Radiation Oncologists in Arkansas
Data updated monthly · Last refresh October 2026
49 Radiation Oncology providers practice in Arkansas, including 7 (14%) offering telehealth. The largest concentration is in Little Rock. 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.
49providers
7telehealth
Little Rocktop city
Radiation Oncology by city in Arkansas
Choose a city to see providers there.
Where Radiation Oncologists in Arkansas practice
From CMS Medicare enrollment records covering 35 of the 49 providers listed here (71%). Providers who do not bill Medicare are not included in these figures.
6%solo or small practice (under 10 clinicians)
63%mid-size group (10 to 99)
31%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Radiation Oncologists | All clinicians in group | Main city |
| Carti Oncology Solutions LLC | 11 | 13 | Little Rock |
| University of Arkansas for Medical Sciences | 7 | 1,159 | Little Rock |
| Highlands Oncology Group PA | 7 | 78 | Fayetteville |
| Proton International Arkansas, LLC | 6 | 8 | Little Rock |
| Cancer Care Associates Inc. | 3 | 23 | Jonesboro |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Radiation Oncologists affiliated |
| University of Arkansas Medical Sciences | Little Rock | Government | 2 of 5 | 7 |
| Washington Regional Medical Center | Fayetteville | Nonprofit | 4 of 5 | 3 |
| St Bernards Medical Center | Jonesboro | Nonprofit | 1 of 5 | 3 |
| Jefferson Regional Medical Center | Pine Bluff | Nonprofit | 1 of 5 | 2 |
| Chi St. Vincent Hospital Hot Springs | Hot Springs | Nonprofit | 3 of 5 | 2 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Radiation Oncology providers in Arkansas
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. Arnold Smith, MDFayetteville, AR · $200 in drug and device payments (2025) ·
(479) 361-2585 Dr. Christopher Mcclinton, M.D.Fayetteville, AR · $975 in drug and device payments (2025) ·
(479) 695-4234 Dr. Foster Lasley, M.D.Fayetteville, AR · $1,137 in drug and device payments (2025) ·
(479) 587-1700 Dr. Joseph Ross, MDFayetteville, AR · $33 in drug and device payments (2025) ·
(479) 348-7170 Dr. Joshua Anderson, MDFayetteville, AR · $98 in drug and device payments (2025) ·
(479) 587-1700 Dr. Matthew Mallory, M.D.Fayetteville, AR · No drug or device payments recorded (2025) ·
(479) 587-1700 Dr. Scarlett Acklin-wehnert, MDFayetteville, AR · $14 in drug and device payments (2025) ·
(794) 587-1700 Dr. Wesley Garner, MDFayetteville, AR · $1,331 in drug and device payments (2025) ·
(479) 587-1700 Dr. Bruce Cross, MDFort Smith, AR · $22 in drug and device payments (2025) ·
(479) 709-7190 Dr. Matthew Mckeever, M.D.Fort Smith, AR · $141 in drug and device payments (2025) ·
(479) 314-7545 Dr. Craig Olson, MDHarrison, AR · No drug or device payments recorded (2025) ·
(870) 365-2244 Dr. Edward Abraham, M.D.Hot Springs, AR · $18 in drug and device payments (2025) ·
(501) 622-2100 Dr. Richard (rick) Crownover, MDHot Springs, AR · $264 in drug and device payments (2025) ·
(501) 622-2100 Dr. Brooke Willows, MDJonesboro, AR · No drug or device payments recorded (2025) ·
(870) 207-8177 Dr. Christian Okoye, M.D.Jonesboro, AR · $131 in drug and device payments (2025) ·
(870) 207-4510 Dr. Hiba Ahmed, M.D., M.P.H.Jonesboro, AR · $479 in drug and device payments (2025) · Telehealth ·
(870) 207-8210 Dr. John Allgood, M.D.Jonesboro, AR · No drug or device payments recorded (2025) ·
(870) 972-4510 Dr. John Lynch, D.O.Jonesboro, AR · $51 in drug and device payments (2025) ·
(870) 972-4510 Dr. Mahbuba Meem, MDJonesboro, AR · $145 in drug and device payments (2025) · Telehealth ·
(870) 932-7024 Dr. Alvah Nelson, M.D.Little Rock, AR · No drug or device payments recorded (2025) ·
(501) 225-3725 Dr. Ann Maners, MDLittle Rock, AR · No drug or device payments recorded (2025) ·
(501) 296-3273 Dr. Brent Cameron, M.D., PH.D.Little Rock, AR · $1,704 in drug and device payments (2025) ·
(501) 906-3000 Dr. Bryan Imamura, MDLittle Rock, AR · No drug or device payments recorded (2025) ·
(501) 296-3273 Dr. Cheryl Payne, MDLittle Rock, AR · No drug or device payments recorded (2025) ·
(501) 906-3000 Dr. Christopher Pope, MDLittle Rock, AR · No drug or device payments recorded (2025) ·
(501) 296-3273 Dr. Christopher Ross, M.D.Little Rock, AR · No drug or device payments recorded (2025) ·
(501) 837-4558 Dr. Cynthia Ross, MDLittle Rock, AR · No drug or device payments recorded (2025) ·
(501) 296-3273 Dr. Donald Harris, MDLittle Rock, AR · No drug or device payments recorded (2025) ·
(501) 296-3273 Dr. Fen Xia, MD, PHDLittle Rock, AR · $505 in drug and device payments (2025) · Telehealth ·
(501) 526-7458 Dr. Ha Pham, MDLittle Rock, AR · $28 in drug and device payments (2025) ·
(501) 906-3000 Dr. Hershel Garner, MDLittle Rock, AR · $315 in drug and device payments (2025) ·
(501) 526-7458 Dr. Howard Morgan, MDLittle Rock, AR · $142 in drug and device payments (2025) ·
(501) 906-3000 Dr. Jonathan Pagan, M.D.Little Rock, AR · No drug or device payments recorded (2025) · Telehealth ·
(501) 906-3000 Dr. Leslie Harrell, D.O., M.S.Little Rock, AR · $122 in drug and device payments (2025) ·
(501) 686-4568 Dr. Matthew Hardee, M.D., PH.D.Little Rock, AR · No drug or device payments recorded (2025) ·
(501) 296-3247 Dr. Mausam Patel, MDLittle Rock, AR · $417 in drug and device payments (2025) · Telehealth ·
(501) 664-4568 Dr. Michael May, MDLittle Rock, AR · $14 in drug and device payments (2025) ·
(501) 906-3000 Dr. Robert Landgren, M.D.Little Rock, AR · No drug or device payments recorded (2025) ·
(501) 225-6082 Dr. Sanjay Maraboyina, M.D.Little Rock, AR · No drug or device payments recorded (2025) · Telehealth ·
(501) 526-7458 Dr. Sondos Alkhatib, MDLittle Rock, AR · No drug or device payments recorded (2025) ·
(501) 686-8000 Dr. Uwajachukwumma Uzomah, MDLittle Rock, AR · No drug or device payments recorded (2025) ·
(501) 686-8000 Dr. Xiang Gao, MDLittle Rock, AR · No drug or device payments recorded (2025) ·
(501) 296-3273 Dr. Gary Wells, M.D.Mountain Home, AR · No drug or device payments recorded (2025) ·
(870) 424-2200 Dr. Gregory Naden, MDMountain Home, AR · $132 in drug and device payments (2025) ·
(479) 587-1700 Dr. Santanu Samanta, MDNorth Little Rock, AR · $449 in drug and device payments (2025) · Telehealth ·
(501) 202-3000 Dr. Shahid Hameed, MDPine Bluff, AR · $86 in drug and device payments (2025) ·
(870) 541-7211 Dr. Darrell Speed, M.D.Russellville, AR · No drug or device payments recorded (2025) ·
(479) 964-9118 Dr. Samuel Hughes, MDRussellville, AR · No drug or device payments recorded (2025) ·
(479) 964-9119 Common questions
How many Radiation Oncology providers are in Arkansas?There are 49 Radiation Oncology providers with active NPI records practicing in Arkansas, according to federal NPPES data refreshed monthly.
Do Radiation Oncology providers in Arkansas offer telehealth?Yes. 7 of the 49 Radiation Oncology providers in Arkansas (about 14%) report offering telehealth services in CMS data.
Which cities in Arkansas have the most Radiation Oncology providers?Little Rock (23), Fayetteville (8), Jonesboro (6) have the highest concentration of Radiation Oncology providers in Arkansas.
How many Radiation Oncology providers in Arkansas received drug or device company payments?27 of 49 Radiation Oncology providers in Arkansas (55%) 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 Radiation Oncologists in Arkansas work in independent practices or large health systems?Among 35 Radiation Oncologists in Arkansas enrolled in Medicare, 6% bill through a solo or small practice with fewer than 10 clinicians, 63% through a mid-size group of 10 to 99, and 31% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Radiation Oncologists in Arkansas work at?According to CMS facility affiliation records, the Arkansas hospitals where the most Radiation Oncologists hold privileges are University of Arkansas Medical Sciences in Little Rock; Washington Regional Medical Center in Fayetteville; St Bernards Medical Center in Jonesboro.
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