Hematologists and Oncologists in Oklahoma
Data updated monthly · Last refresh October 2026
130 Hematology & Oncology providers practice in Oklahoma, including 40 (31%) offering telehealth. The largest concentration is in Oklahoma City. 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.
130providers
40telehealth
Oklahoma Citytop city
Hematology & Oncology by city in Oklahoma
Choose a city to see providers there.
Hematology & Oncology providers in Oklahoma
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. 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, MDOklahoma 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, MDOklahoma City, OK · $1,337 in drug and device payments (2025) · Telehealth ·
(405) 271-5635 Dr. Kevin KurianOklahoma 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, MDOklahoma City, OK · $898 in drug and device payments (2025) ·
(405) 271-4022 Dr. Laila Babar, MDOklahoma City, OK · $612 in drug and device payments (2025) ·
(405) 631-0919 Dr. Lara Theobald, MDOklahoma 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, PHDOklahoma 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, MDOklahoma 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, MDOklahoma 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, MDOklahoma City, OK · $381 in drug and device payments (2025) ·
(405) 271-8299 Dr. Priyanka Vallabhaneni, MDOklahoma 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 JasarajOklahoma City, OK · $172 in drug and device payments (2025) ·
(405) 271-4022 Dr. Richard Bottomley, M.D.Oklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 631-0919 Dr. Robert Epstein, MDOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-8299 Dr. Robert Reynolds, MDOklahoma City, OK · $3,054 in drug and device payments (2025) · Telehealth ·
(405) 752-0871 Dr. Romeo Mandanas, M.D.Oklahoma City, OK · $4,063 in drug and device payments (2025) ·
(405) 773-6400 Dr. Ryan Nipp, M.D.Oklahoma City, OK · $43 in drug and device payments (2025) · Telehealth ·
(405) 271-4022 Dr. Saadia Chohan, MDOklahoma City, OK · $3,459 in drug and device payments (2025) ·
(405) 942-9200 Dr. Sakher Abdullah, MDOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-8299 Dr. Samer Hassan, M.D.Oklahoma City, OK · $279 in drug and device payments (2025) ·
(405) 631-0919 Dr. Sami Ibrahimi, M.D.Oklahoma City, OK · $18,691 in drug and device payments (2025) ·
(405) 271-4022 Dr. Sonia Varghese, MDOklahoma City, OK · $71 in drug and device payments (2025) · Telehealth ·
(405) 751-4343 Dr. Taha Al-juhaishi, M.D.Oklahoma City, OK · $21,315 in drug and device payments (2025) · Telehealth ·
(405) 271-4022 Dr. Thy Nguyen, M.D.Oklahoma City, OK · $69 in drug and device payments (2025) ·
(405) 228-7100 Dr. Unaiza Zaman, MDOklahoma City, OK · $66 in drug and device payments (2025) ·
(405) 271-4022 Dr. Veena GujjuOklahoma City, OK · $26 in drug and device payments (2025) ·
(405) 271-5963 Dr. Vikki Canfield, M.D.Oklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 751-4343 Dr. Vishnu Nagalapuram, MBBSOklahoma City, OK · No drug or device payments recorded (2025) · Telehealth ·
(405) 271-4022 Dr. Wajeeha Razaq, MDOklahoma City, OK · $1,052 in drug and device payments (2025) ·
(405) 271-4022 Dr. Zimu Gong, MDOklahoma City, OK · $156 in drug and device payments (2025) ·
(405) 271-8299 Dr. Akinola Ogundipe, M.D.Ponca City, OK · $2,263 in drug and device payments (2025) ·
(580) 767-1300 Dr. Susanna Ulahannan, M.D.Ponca City, OK · $598 in drug and device payments (2025) · Telehealth ·
(580) 767-1300 Dr. Christopher Puckett, M.D.Stillwater, OK · $1,007 in drug and device payments (2025) ·
(405) 372-1775 Dr. Alan Keller, M.D.Tulsa, OK · No drug or device payments recorded (2025) ·
(918) 505-3200 Dr. Amara Nandikolla, MDTulsa, OK · $1,472 in drug and device payments (2025) · Telehealth ·
(918) 579-3850 Dr. Basil BakirTulsa, OK · No drug or device payments recorded (2025) ·
(918) 505-3200 Dr. Caleb Scheckel, D.O.Tulsa, OK · $107,359 in drug and device payments (2025) ·
(918) 505-5320 Conditions Hematology & Oncology providers in 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.
- Breast cancer
- Lung cancer
- Lymphoma
- Leukemia
- Anemia
- Blood disorders
Common questions
How many Hematology & Oncology providers are in Oklahoma?There are 130 Hematology & Oncology providers with active NPI records practicing in Oklahoma, according to federal NPPES data refreshed monthly.
Do Hematology & Oncology providers in Oklahoma offer telehealth?Yes. 40 of the 130 Hematology & Oncology providers in Oklahoma (about 31%) report offering telehealth services in CMS data.
Which cities in Oklahoma have the most Hematology & Oncology providers?Oklahoma City (68), Tulsa (35), Lawton (6) have the highest concentration of Hematology & Oncology providers in Oklahoma.
How many Hematology & Oncology providers in Oklahoma received drug or device company payments?95 of 130 Hematology & Oncology providers in Oklahoma (73%) 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 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 Oklahoma work in independent practices or large health systems?Among 91 Hematologists and Oncologists in Oklahoma enrolled in Medicare, 2% bill through a solo or small practice with fewer than 10 clinicians, 19% through a mid-size group of 10 to 99, and 79% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists and Oncologists in Oklahoma work at?According to CMS facility affiliation records, the Oklahoma hospitals where the most Hematologists and Oncologists hold privileges are O U Medical Center in Oklahoma City; Saint Francis Hospital, Inc. in Tulsa; Mercy Hospital Oklahoma City, Inc. in Oklahoma City.
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