Oncologists in Massachusetts
Data updated monthly · Last refresh October 2026
425 Medical Oncology providers practice in Massachusetts, including 209 (49%) 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.
425providers
209telehealth
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Medical Oncology by city in Massachusetts
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Medical 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. Cesar Castro, M.D., M.SC.Boston, MA · $24,043 in drug and device payments (2025) · Telehealth ·
(617) 726-2000 Dr. Channing Yu, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 632-3466 Dr. Charlene Mantia, M.D.Boston, MA · $1,440 in drug and device payments (2025) · Telehealth ·
(617) 667-7000 Dr. Charles Dai, MDBoston, MA · $58 in drug and device payments (2025) · Telehealth ·
(617) 724-9557 Dr. Chi-joan HowBoston, MA · $4,334 in drug and device payments (2025) · Telehealth ·
(617) 632-3779 Dr. Christina Herold, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 632-3800 Dr. Christopher Lathan, M.D. M.S. M.P.H.Boston, MA · $2,460 in drug and device payments (2025) · Telehealth ·
(617) 632-6634 Dr. Christopher Manz, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-4500 Dr. Christopher Nabel, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-4000 Dr. Christopher Reilly, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-6170 Dr. Christopher Sweeney, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 632-4524 Dr. Clifton Mo, M.D.Boston, MA · $32,612 in drug and device payments (2025) · Telehealth ·
(617) 732-6089 Dr. Colin Weekes, MDBoston, MA · $15,337 in drug and device payments (2025) · Telehealth ·
(866) 493-1612 Dr. Daniel Haber, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-7805 Dr. Daniel Sentana Lledo, MDBoston, MA · $23 in drug and device payments (2025) · Telehealth ·
(617) 632-3466 Dr. David Braun, M.D., PH.D.Boston, MA · $23,564 in drug and device payments (2025) · Telehealth ·
(617) 732-5500 Dr. David D'adamo, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-5204 Dr. David Fisher, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-4916 Dr. David Jackman, M.D.Boston, MA · $65 in drug and device payments (2025) · Telehealth ·
(617) 632-6646 Dr. David Kwiatkowski, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-5320 Dr. David Liu, MDBoston, MA · $1,516 in drug and device payments (2025) · Telehealth ·
(617) 632-3779 Dr. David Ryan, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-0245 Dr. David Ting, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4000 Dr. David Weinstock, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-4245 Dr. Deepa Rangachari, M.D.Boston, MA · $2,653 in drug and device payments (2025) · Telehealth ·
(617) 667-1580 Dr. Dejan Juric, M.D.Boston, MA · $23,297 in drug and device payments (2025) · Telehealth ·
(617) 724-4000 Dr. Diane M.f. Savarese, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-4827 Dr. Dimitrios Spentzos, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3144 Dr. Dinesh Atwal, M.D.Boston, MA · $87 in drug and device payments (2025) · Telehealth ·
(617) 726-2000 Dr. Dominick BosseBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-5456 Dr. Donald Lawrence, MDBoston, MA · $43 in drug and device payments (2025) · Telehealth ·
(617) 724-4000 Dr. Douglas Micalizzi, MD, PHDBoston, MA · $43 in drug and device payments (2025) · Telehealth ·
(855) 776-4224 Dr. Edwin Choy, MD PHDBoston, MA · $606 in drug and device payments (2025) · Telehealth ·
(617) 724-4000 Dr. Eirini Pectasides, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-2131 Dr. Elad Sharon, M.D.Boston, MA · $228 in drug and device payments (2025) · Telehealth ·
(617) 632-6140 Dr. Elgene Lim, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 632-3000 Dr. Eliezer Vanallen, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-6656 Dr. Elizabeth Buchbinder, M.D.Boston, MA · $12,305 in drug and device payments (2025) · Telehealth ·
(617) 724-4000 Dr. Elizabeth Henske, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-5320 Dr. Elizabeth Lamont, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-1817 Dr. Elizabeth Stover, MD, PHDBoston, MA · $43 in drug and device payments (2025) · Telehealth ·
(617) 632-3779 Dr. Emily Gatof, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-7000 Dr. Emma FinkBoston, MA · No drug or device payments recorded (2025) ·
(585) 216-5801 Dr. Enrica Marchi, M.D, PH. D. Dr. Ephraim Hochberg, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(866) 493-1612 Dr. Eran HodisBoston, MA · No drug or device payments recorded (2025) ·
(877) 518-2619 Dr. Erica Mayer, MD MPHBoston, MA · $85,449 in drug and device payments (2025) ·
(617) 632-3800 Dr. Erica Pimenta, M.D., PH.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-5122 Common questions
How many Medical Oncology providers are in Massachusetts?There are 425 Medical Oncology providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.
Do Medical Oncology providers in Massachusetts offer telehealth?Yes. 209 of the 425 Medical Oncology providers in Massachusetts (about 49%) report offering telehealth services in CMS data.
Which cities in Massachusetts have the most Medical Oncology providers?Boston (342), Weymouth (11), Springfield (9) have the highest concentration of Medical Oncology providers in Massachusetts.
How many Medical Oncology providers in Massachusetts received drug or device company payments?194 of 425 Medical Oncology providers in Massachusetts (46%) 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 Oncologists in Massachusetts work in independent practices or large health systems?Among 280 Oncologists in Massachusetts enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 96% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Oncologists in Massachusetts work at?According to CMS facility affiliation records, the Massachusetts hospitals where the most Oncologists hold privileges are Brigham and Women's Hospital in Boston; Massachusetts General Hospital in Boston; Brigham and Women Faulkner Hospital in Jamaica Plain.
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