Hematologists and Oncologists in Massachusetts
Data updated monthly · Last refresh October 2026
458 Hematology & Oncology providers practice in Massachusetts, including 231 (50%) 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.
458providers
231telehealth
Bostontop city
Hematology & Oncology by city in Massachusetts
Choose a city to see providers there.
Hematology & Oncology 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. Jessica Zerillo, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-2100 Dr. Jiyuan SunBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 636-5000 Dr. Joan Sully, NPBoston, MA · No drug or device payments recorded (2025) ·
(617) 421-5950 Dr. John ClarkBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4000 Dr. John Hilton, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-6992 Dr. John Manis, M.D.Boston, MA · $41,082 in drug and device payments (2025) ·
(617) 919-2618 Dr. Jonathan Berry, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-7000 Dr. Jonathan Eneman, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(603) 742-8787 Dr. Jordan Wengrod, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 632-3000 Dr. Jose Acevedo Mejia, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 638-6428 Dr. Joseph Grossman, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. J Paul Marcoux, MDBoston, MA · $60 in drug and device payments (2025) · Telehealth ·
(617) 632-3468 Dr. Judy Garber, M.D.Boston, MA · $43 in drug and device payments (2025) · Telehealth ·
(617) 632-5770 Dr. Julia Pimkina, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-3000 Dr. Julio Hajdenberg, MDBoston, MA · $1,913 in drug and device payments (2025) · Telehealth ·
(617) 232-9500 Dr. Justin Simmons, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 632-3000 Dr. Kamaneh Montazeri, M.D.Boston, MA · $43 in drug and device payments (2025) · Telehealth ·
(617) 724-4000 Dr. Karim Abou-nassar, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-4061 Dr. Kartik Sehgal, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-3090 Dr. Kathleen Mahoney, M.D.Boston, MA · $26 in drug and device payments (2025) · Telehealth ·
(617) 735-2063 Dr. Keith Stuart, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-9235 Dr. Kelly BurkeBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4000 Dr. Kevin Barnum, MD, PHDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-9920 Dr. Kimmie Ng, MDBoston, MA · $20,883 in drug and device payments (2025) · Telehealth ·
(617) 632-4150 Dr. K. Vanasse, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5840 Dr. Larissa Bornikova, M.D.Boston, MA · $7,311 in drug and device payments (2025) · Telehealth ·
(617) 726-5130 Dr. Lauren Dias, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-7386 Dr. Leena Gandhi, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-6049 Dr. Leonard Zon, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 919-2069 Dr. Lori Pai, M.D.Boston, MA · $78 in drug and device payments (2025) · Telehealth ·
(617) 636-8148 Dr. Louis Fiore, M.D., M.P.H.Boston, MA · No drug or device payments recorded (2025) ·
(857) 364-4201 Dr. Lourdes Mendez, M.D.Boston, MA · $1,366 in drug and device payments (2025) · Telehealth ·
(617) 667-2189 Dr. Lowell Schnipper, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-1198 Dr. Maitreyi Sharma, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 421-5950 Dr. Malgorzata McmastersBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2000 Dr. Mandira Ray, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 421-8726 Dr. Marc Garnick, M.D.Boston, MA · $27,000 in drug and device payments (2025) · Telehealth ·
(617) 667-5288 Dr. Marcia Browne, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-4269 Dr. Marcus Butler, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-2334 Dr. Mariam Markouli, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Mark Goldberg, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Mary Brophy, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 232-9500 Dr. Matthew Davids, M.D.Boston, MA · $73,100 in drug and device payments (2025) · Telehealth ·
(617) 632-3000 Dr. Matthew Frigault, MDBoston, MA · $13,051 in drug and device payments (2025) ·
(617) 724-4000 Dr. Matthew Vanderheiden, MD PHDBoston, MA · $48,250 in drug and device payments (2025) ·
(617) 724-2241 Dr. Matthew Weinstock, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-9920 Dr. Maureen Achebe, MD, MPHBoston, MA · $129 in drug and device payments (2025) · Telehealth ·
(617) 732-5048 Dr. Meghan Mooradian, M.D.Boston, MA · $43 in drug and device payments (2025) · Telehealth ·
(617) 724-4000 Conditions Hematology & Oncology providers in Massachusetts commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.
- Breast cancer
- Lung cancer
- Lymphoma
- Leukemia
- Anemia
- Blood disorders
Common questions
How many Hematology & Oncology providers are in Massachusetts?There are 458 Hematology & Oncology providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.
Do Hematology & Oncology providers in Massachusetts offer telehealth?Yes. 231 of the 458 Hematology & Oncology providers in Massachusetts (about 50%) report offering telehealth services in CMS data.
Which cities in Massachusetts have the most Hematology & Oncology providers?Boston (233), Worcester (46), Springfield (18) have the highest concentration of Hematology & Oncology providers in Massachusetts.
How many Hematology & Oncology providers in Massachusetts received drug or device company payments?176 of 458 Hematology & Oncology providers in Massachusetts (38%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Hematology & Oncology providers in Massachusetts treat?Hematology & Oncology providers commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia 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 Hematologists and Oncologists in Massachusetts work in independent practices or large health systems?Among 280 Hematologists and Oncologists in Massachusetts enrolled in Medicare, 1% bill through a solo or small practice with fewer than 10 clinicians, 2% through a mid-size group of 10 to 99, and 97% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists and Oncologists in Massachusetts work at?According to CMS facility affiliation records, the Massachusetts hospitals where the most Hematologists and Oncologists 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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