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.
Where Hematologists (Internal Medicine) in Massachusetts practice
From CMS Medicare enrollment records covering 73 of the 119 providers listed here (61%). Providers who do not bill Medicare are not included in these figures.
5%solo or small practice (under 10 clinicians)
0%mid-size group (10 to 99)
95%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Hematologists (Internal Medicine) | All clinicians in group | Main city |
| Dana-Farber Cancer Institute, Inc.. | 28 | 671 | Boston |
| Massachusetts General Physicians Organization Inc. | 15 | 3,494 | Boston |
| The General Hospital Corp.oration | 14 | 1,275 | Boston |
| Brigham and Womens Physicians Organization Inc. | 12 | 2,931 | Boston |
| Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc. | 7 | 1,693 | Boston |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Hematologists (Internal Medicine) affiliated |
| Brigham and Women's Hospital | Boston | Nonprofit | 5 of 5 | 45 |
| Massachusetts General Hospital | Boston | Nonprofit | 5 of 5 | 31 |
| Beth Israel Deaconess Medical Center | Boston | Nonprofit | 3 of 5 | 15 |
| Newton-Wellesley Hospital | Newton | Nonprofit | 5 of 5 | 14 |
| North Shore Medical Center - | Salem | Nonprofit | 5 of 5 | 13 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
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. Abraham Zimelman, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(857) 364-4392 Dr. Alfred Tauber, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 638-6428 Dr. Ali Baghian, M.DBoston, MA · $33 in drug and device payments (2025) · Telehealth ·
(617) 632-3446 Dr. Amar Kelkar, M.D.Boston, MA · $356 in drug and device payments (2025) · Telehealth ·
(617) 632-6140 Dr. Amira Barkal, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5775 Dr. Andrew Evens, DO, MSBoston, MA · $5,513 in drug and device payments (2025) ·
(617) 636-8077 Dr. Andrew Song, MDBoston, MA · $109 in drug and device payments (2025) · Telehealth ·
(866) 493-1612 Dr. Arielle Langer, MD, MPHBoston, MA · $4,163 in drug and device payments (2025) · Telehealth ·
(617) 732-5840 Dr. Ariel SiegelBoston, MA · $1,038 in drug and device payments (2025) ·
(617) 632-2832 Dr. Barbara Bierer, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-8990 Dr. Benjamin Ebert, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5190 Dr. Benjamin Puliafito, MDBoston, MA · $2,855 in drug and device payments (2025) · Telehealth ·
(617) 726-2000 Dr. Brianna Bakow, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 Dr. Carolyn Krasner, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 724-3200 Dr. Corey Cutler, M.D.Boston, MA · $81,508 in drug and device payments (2025) ·
(617) 632-5946 Dr. Daniel Ardeljan, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 582-8410 Dr. David Bozym, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2400 Dr. David Fisher, MDBoston, MA · $3,518 in drug and device payments (2025) · Telehealth ·
(617) 632-6844 Dr. David Kuter, MD DPHILBoston, MA · $70,239 in drug and device payments (2025) · Telehealth ·
(617) 724-6193 Dr. David Roth, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 754-1205 Dr. David Smith, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4000 Dr. David Sykes, MD, PHDBoston, MA · $288 in drug and device payments (2025) · Telehealth ·
(617) 724-4000 Dr. Debbie Jiang, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-2000 Dr. Douglas Faller, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 638-6428 Dr. Duyen Ngo, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 638-6428 Dr. Edward Benz, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-4266 Dr. Eejung Kim, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-3000 Dr. Elisabeth Battinelli, M.D.Boston, MA · $43 in drug and device payments (2025) · Telehealth ·
(617) 355-9090 Dr. Francois Mercier, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 529-2461 Dr. Geon Kim, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-7939 Dr. George Daley, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 919-2013 Dr. Giada Bianchi, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 732-5500 Dr. Hari Raman, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-6140 Dr. Heather Benjamin, M.D.Boston, MA · $396 in drug and device payments (2025) · Telehealth ·
(978) 882-6060 Dr. Hedy Smith, M.D.Boston, MA · $2,567 in drug and device payments (2025) · Telehealth ·
(617) 638-6428 Dr. Irene Kuter, MD DPHILBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-6500 Dr. Jacalyn Rosenblatt, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-9920 Dr. Jagar Jasem, MD,MPHBoston, MA · $87 in drug and device payments (2025) · Telehealth ·
(617) 726-2000 Dr. James Cunningham, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 355-9058 Dr. James Doolin, M.D.Boston, MA · $436 in drug and device payments (2025) · Telehealth ·
(617) 667-7000 Dr. James Levine, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-9235 Dr. Jason Freed, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-7000 Dr. Jean Connors, MDBoston, MA · $35,479 in drug and device payments (2025) · Telehealth ·
(617) 525-9337 Dr. Jennifer Brown, MD PHDBoston, MA · $18,625 in drug and device payments (2025) · Telehealth ·
(617) 632-4894 Dr. Jerome Ritz, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 632-3465 Dr. Jessica Liegel, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-2100 Dr. Joan Goldberg, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 421-5950 Dr. John Gansner, M.D./PH.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 632-3779 Dr. John Koreth, MBBS DPHILBoston, MA · $4,973 in drug and device payments (2025) ·
(617) 632-2949 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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