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Hematology & Oncology in Oklahoma City, Oklahoma

Data updated monthly · Last refresh September 2026

68 Hematology & Oncology providers practice in Oklahoma City, and 71% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Hematology & Oncology providers in Oklahoma City

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. Abby Bova, MD
Oklahoma City, OK · $1,145 in drug and device payments (2025) · Telehealth · (405) 751-4343
Dr. Abdul Rafeh Naqash, MD
Oklahoma City, OK · $3,667 in drug and device payments (2025) · (405) 271-8001
Dr. Adam Asch, M.D.
Oklahoma City, OK · $182 in drug and device payments (2025) · (405) 271-8299
Dr. Adanma Anji Ayanambakkam Attanathi
Oklahoma City, OK · $6,495 in drug and device payments (2025) · (405) 271-5963
Dr. Agnel Raparthi, M.D.,
Oklahoma City, OK · $978 in drug and device payments (2025) · (405) 773-6400
Dr. Andre De Souza, M.D
Oklahoma City, OK · No drug or device payments recorded (2025) · Telehealth · (405) 271-4022
Dr. Arafat Tfayli, MD
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 271-8299
Dr. Bashar Alasad, M.D.
Oklahoma City, OK · $445 in drug and device payments (2025) · (405) 631-0919
Dr. Bilal Ahmad, M.D
Oklahoma City, OK · $1,599 in drug and device payments (2025) · (405) 631-0919
Dr. Brian Geister, M.D.
Oklahoma City, OK · $325 in drug and device payments (2025) · (405) 773-6400
Dr. Carla Kurkjian, M.D.
Oklahoma City, OK · No drug or device payments recorded (2025) · Telehealth · (405) 751-4343
Dr. Charles Hollen, M.D.
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 942-9200
Dr. Christopher Thompson, MD
Oklahoma City, OK · $139 in drug and device payments (2025) · Telehealth · (405) 751-4343
Dr. Clay Reed, MD
Oklahoma City, OK · $6,671 in drug and device payments (2025) · Telehealth · (405) 751-4343
Dr. Craig Reitz, M.D.
Oklahoma City, OK · $78 in drug and device payments (2025) · (405) 751-4343
Dr. Danielle Kramer-smotherman, D.O.
Oklahoma City, OK · $118 in drug and device payments (2025) · Telehealth · (405) 751-4343
Dr. David Lam, MD
Oklahoma City, OK · $503 in drug and device payments (2025) · (405) 228-7100
Dr. Erin Ezzell, D.O.
Oklahoma City, OK · $589 in drug and device payments (2025) · (405) 271-4022
Dr. George Selby, MD
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 271-8299
Dr. Graca Dores, MD, MPH
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 270-0501
Dr. Gregory Parker, M.D.
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 942-9200
Dr. Hassan Hatoum, MD
Oklahoma City, OK · $9,510 in drug and device payments (2025) · (405) 272-4022
Dr. Ignatius Nyatsanza, M.D.
Oklahoma City, OK · $80 in drug and device payments (2025) · Telehealth · (405) 713-7403
Dr. Irim Yasin, M.D.
Oklahoma City, OK · $892 in drug and device payments (2025) · (405) 773-6400
Dr. James Feisal, MD
Oklahoma City, OK · $851 in drug and device payments (2025) · Telehealth · (405) 228-7100
Dr. James George, MD
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 271-8299
Dr. James Reeves, M.D.
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 751-4343
Dr. Janae Clapp, M.D.
Oklahoma City, OK · $520 in drug and device payments (2025) · (405) 773-6400
Dr. Jennifer Holter-chakrabarty, MD
Oklahoma City, OK · $27,360 in drug and device payments (2025) · (405) 271-8299
Dr. Jess Armor, M.D.
Oklahoma City, OK · $1,558 in drug and device payments (2025) · Telehealth · (405) 751-4343
Dr. Johnny Mcminn, M.D.
Oklahoma City, OK · $431 in drug and device payments (2025) · (405) 773-6400
Dr. Jordan Morton, MD
Oklahoma City, OK · $1,337 in drug and device payments (2025) · Telehealth · (405) 271-5635
Dr. Kevin Kurian
Oklahoma City, OK · $276 in drug and device payments (2025) · (405) 271-4022
Dr. Khader Hussein, M.D.
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 631-0919
Dr. Kristin Thorp, MD
Oklahoma City, OK · $898 in drug and device payments (2025) · (405) 271-4022
Dr. Laila Babar, MD
Oklahoma City, OK · $612 in drug and device payments (2025) · (405) 631-0919
Dr. Lara Theobald, MD
Oklahoma City, OK · $1,202 in drug and device payments (2025) · (405) 773-6400
Dr. Leonard Bowen, M.D.
Oklahoma City, OK · $160 in drug and device payments (2025) · (405) 228-7100
Dr. Manu Pandey, M.D.
Oklahoma City, OK · $43 in drug and device payments (2025) · Telehealth · (405) 271-1112
Dr. Mason Webb, MD, PHD
Oklahoma City, OK · No drug or device payments recorded (2025) · Telehealth · (572) 244-0111
Dr. Michael Keefer, M.D.
Oklahoma City, OK · $242 in drug and device payments (2025) · Telehealth · (405) 751-4343
Dr. Mohamed Kanaa, MD
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 752-0871
Dr. Mohammad Razaq, M.D.
Oklahoma City, OK · $2,569 in drug and device payments (2025) · Telehealth · (405) 271-4022
Dr. Muhammad Salman Faisal, MD
Oklahoma City, OK · $209 in drug and device payments (2025) · (405) 271-8001
Dr. Nasser Janbay, M.D.
Oklahoma City, OK · $178 in drug and device payments (2025) · Telehealth · (405) 751-4343
Dr. Nishant Tiwari, M.D.
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 271-8001
Dr. Philip Comp, MD
Oklahoma City, OK · $381 in drug and device payments (2025) · (405) 271-8299
Dr. Priyanka Vallabhaneni, MD
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 271-4022
Dr. Ralph Ganick, M.D.
Oklahoma City, OK · No drug or device payments recorded (2025) · (405) 228-7100
Dr. Ranjit Jasaraj
Oklahoma City, OK · $172 in drug and device payments (2025) · (405) 271-4022

Conditions Hematology & Oncology providers in Oklahoma City, Oklahoma 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 Oklahoma City, Oklahoma?

There are 68 Hematology & Oncology providers with active NPI records practicing in Oklahoma City, according to federal NPPES data refreshed monthly.

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

48 of 68 (71%) 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 Oklahoma City treat?

Hematology & Oncology providers in Oklahoma City 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 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 Oklahoma City Hematology & Oncology across Oklahoma

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.