CancerDrs

Radiation Oncology in Arkansas

60 licensed radiation oncologists practicing in Arkansas across 18 cities.

This page republishes public records from the federal NPI Registry, which every licensed U.S. healthcare provider is required to maintain. These are federal-agency records, not a directory we compile.

Source: NPI Registry · last checked

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Click a city to filter the 50 providers shown below. Arkansas has providers in 18 cities total — search the full NPI Registry for cities not shown here.

NPI Registry records — Radiation Oncology in Arkansas

25 of 50 shown have disclosed payments in CMS Open Payments (2024)

Showing 50 of 60 federal NPI records, alphabetical by last name. Contact details come directly from the NPI Registry — verify currency with the provider's office. Pharma / device payment disclosures from CMS Open Payments are shown where the physician appears in that federal database.

Edward Herbert Abraham, MD

1455 Higdon Ferry Rd Ste C

Hot Springs, AR 71913 · (501) 622-2100

License: E-8136 (AR)

NPI 1710093166 →

In 2024, $23 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($23).

Largest single payer: GE HealthCare ($23).

Itemized records on CMS Open Payments →

Scarlett Marie Acklin-Wehnert, MD

60 E Monte Painter Dr

Fayetteville, AR 72703 · (794) 587-1700

License: E19288 (AR)

NPI 1295362184 →

Hiba Zara Ahmed, MD, MPH

225 E Washington Ave

Jonesboro, AR 72401 · (870) 207-8210

License: 25940 (MS)

NPI 1043743339 →

In 2024, $177 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($177).

Largest single payer: Progenics Pharmaceuticals, Inc. ($117).

Itemized records on CMS Open Payments →

Sondos Alkhatib, MD

3900 W Capitol Ave

Little Rock, AR 72205 · (501) 686-8000

License: E-18667 (AR)

NPI 1205446739 →

John William Allgood, MD

225 E Jackson Ave

Jonesboro, AR 72401 · (870) 972-4510

License: E-2457 (AR)

NPI 1184674608 →

In 2024, $18 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly gifts ($18).

Largest single payer: Merck Sharp & Dohme LLC ($18).

Itemized records on CMS Open Payments →

Joshua Lee Anderson, MD

60 E Monte Painter Dr

Fayetteville, AR 72703 · (479) 587-1700

License: E19061 (AR)

NPI 1982231833 →

Brent Cameron, MD, PHD

8901 Carti Way

Little Rock, AR 72205 · (501) 906-3000

License: E-13952 (AR)

NPI 1265850325 →

In 2024, $156 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($156).

Largest single payer: Teleflex LLC ($156).

Itemized records on CMS Open Payments →

Graham Campbell, MD

2605 College Ave

Conway, AR 72034 · (501) 906-3000

License: E-17824 (AR)

NPI 1194287482 →

Nancy A Cersonsky, MD

5901 W Memorial Rd

Oklahoma City, OK 73142 · (057) 736-7004

License: 28891 (OK)

NPI 1578774865 →

Roscoe Ho-Keung Chan, MD, FRCPC

1100 Gail Gardner Way

Prescott, AZ 86305 · (928) 776-1040

License: 37785 (AZ)

NPI 1891792941 →

In 2024, $135 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($135).

Largest single payer: Teleflex LLC ($81).

Itemized records on CMS Open Payments →

Kevin B Collins, MD

1109 E Reelfoot Ave Ste F

Union City, TN 38261 · (731) 884-1412

License: E-0729 (AR)

NPI 1174611511 →

In 2024, $944 was disclosed to this physician across 43 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($944).

Largest single payer: Merck Sharp & Dohme LLC ($130).

Itemized records on CMS Open Payments →

James Scott Cordova, MD, PHD

1 Medical Center Dr

Lebanon, NH 03756 · (603) 650-5000

License: 38895 (NH)

NPI 1023513728 →

Bruce A Cross, MD

1502 Dodson Ave

Fort Smith, AR 72901 · (479) 709-7190

License: 36469 (MO)

NPI 1922090315 →

In 2023, $29 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($29).

Itemized records on CMS Open Payments →

Richard (rick) Lynn Crownover, MD

1455 Higdon Ferry Rd Ste C

Hot Springs, AR 71913 · (501) 622-2100

License: E-13696 (AR)

NPI 1225238215 →

In 2023, $2,154 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.

Mostly stock or ownership interest ($1,750) and entertainment ($404).

Itemized records on CMS Open Payments →

Xiang Gao, MD

8901 Carti Way

Little Rock, AR 72205 · (501) 296-3273

License: E2844 (AR)

NPI 1376530550 →

Hershel Hurst Garner, MD

60 E Monte Painter Dr

Fayetteville, AR 72703 · (479) 361-2585

License: C7086 (AR)

NPI 1508839572 →

In 2024, $663 was disclosed to this physician across 41 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($663).

Largest single payer: Daiichi Sankyo Inc. ($124).

Itemized records on CMS Open Payments →

Wesley B Garner, MD

60 E Monte Painter Dr

Fayetteville, AR 72703 · (479) 587-1700

License: E14609 (AR)

NPI 1285154484 →

In 2024, $906 was disclosed to this physician across 54 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($906).

Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($170).

Itemized records on CMS Open Payments →

Shahid Hameed, MD

1609 W 40th Ave Ste 111

Pine Bluff, AR 71603 · (870) 541-7211

License: E-1401 (AR)

NPI 1710997655 →

In 2024, $20 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($20).

Largest single payer: Genentech USA, Inc. ($20).

Itemized records on CMS Open Payments →

Matthew Emery Hardee, MD, PHD

8901 Carti Way

Little Rock, AR 72205 · (501) 296-3247

License: E-7372 (AR)

NPI 1487896973 →

Leslie Michelle Harrell, DO, MS

4301 W Markham St # 771

Little Rock, AR 72205 · (501) 686-4568

License: E-12234 (AR)

NPI 1811208010 →

In 2024, $210 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($210).

Largest single payer: Novocure Inc. ($210).

Itemized records on CMS Open Payments →

Donald R Harris, MD

4 Saint Vincent Cir, Carti- Markham & University

Little Rock, AR 72205 · (501) 296-3273

License: C3082 (AR)

NPI 1407844236 →

Walter Ducote Haynes, MD

12800 County Farm Road

Little Rock, AR 72223 · (501) 425-9139

License: C3188 (AR)

NPI 1275793457 →

Ashley Ann Hewitt, PA-C

8901 Carti Way

Little Rock, AR 72205 · (501) 906-3000

License: 1177614 ()

NPI 1811639008 →

Samuel L Hughes, MD

1808 W Main St

Russellville, AR 72801 · (479) 964-9119

License: MA76583 (NJ)

NPI 1619927241 →

In 2024, $514 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly meals and beverages ($493) and entertainment ($21).

Largest single payer: Intuitive Surgical, Inc. ($493).

Itemized records on CMS Open Payments →

Bryan R Imamura, MD

Carti Markham & University

Little Rock, AR 72205 · (501) 296-3273

License: E2246 (AR)

NPI 1821084526 →

Roby Adhinayak Lal, DO

221 Ne Glen Oak Ave

Peoria, IL 61636 · (309) 672-5702

License: E-0295 (AR)

NPI 1811983489 →

In 2024, $193 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($193).

Largest single payer: Novocure Inc. ($146).

Itemized records on CMS Open Payments →

Robert C. Landgren, MD

37 Pinehurst Cir

Little Rock, AR 72212 · (501) 225-6082

License: R-3140 (AR)

NPI 1871825612 →

Foster Donald Lasley, MD

60 E Monte Painter Dr

Fayetteville, AR 72703 · (479) 587-1700

License: E11178 (AR)

NPI 1407083058 →

In 2024, $876 was disclosed to this physician across 47 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($876).

Largest single payer: Sirtex Medical Inc ($104).

Itemized records on CMS Open Payments →

John Kevin Lynch, DO

225 E Jackson Ave

Jonesboro, AR 72401 · (870) 972-4510

License: R-4434 (AR)

NPI 1659320083 →

In 2024, $198 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($198).

Largest single payer: Progenics Pharmaceuticals, Inc. ($117).

Itemized records on CMS Open Payments →

Matthew Layne Mallory, MD

60 E Monte Painter Dr

Fayetteville, AR 72703 · (479) 587-1700

License: E-14474 (AR)

NPI 1194145532 →

In 2023, $349 was disclosed to this physician across 24 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($349).

Itemized records on CMS Open Payments →

Ann W Maners, MD

Carti Markham & University

Little Rock, AR 72205 · (501) 296-3273

License: N6696 (AR)

NPI 1528055902 →

Sanjay Maraboyina, MD

4301 W Markham St # 771

Little Rock, AR 72205 · (501) 526-7458

License: E-8213 (AR)

NPI 1730388166 →

In 2023, $327 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($327).

Itemized records on CMS Open Payments →

Michael Earl May, MD

8901 Carti Way Ste 400

Little Rock, AR 72205 · (501) 906-3000

License: E12969 (AR)

NPI 1184011470 →

James R McCarley, MD

3633 Central Avenue, Suite D

Hot Springs, AR 71913 · (501) 623-6693

License: E-4671 (AR)

NPI 1295858975 →

In 2024, $372 was disclosed to this physician across 11 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($372).

Largest single payer: Inari Medical, Inc. ($239).

Itemized records on CMS Open Payments →

Christopher M McClinton, MD

60 E Monte Painter Dr

Fayetteville, AR 72703 · (479) 695-4234

License: E-10624 (AR)

NPI 1144586280 →

In 2024, $787 was disclosed to this physician across 25 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($787).

Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($224).

Itemized records on CMS Open Payments →

Matthew Ryan McKeever, MD

7301 Rogers Ave

Fort Smith, AR 72903 · (479) 314-7545

License: E-18683 (AR)

NPI 1891145538 →

In 2024, $1,182 was disclosed to this physician across 57 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,182).

Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($247).

Itemized records on CMS Open Payments →

Mahbuba Hossain Meem, MD

225 E Washington Ave

Jonesboro, AR 72401 · (870) 932-7024

License: E-19078 (AR)

NPI 1457236093 →

Howard Earle Morgan, MD

8901 Carti Way

Little Rock, AR 72205 · (501) 906-3000

License: E-15231 (AR)

NPI 1407387053 →

In 2024, $718 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($484) and meals and beverages ($234).

Largest single payer: RefleXion Medical, Inc. ($547).

Itemized records on CMS Open Payments →

Gregory D Naden, MD

639 Hospital Dr

Mountain Home, AR 72653 · (479) 587-1700

License: 36068 (IA)

NPI 1588649396 →

In 2024, $233 was disclosed to this physician across 16 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($233).

Largest single payer: Merck Sharp & Dohme LLC ($35).

Itemized records on CMS Open Payments →

Alvah J Nelson, MD

12105 Fairway Dr

Little Rock, AR 72212 · (501) 225-3725

License: R-2246 (AR)

NPI 1437383726 →

Christian Chinedu Okoye, MD

225 E Jackson Ave

Jonesboro, AR 72401 · (870) 207-4510

License: E9610 (AR)

NPI 1699064337 →

Craig B Olson, MD

620 North Main

Harrison, AR 72601 · (870) 365-2244

License: E3017 (AR)

NPI 1295791556 →

Jonathan David Pagan, MD

8901 Carti Way

Little Rock, AR 72205 · (501) 906-3000

License: E-12149 (AR)

NPI 1639515059 →

Mausam A Patel, MD

4301 W Markham St # 771

Little Rock, AR 72205 · (501) 664-4568

License: E-15521 (AR)

NPI 1619339868 →

In 2024, $1,398 was disclosed to this physician across 14 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,398).

Largest single payer: Novocure Inc. ($348).

Itemized records on CMS Open Payments →

Cheryl L Payne, MD

8901 Carti Way

Little Rock, AR 72205 · (501) 906-3000

License: E0765 (AR)

NPI 1912993619 →

Loverd Michael Peacock, MD

4301 W Markham St

Little Rock, AR 72205 · (501) 686-8000

License: C-4409 (AR)

NPI 1831141829 →

Ha Hong Pham, MD

8901 Carti Way

Little Rock, AR 72205 · (501) 906-3000

License: E-19310 (AR)

NPI 1730717299 →

Christopher H Pope, MD

Carti - Markham & University, #4 St. Vincent Circle

Little Rock, AR 72205 · (501) 296-3273

License: E1756 (AR)

NPI 1649267824 →

Arpan Vaikunth Prabhu, MD

1111 Ronald Reagan Pkwy

Avon, IN 46123 · (317) 217-3800

License: 01090597A (IN)

NPI 1982195806 →

In 2024, $1,310 was disclosed to this physician across 16 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($935) and meals and beverages ($375).

Largest single payer: icotec Medical Inc. ($709).

Itemized records on CMS Open Payments →

Christopher C Ross, MD

500 S University Ave, Suite 600

Little Rock, AR 72205 · (501) 837-4558

License: E-7337 (AR)

NPI 1922288372 →

Showing 50 of 60. Search all on NPI Registry →

Payment totals shown for the latest published program year (2024). Presence of disclosed payments is not, on its own, a conflict of interest. Physicians dispute records directly with CMS (dispute process). How we show this.

Open Payments figures as displayed on . Corrections flow from the manufacturer through CMS and are adopted on our next refresh.

What this page is: a republication of public federal NPI Registry records, filtered to the radiation oncology taxonomy. It is not a directory we curate, and inclusion is automatic based on each provider's own NPI filing with CMS. Providers who believe their NPI record is inaccurate should update it directly with CMS at npiregistry.cms.hhs.gov; our next refresh adopts the corrected federal record.

Practice info disclaimer: Provider addresses and phone numbers come from the NPI Registry, which providers update at their discretion. Always call ahead to confirm the provider is currently accepting patients and is at the listed address.

Medical disclaimer: This page is not a quality ranking and does not constitute medical advice or endorsement. Choose a provider in consultation with your primary care physician or care team.

Source: NPI Registry (taxonomy: Radiation Oncology) · Last checked: 2026-04-20