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Hematologists and Oncologists in Maryland

Data updated monthly · Last refresh October 2026

320 Hematology & Oncology providers practice in Maryland, including 123 (38%) offering telehealth. The largest concentration is in Baltimore. 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.

320providers
123telehealth
Baltimoretop city

Hematology & Oncology by city in Maryland

Choose a city to see providers there.

Hematology & Oncology in Baltimore100 providers
Hematology & Oncology in Bethesda68 providers
Hematology & Oncology in Rockville18 providers
Hematology & Oncology in Frederick15 providers
Hematology & Oncology in Salisbury13 providers
Hematology & Oncology in Hagerstown10 providers
Hematology & Oncology in Annapolis10 providers
Hematology & Oncology in Clinton8 providers
Hematology & Oncology in Silver Spring6 providers
Hematology & Oncology in Glen Burnie6 providers
Hematology & Oncology in Greenbelt6 providers
Hematology & Oncology in Bel Air6 providers
Hematology & Oncology in Towson6 providers
Hematology & Oncology in Olney5 providers
Hematology & Oncology in Columbia4 providers
Hematology & Oncology in Easton4 providers
Hematology & Oncology in Cumberland3 providers
Hematology & Oncology in Prince Frederick3 providers
Hematology & Oncology in Waldorf3 providers
Hematology & Oncology in Upper Marlboro3 providers
Hematology & Oncology in Berlin2 providers
Hematology & Oncology in Westminster2 providers
Hematology & Oncology in Largo2 providers
Hematology & Oncology in California2 providers

Hematology & Oncology 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. Andrew Mener, M.D.
Columbia, MD · $1,306 in drug and device payments (2025) · Telehealth · (410) 964-2212
Dr. Matthew Williams, MD
Columbia, MD · No drug or device payments recorded (2025) · (410) 964-2212
Dr. Tejaswi Sastry, M.D.
Columbia, MD · $1,080 in drug and device payments (2025) · Telehealth · (410) 964-2212
Dr. Yuanjue Zhang, MD
Columbia, MD · $121 in drug and device payments (2025) · (410) 964-2212
Dr. Blanche Mavromatis, MD
Cumberland, MD · $584 in drug and device payments (2025) · (301) 723-5279
Dr. Jennifer Carter, MD
Cumberland, MD · $182 in drug and device payments (2025) · Telehealth · (240) 964-8515
Dr. Qamar Zaman, MD
Cumberland, MD · $11,343 in drug and device payments (2025) · (301) 777-3111
Dr. David Smith, MD
Easton, MD · $372 in drug and device payments (2025) · (410) 820-5945
Dr. Pamela Simpson, M.D.
Easton, MD · $1,296 in drug and device payments (2025) · (410) 820-5945
Dr. Qiwei Gai, MD
Easton, MD · $9,038 in drug and device payments (2025) · Telehealth · (410) 820-5945
Dr. Roopa Gupta, M.D.
Easton, MD · $2,441 in drug and device payments (2025) · (410) 505-8948
Dr. Fahd Rahman, MD
Elkton, MD · No drug or device payments recorded (2025) · Telehealth · (410) 392-2677
Dr. Robert Rice, M.D.
Finksburg, MD · $35 in drug and device payments (2025) · Telehealth · (410) 259-7939
Dr. Amr Hegazi, MD
Frederick, MD · $3,026 in drug and device payments (2025) · (301) 695-6777
Dr. Andrew Li, MD
Frederick, MD · $3,089 in drug and device payments (2025) · Telehealth · (301) 695-6777
Dr. Changqing Xie, M.D.
Frederick, MD · $290 in drug and device payments (2025) · Telehealth · (240) 215-6310
Dr. Dongyan Liu, M.D.
Frederick, MD · $869 in drug and device payments (2025) · Telehealth · (240) 215-6310
Dr. Giovanni Melillo, MD
Frederick, MD · No drug or device payments recorded (2025) · (301) 639-2190
Dr. Kenneth Bertram, MD
Frederick, MD · No drug or device payments recorded (2025) · (301) 619-4666
Dr. Lydia Onyima, DNP
Frederick, MD · No drug or device payments recorded (2025) · (240) 566-4100
Dr. Mouhamad Bazzi, MD
Frederick, MD · $1,517 in drug and device payments (2025) · (301) 682-2988
Dr. Natalia Marina, M.D.
Frederick, MD · $43 in drug and device payments (2025) · Telehealth · (301) 662-8477
Dr. Oscar Raymond Bascug, DO
Frederick, MD · $18 in drug and device payments (2025) · (240) 215-6310
Dr. Paul Rausch, MD
Frederick, MD · No drug or device payments recorded (2025) · (301) 662-8477
Dr. Sadaf Taimur, MD
Frederick, MD · $2,718 in drug and device payments (2025) · Telehealth · (301) 695-6777
Dr. Saro Sarkisian, M.D.
Frederick, MD · $12,667 in drug and device payments (2025) · Telehealth · (301) 662-8477
Dr. Xiao-wei Tan, MD
Frederick, MD · No drug or device payments recorded (2025) · (301) 695-6777
Dr. Yun Oh, M.D.
Frederick, MD · No drug or device payments recorded (2025) · (301) 695-6777
Dr. Mahrukh Hussain, MD
Gaithersburg, MD · No drug or device payments recorded (2025) · Telehealth · (240) 632-4825
Dr. Mark Goldstein, MD
Germantown, MD · $3,623 in drug and device payments (2025) · Telehealth · (301) 571-0019
Dr. Arshia Soleimani, M.D.
Glen Burnie, MD · $1,295 in drug and device payments (2025) · Telehealth · (410) 761-9896
Dr. Gayatri Nimmagadda, M.D.
Glen Burnie, MD · $5,346 in drug and device payments (2025) · Telehealth · (410) 761-9896
Dr. Min Oh, M.D.
Glen Burnie, MD · No drug or device payments recorded (2025) · (410) 553-8100
Dr. Russell Deluca, M.D.
Glen Burnie, MD · $417 in drug and device payments (2025) · (410) 761-9896
Dr. Shivang Danak, MD
Glen Burnie, MD · $361 in drug and device payments (2025) · Telehealth · (410) 761-9896
Dr. Yudhishtra Markan, M.D.
Glen Burnie, MD · $2,564 in drug and device payments (2025) · Telehealth · (410) 761-9896
Dr. Ari Fishman, M.D.
Greenbelt, MD · $273 in drug and device payments (2025) · Telehealth · (301) 982-9800
Dr. Chitra Venkatraman, M.D.
Greenbelt, MD · $362 in drug and device payments (2025) · (301) 345-1800
Dr. Martin Weltz, D.O.
Greenbelt, MD · No drug or device payments recorded (2025) · (301) 982-9800
Dr. Modupe Obadina, M.D.
Greenbelt, MD · No drug or device payments recorded (2025) · Telehealth · (301) 345-3966
Dr. Sajeev Anand, M.D.
Greenbelt, MD · $394 in drug and device payments (2025) · Telehealth · (301) 373-7900
Dr. Thomas Bensinger, M.D.
Greenbelt, MD · No drug or device payments recorded (2025) · (301) 982-9800
Dr. Alida Espinoza, MD
Hagerstown, MD · $4,920 in drug and device payments (2025) · (301) 797-8279
Dr. Arish Noor
Hagerstown, MD · $125 in drug and device payments (2025) · Telehealth · (301) 665-4710
Dr. Danielle Singleton, M.D.
Hagerstown, MD · No drug or device payments recorded (2025) · (301) 797-8279
Dr. Frederic Kass, M.D,F.A.C.P
Hagerstown, MD · No drug or device payments recorded (2025) · (301) 665-4731
Dr. Hind Hamdan, M.D.
Hagerstown, MD · No drug or device payments recorded (2025) · (301) 797-8279
Dr. Mahinur Khan, M.D.
Hagerstown, MD · $249 in drug and device payments (2025) · Telehealth · (301) 665-4710
Dr. Mohammad Khan, MD
Hagerstown, MD · $125 in drug and device payments (2025) · (301) 665-4710
Dr. Reshma Khetpal, MD
Hagerstown, MD · $18 in drug and device payments (2025) · Telehealth · (301) 665-4710

Conditions Hematology & Oncology providers in Maryland 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.

Common questions

How many Hematology & Oncology providers are in Maryland?

There are 320 Hematology & Oncology providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.

Do Hematology & Oncology providers in Maryland offer telehealth?

Yes. 123 of the 320 Hematology & Oncology providers in Maryland (about 38%) report offering telehealth services in CMS data.

Which cities in Maryland have the most Hematology & Oncology providers?

Baltimore (100), Bethesda (68), Rockville (18) have the highest concentration of Hematology & Oncology providers in Maryland.

How many Hematology & Oncology providers in Maryland received drug or device company payments?

201 of 320 Hematology & Oncology providers in Maryland (63%) 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 Maryland 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 Maryland work in independent practices or large health systems?

Among 164 Hematologists and Oncologists in Maryland enrolled in Medicare, 12% bill through a solo or small practice with fewer than 10 clinicians, 30% through a mid-size group of 10 to 99, and 59% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Hematologists and Oncologists in Maryland work at?

According to CMS facility affiliation records, the Maryland hospitals where the most Hematologists and Oncologists hold privileges are University of Maryland Medical Center in Baltimore; Johns Hopkins Hospital, the in Baltimore; Luminis Health Anne Arundel Medical Center, Inc. in Annapolis.

Related reading on HealthcareDiscovery.AI

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Related

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 & Oncology in Maryland? Get featured.