan Adelman, M.D.
Cambridge, MA · No drug or device payments recorded (2025) · (617) 679-2775
Dr. Alden Gagnon, M.D.
Chelmsford, MA · No drug or device payments recorded (2025) · (978) 256-4121
Dr. Daniel Finger, M.D.
Danvers, MA · No drug or device payments recorded (2025) · Telehealth · (617) 286-3631
Dr. Thomas Smith, MD
Gloucester, MA · No drug or device payments recorded (2025) · (978) 281-1500
Dr. Daniel Deykin, M.D.
Jamaica Plain, MA · No drug or device payments recorded (2025) · (617) 232-2143
Dr. Georgette Jeanty, M.D.
Mattapan, MA · No drug or device payments recorded (2025) · (617) 298-0156
Dr. Michael Constantine, M.D.
Milford, MA · $43 in drug and device payments (2025) · Telehealth · (508) 478-2061
Dr. Luzbella Southard, M.D.
Millis, MA · No drug or device payments recorded (2025) · (508) 376-0114
Dr. Alan Tseng, MD, PHD
Northampton, MA · $167 in drug and device payments (2025) · Telehealth · (413) 582-2900
Dr. Lois Kamugisha
Northampton, MA · $29 in drug and device payments (2025) · Telehealth · (413) 582-2900
Dr. Chandravathi Loke, MD
Springfield, MA · $46 in drug and device payments (2025) · Telehealth · (413) 794-9338
Dr. Doyun Park, M.D.
Springfield, MA · No drug or device payments recorded (2025) · (413) 794-9338
Dr. John Mccann, MD
Springfield, MA · No drug or device payments recorded (2025) · Telehealth · (413) 794-9338
Dr. Richard Steingart, MD
Springfield, MA · $6,769 in drug and device payments (2025) · Telehealth · (413) 794-9338
Dr. Mary Paula Lutz, M.D.
Waltham, MA · No drug or device payments recorded (2025) · (781) 434-4562
Dr. Arthur Church, M.D.
Worcester, MA · No drug or device payments recorded (2025) · (508) 753-5487
Dr. Rachel Borson, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-3550
Dr. Robert Weinstein, MD
Worcester, MA · No drug or device payments recorded (2025) · (508) 334-3725

Common questions

How many Hematology (Internal Medicine) providers are in Massachusetts?

There are 119 Hematology (Internal Medicine) providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.

Do Hematology (Internal Medicine) providers in Massachusetts offer telehealth?

Yes. 54 of the 119 Hematology (Internal Medicine) providers in Massachusetts (about 45%) report offering telehealth services in CMS data.

Which cities in Massachusetts have the most Hematology (Internal Medicine) providers?

Boston (94), Burlington (6), Springfield (4) have the highest concentration of Hematology (Internal Medicine) providers in Massachusetts.

How many Hematology (Internal Medicine) providers in Massachusetts received drug or device company payments?

53 of 119 Hematology (Internal Medicine) providers in Massachusetts (45%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Hematologists (Internal Medicine) in Massachusetts work in independent practices or large health systems?

Among 73 Hematologists (Internal Medicine) in Massachusetts enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 95% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Hematologists (Internal Medicine) in Massachusetts work at?

According to CMS facility affiliation records, the Massachusetts hospitals where the most Hematologists (Internal Medicine) 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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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 Hematology (Internal Medicine) in Massachusetts? Get featured.