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Oncologists in Maryland

Data updated monthly · Last refresh October 2026

222 Medical Oncology providers practice in Maryland, including 88 (40%) 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.

222providers
88telehealth
Baltimoretop city

Medical Oncology by city in Maryland

Choose a city to see providers there.

Medical Oncology in Baltimore130 providers
Medical Oncology in Bethesda35 providers
Medical Oncology in Silver Spring10 providers
Medical Oncology in Lutherville7 providers
Medical Oncology in Rockville5 providers
Medical Oncology in Chevy Chase4 providers
Medical Oncology in Annapolis4 providers
Medical Oncology in Frederick4 providers
Medical Oncology in Towson3 providers
Medical Oncology in Columbia3 providers
Medical Oncology in Greenbelt2 providers
Medical Oncology in Hagerstown2 providers
Medical Oncology in Salisbury2 providers
Medical Oncology in Upper Marlboro1 providers
Medical Oncology in Owing Mills1 providers
Medical Oncology in Randallstown1 providers
Medical Oncology in Easton1 providers
Medical Oncology in Bethseda1 providers
Medical Oncology in Clarksville1 providers
Medical Oncology in Cumberland1 providers
Medical Oncology in Centreville1 providers
Medical Oncology in Potomac1 providers
Medical Oncology in Burtonsville1 providers
Medical Oncology in Cheverly1 providers

Medical 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. Petr Hausner, MD
Baltimore, MD · $221 in drug and device payments (2025) · Telehealth · (410) 328-2567
Dr. Philip Imus, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · Telehealth · (410) 955-5000
Dr. Rachael Walker
Baltimore, MD · $277 in drug and device payments (2025) · (410) 955-5000
Dr. Ranee Mehra, M.D.
Baltimore, MD · $274 in drug and device payments (2025) · Telehealth · (443) 287-8312
Dr. Richard Ambinder, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · Telehealth · (410) 955-8964
Dr. Richard Jones, M.D.
Baltimore, MD · $503 in drug and device payments (2025) · Telehealth · (410) 955-8964
Dr. Robert Donegan, M.D.
Baltimore, MD · $252 in drug and device payments (2025) · Telehealth · (443) 849-3051
Dr. Roisin Connolly, MB
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-1963
Dr. Ronald Gartenhaus, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · (410) 328-2567
Dr. Samantha Vogt, M.D., MPH
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-5000
Dr. Samuel Denmeade, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · Telehealth · (410) 955-8964
Dr. Samuel Rosner, M.D.
Baltimore, MD · $7,908 in drug and device payments (2025) · Telehealth · (410) 328-2575
Dr. Sandy Kotiah, M.D.
Baltimore, MD · $61,648 in drug and device payments (2025) · Telehealth · (410) 783-5858
Dr. Shruti Chaturvedi, M.D.
Baltimore, MD · $44,488 in drug and device payments (2025) · Telehealth · (410) 502-6686
Dr. Stephanie Gaillard, MD, PHD
Baltimore, MD · $8,430 in drug and device payments (2025) · Telehealth · (410) 955-3707
Dr. Stephen Noga, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · (410) 601-4710
Dr. Steven Gore, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-8964
Dr. Stuart Grossman, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · Telehealth · (410) 955-8964
Dr. Suman Paul, M.B.B.S, PHD
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-5000
Dr. Susan Scott, MD
Baltimore, MD · $11,657 in drug and device payments (2025) · Telehealth · (410) 614-2491
Dr. Sydney Dy, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · Telehealth · (410) 955-9434
Dr. Tanguy Seiwert, M.D.
Baltimore, MD · $18,458 in drug and device payments (2025) · (410) 933-6423
Dr. Tanya Prowell, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · (410) 614-4459
Dr. Theodoros Karantanos
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-8893
Dr. Thomas Smith, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-2091
Dr. Valerie Lee
Baltimore, MD · $7,517 in drug and device payments (2025) · Telehealth · (410) 502-1033
Dr. Valsamo Anagnostou, MD-PHD
Baltimore, MD · $7,632 in drug and device payments (2025) · (410) 955-8893
Dr. Vincent Lam, M.D.
Baltimore, MD · $8,656 in drug and device payments (2025) · Telehealth · (410) 955-8847
Dr. William Dalton, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-8893
Dr. William Nelson, M.D.
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-8964
Dr. Yaldah Mohammad Nader, MD
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-5000
Dr. Yasser Ged, MBSS, MD
Baltimore, MD · $8,052 in drug and device payments (2025) · Telehealth · (410) 502-2037
Dr. Yuxuan Wang
Baltimore, MD · No drug or device payments recorded (2025) · (410) 955-5000
Dr. Zeshaan Rasheed, M.D., PHD.
Baltimore, MD · No drug or device payments recorded (2025) · (410) 614-2491
Dr. Adrian Senderowicz, MD
Bethesda, MD · $165,580 in drug and device payments (2025) · (301) 530-0892
Dr. Alain Thibault, M.D.
Bethesda, MD · No drug or device payments recorded (2025) · (301) 564-5757
Dr. Azam Ghafoor, M.D.
Bethesda, MD · No drug or device payments recorded (2025) · (301) 896-3880
Dr. Barbara Dunn, MD
Bethesda, MD · No drug or device payments recorded (2025) · (240) 276-7093
Dr. Brian Ko, MD
Bethesda, MD · No drug or device payments recorded (2025) · (301) 496-4000
Dr. Charalampos Floudas, M.D.
Bethesda, MD · No drug or device payments recorded (2025) · (240) 474-1575
Dr. Christian Hinrichs, M.D.
Bethesda, MD · No drug or device payments recorded (2025) · (301) 435-3027
Dr. Christina Annunziata, M.D., PH.D.
Bethesda, MD · $150 in drug and device payments (2025) · (301) 402-7189
Dr. Christopher Klebanoff, M.D.
Bethesda, MD · No drug or device payments recorded (2025) · (301) 496-5659
Dr. Colleen Mcgettigan, DO
Bethesda, MD · No drug or device payments recorded (2025) · (301) 435-5387
Dr. Edwin Rock, MD PHD
Bethesda, MD · $271 in drug and device payments (2025) · (609) 356-9459
Dr. Elias Chandran, MBBS
Bethesda, MD · No drug or device payments recorded (2025) · (240) 447-2070
Dr. Eva Szabo, MD
Bethesda, MD · No drug or device payments recorded (2025) · (301) 435-5332
Dr. Geoffrey Kim, M.D.
Bethesda, MD · No drug or device payments recorded (2025) · (301) 496-4916
Dr. Geraldine O'sullivan Coyne, M.D, PHD
Bethesda, MD · $109 in drug and device payments (2025) · (301) 496-4916
Dr. Helen Chen, M.D.
Bethesda, MD · No drug or device payments recorded (2025) · (240) 276-6565

Common questions

How many Medical Oncology providers are in Maryland?

There are 222 Medical Oncology providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.

Do Medical Oncology providers in Maryland offer telehealth?

Yes. 88 of the 222 Medical Oncology providers in Maryland (about 40%) report offering telehealth services in CMS data.

Which cities in Maryland have the most Medical Oncology providers?

Baltimore (130), Bethesda (35), Silver Spring (10) have the highest concentration of Medical Oncology providers in Maryland.

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

88 of 222 Medical Oncology providers in Maryland (40%) 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 Maryland work in independent practices or large health systems?

Among 108 Oncologists in Maryland enrolled in Medicare, 2% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 81% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Oncologists in Maryland work at?

According to CMS facility affiliation records, the Maryland hospitals where the most Oncologists 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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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 Medical Oncology in Maryland? Get featured.