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Radiation Oncology in Memphis, Tennessee

Data updated monthly · Last refresh September 2026

20 Radiation Oncology providers practice in Memphis. Listings are drawn from federal public records and are not endorsements.

Radiation Oncology providers in Memphis

Listed alphabetically. 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. Angela Wortham, MD
Memphis, TN · No drug or device payments recorded (2025) · (901) 226-0340
Dr. Ankur Sharma, MD, FRCPC
Memphis, TN · No drug or device payments recorded (2025) · (443) 905-7539
Dr. Carmen Perez, M.D. PH.D.
Memphis, TN · No drug or device payments recorded (2025) · (888) 226-4343
Dr. Christopher Tinkle
Memphis, TN · No drug or device payments recorded (2025) · (888) 226-4343
Dr. Cynthia Dabney, MD
Memphis, TN · No drug or device payments recorded (2025) · (901) 516-7074
Dr. Daniel Wakefield, M.D.
Memphis, TN · $164 in drug and device payments (2025) · (901) 448-5814
Dr. David Roberge, MD
Memphis, TN · $6,476 in drug and device payments (2025) · (901) 495-3006
Dr. David Schwartz, M.D.
Memphis, TN · No drug or device payments recorded (2025) · (901) 226-0340
Dr. Holger Gieschen, MD
Memphis, TN · No drug or device payments recorded (2025) · Telehealth · (901) 726-7358
Dr. Joan Kaufman, M.D.
Memphis, TN · No drug or device payments recorded (2025) · (901) 577-7285
Dr. John Lucas, MD
Memphis, TN · No drug or device payments recorded (2025) · (901) 595-3300
Dr. Lillian Rinker, MD
Memphis, TN · No drug or device payments recorded (2025) · (901) 726-7358
Dr. Lucien Nedzi, M.D.
Memphis, TN · No drug or device payments recorded (2025) · (504) 296-8656
Dr. Matthew Ballo, M.D.
Memphis, TN · $219 in drug and device payments (2025) · (901) 683-0055
Dr. Matthew Krasin, MD
Memphis, TN · No drug or device payments recorded (2025) · (901) 595-3006
Dr. Michael Tomblyn, MD
Memphis, TN · $16 in drug and device payments (2025) · (901) 226-0340
Dr. Rameses Sroufe, MD
Memphis, TN · $27 in drug and device payments (2025) · (202) 246-2582
Dr. Shelby Lane, MD
Memphis, TN · $1,015 in drug and device payments (2025) · (901) 226-0340
Dr. Thomas Merchant, DO
Memphis, TN · $105 in drug and device payments (2025) · (901) 595-3006
Dr. Todd Stockstill, MD
Memphis, TN · No drug or device payments recorded (2025) · (901) 726-7358

Common questions

How many Radiation Oncology providers are in Memphis, Tennessee?

There are 20 Radiation Oncology providers with active NPI records practicing in Memphis, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records 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.

All specialties in Memphis Radiation Oncology across Tennessee

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.