Hematologists (Internal Medicine) in Maryland
Data updated monthly · Last refresh October 2026
33 Hematology (Internal Medicine) providers practice in Maryland, including 5 (15%) offering telehealth. The largest concentration is in Bethesda. 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.
33providers
5telehealth
Bethesdatop city
Hematology (Internal Medicine) by city in Maryland
Choose a city to see providers there.
Where Hematologists (Internal Medicine) in Maryland practice
From CMS Medicare enrollment records covering 10 of the 33 providers listed here (30%). Providers who do not bill Medicare are not included in these figures.
Largest practice groups
| Group (as registered with Medicare) | Hematologists (Internal Medicine) | All clinicians in group | Main city |
| Johns Hopkins University | 6 | 2,886 | Baltimore |
| Johns Hopkins University | 2 | 711 | Baltimore |
| University of Maryland Oncology Associates PA | 2 | 61 | Baltimore |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Hematologists (Internal Medicine) affiliated |
| Johns Hopkins Hospital, the | Baltimore | Nonprofit | 5 of 5 | 7 |
| Johns Hopkins Bayview Medical Center | Baltimore | Nonprofit | 3 of 5 | 6 |
| University of Maryland Medical Center | Baltimore | Nonprofit | 3 of 5 | 2 |
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 Maryland
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. Aaron Rapoport, M.D.Baltimore, MD · $56 in drug and device payments (2025) ·
(410) 328-1230 Dr. Alison Moliterno, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-3142 Dr. Charlotte Story, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5000 Dr. Devika AgrawalBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-3350 Dr. Djordje Atanackovic, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 706-1946 Dr. Gloria Gerber, M.D.Baltimore, MD · $12,152 in drug and device payments (2025) ·
(212) 746-9663 Dr. Jennifer Yui, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(443) 287-4675 Dr. Jerry Spivak, M.D.Baltimore, MD · $7,875 in drug and device payments (2025) ·
(410) 955-3142 Dr. John Nesbitt, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 323-2757 Dr. Max Brodsky, MDBaltimore, MD · $305 in drug and device payments (2025) · Telehealth ·
(410) 653-4002 Dr. Michael Cole, PHDBaltimore, MD · $93 in drug and device payments (2025) ·
(410) 955-5000 Dr. Rakhi Naik, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 955-9795 Dr. Robert Brodsky, M.D.Baltimore, MD · $12,053 in drug and device payments (2025) ·
(410) 955-8964 Dr. Adrian WiestnerBethesda, MD · $55 in drug and device payments (2025) ·
(301) 594-6855 Dr. Andre Larochelle, MD, PHDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 814-8289 Dr. Arun Shet, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 827-6631 Dr. Bruce Cheson, MDBethesda, MD · $2,323 in drug and device payments (2025) ·
(301) 571-0019 Dr. Charles Bolan, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 451-7099 Dr. Cynthia Dunbar, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-5093 Dr. Daniel Godwin Wright, M.D.Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 594-7714 Dr. Emma Groarke, MDBethesda, MD · No drug or device payments recorded (2025) ·
(202) 856-2571 Dr. Griffin Rodgers, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-5741 Dr. James Kochenderfer, MDBethesda, MD · No drug or device payments recorded (2025) ·
(240) 760-6062 Dr. Jay Lozier, MD, PHDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-3170 Dr. Jeffery Miller, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 480-1908 Dr. Margaret Rick, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 469-4986 Dr. Neal Young, M.D.Bethesda, MD · $202 in drug and device payments (2025) ·
(301) 496-5093 Dr. Swee Lay Thein, MDBethesda, MD · No drug or device payments recorded (2025) ·
(301) 648-0178 Dr. Xing FanBethesda, MD · No drug or device payments recorded (2025) ·
(301) 496-4000 Dr. Gerald Marti, MD, PHDPotomac, MD · No drug or device payments recorded (2025) ·
(301) 706-4399 Dr. Harvey Klein, M.D.Potomac, MD · $7,750 in drug and device payments (2025) ·
(240) 631-6638 Dr. Ann Farrell, M.D.Silver Spring, MD · No drug or device payments recorded (2025) ·
(301) 796-2330 Dr. Edvardas Kaminskas, M.D.Silver Spring, MD · No drug or device payments recorded (2025) ·
(301) 796-1383 Common questions
How many Hematology (Internal Medicine) providers are in Maryland?There are 33 Hematology (Internal Medicine) providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Hematology (Internal Medicine) providers in Maryland offer telehealth?Yes. 5 of the 33 Hematology (Internal Medicine) providers in Maryland (about 15%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Hematology (Internal Medicine) providers?Bethesda (16), Baltimore (13), Potomac (2) have the highest concentration of Hematology (Internal Medicine) providers in Maryland.
How many Hematology (Internal Medicine) providers in Maryland received drug or device company payments?10 of 33 Hematology (Internal Medicine) providers in Maryland (30%) 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.
Which hospitals do Hematologists (Internal Medicine) in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most Hematologists (Internal Medicine) hold privileges are Johns Hopkins Hospital, the in Baltimore; Johns Hopkins Bayview Medical Center in Baltimore; University of Maryland Medical Center in Baltimore.
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