Radiation Oncologists in Louisiana
Data updated monthly · Last refresh October 2026
66 Radiation Oncology providers practice in Louisiana, including 12 (18%) offering telehealth. The largest concentration is in Baton Rouge. 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.
66providers
12telehealth
Baton Rougetop city
Radiation Oncology by city in Louisiana
Choose a city to see providers there.
Where Radiation Oncologists in Louisiana practice
From CMS Medicare enrollment records covering 49 of the 66 providers listed here (74%). Providers who do not bill Medicare are not included in these figures.
22%solo or small practice (under 10 clinicians)
33%mid-size group (10 to 99)
45%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Radiation Oncologists | All clinicians in group | Main city |
| Mary Bird Perkins Cancer Center | 13 | 95 | Baton Rouge |
| Ochsner Clinic LLC | 10 | 2,845 | New Orleans |
| St. Elizabeth-Mary Bird Perkins Cancer Center, L.L.C. | 8 | 10 | Gonzales |
| Radiation Oncology Associates of Acadiana LLP | 5 | 6 | Opelousas |
| Acadiana Radiation Therapy LLC | 5 | 6 | New Iberia |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Radiation Oncologists affiliated |
| Ochsner Medical Center Acute | New Orleans | Nonprofit | 4 of 5 | 11 |
| Willis Knighton Medical Center | Shreveport | Nonprofit | 3 of 5 | 7 |
| Our Lady of the Lake Regional Medical Center | Baton Rouge | Nonprofit | 3 of 5 | 6 |
| Ochsner Lafayette General Medical Center | Lafayette | Nonprofit | 3 of 5 | 6 |
| Our Lady of Lourdes Regional Medical Center, Inc. | Lafayette | Nonprofit | 3 of 5 | 6 |
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 Louisiana
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. Bryce BeardAlexandria, LA · $121 in drug and device payments (2025) ·
(318) 769-7200 Dr. Lawrence Menache, M.D.Alexandria, LA · $646 in drug and device payments (2025) ·
(318) 448-6917 Dr. Natalie Alphonse Sullivan, M.D.Alexandria, LA · $301 in drug and device payments (2025) ·
(318) 448-6917 Dr. Sanat Sanghani, M.D.Alexandria, LA · No drug or device payments recorded (2025) ·
(318) 449-7200 Dr. Andrew Elson, MDBaton Rouge, LA · $1,555 in drug and device payments (2025) ·
(225) 767-0847 Dr. Andrew Lauve, MD.Baton Rouge, LA · $60 in drug and device payments (2025) · Telehealth ·
(225) 754-5117 Dr. Charles Wood, MDBaton Rouge, LA · No drug or device payments recorded (2025) · Telehealth ·
(225) 767-0847 Dr. Divyang Mehta, M.D.Baton Rouge, LA · $125 in drug and device payments (2025) ·
(225) 767-0847 Dr. Gregory Cotter, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 767-0847 Dr. Gregory Henkelmann, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 215-1136 Dr. Jingya Wang, M.D.Baton Rouge, LA · $33 in drug and device payments (2025) · Telehealth ·
(225) 767-0847 Dr. Kenneth Lo, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 767-0847 Dr. Konstantin Kovtun, M.D.Baton Rouge, LA · $1,533 in drug and device payments (2025) · Telehealth ·
(225) 767-0847 Dr. Maurice King, M.D.Baton Rouge, LA · $18 in drug and device payments (2025) ·
(225) 767-0847 Dr. Maurice King, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 767-0847 Dr. Michael Dzeda, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 767-0847 Dr. Renee Levine, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 767-0847 Dr. Rockne Hymel, M.D.Baton Rouge, LA · $110 in drug and device payments (2025) · Telehealth ·
(225) 754-5117 Dr. Travis Lambert, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 381-6620 Dr. Erik Lappinen, M.D.Covington, LA · No drug or device payments recorded (2025) · Telehealth ·
(985) 249-2383 Dr. Richard Bermudez, M.D.Covington, LA · $568 in drug and device payments (2025) ·
(985) 875-2234 Dr. Cyrus WashingtonJefferson, LA · No drug or device payments recorded (2025) ·
(504) 842-3000 Dr. Andrew Harwood, M.D.Lafayette, LA · No drug or device payments recorded (2025) ·
(337) 769-8660 Dr. Bahman Daneshfar, M.D.Lafayette, LA · $68 in drug and device payments (2025) ·
(337) 593-7285 Dr. James Russo, M.D.Lafayette, LA · $700 in drug and device payments (2025) ·
(337) 769-7779 Dr. John Anderson, MDLafayette, LA · $176 in drug and device payments (2025) ·
(337) 769-8660 Dr. Jonathan Thompson, MDLafayette, LA · $229 in drug and device payments (2025) ·
(337) 769-8660 Dr. Julian Krawczyk, M.D.Lafayette, LA · No drug or device payments recorded (2025) ·
(337) 769-8660 Dr. Karl Noell, M.D.Lafayette, LA · No drug or device payments recorded (2025) ·
(337) 989-0630 Dr. Mary Deland, MDLafayette, LA · No drug or device payments recorded (2025) ·
(337) 989-0812 Dr. Perri Prellop, M.D.Lafayette, LA · $493 in drug and device payments (2025) ·
(337) 769-8660 Dr. Stephen Wilt, M.D., PH.D.Lafayette, LA · $76 in drug and device payments (2025) ·
(337) 769-8660 Dr. David Chang, M.D. M.S.Lake Charles, LA · $239 in drug and device payments (2025) ·
(337) 491-7569 Dr. James Maze, MDLake Charles, LA · $425 in drug and device payments (2025) ·
(337) 494-2121 Dr. Daniel Koffler, MDMetairie, LA · No drug or device payments recorded (2025) · Telehealth ·
(504) 503-5139 Dr. Luis Linares, M.D.Metairie, LA · No drug or device payments recorded (2025) ·
(504) 454-1727 Dr. Paul Monsour, M.D.Metairie, LA · $15 in drug and device payments (2025) ·
(504) 454-1727 Dr. Siddhartha Padmanabha, M.D.Metairie, LA · $77 in drug and device payments (2025) ·
(504) 503-5139 Dr. Ashley Brown, M.D.New Orleans, LA · $198 in drug and device payments (2025) ·
(504) 897-8970 Dr. Carl Merlin, M.D.New Orleans, LA · No drug or device payments recorded (2025) ·
(504) 529-3143 Dr. Christophe Marques, MDNew Orleans, LA · $271 in drug and device payments (2025) · Telehealth ·
(504) 842-3440 Dr. Clayton Smith, M.D., PH.D.New Orleans, LA · No drug or device payments recorded (2025) · Telehealth ·
(504) 842-3440 Dr. Donald Muller, M.D.New Orleans, LA · No drug or device payments recorded (2025) · Telehealth ·
(504) 842-3440 Dr. Ellen Zakris, MDNew Orleans, LA · $108 in drug and device payments (2025) ·
(504) 897-8387 Dr. Jill VincentNew Orleans, LA · $178 in drug and device payments (2025) ·
(504) 702-3000 Dr. Kareem Fakhoury, MDNew Orleans, LA · $431 in drug and device payments (2025) ·
(504) 897-8387 Dr. Roland Hawkins, MDNew Orleans, LA · No drug or device payments recorded (2025) ·
(504) 842-4000 Dr. Stephen Kraus, MDNew Orleans, LA · No drug or device payments recorded (2025) ·
(504) 988-6300 Dr. Troy Scroggins, MDNew Orleans, LA · No drug or device payments recorded (2025) · Telehealth ·
(504) 842-4000 Common questions
How many Radiation Oncology providers are in Louisiana?There are 66 Radiation Oncology providers with active NPI records practicing in Louisiana, according to federal NPPES data refreshed monthly.
Do Radiation Oncology providers in Louisiana offer telehealth?Yes. 12 of the 66 Radiation Oncology providers in Louisiana (about 18%) report offering telehealth services in CMS data.
Which cities in Louisiana have the most Radiation Oncology providers?Baton Rouge (15), New Orleans (11), Shreveport (11) have the highest concentration of Radiation Oncology providers in Louisiana.
How many Radiation Oncology providers in Louisiana received drug or device company payments?39 of 66 Radiation Oncology providers in Louisiana (59%) 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 Louisiana work in independent practices or large health systems?Among 49 Radiation Oncologists in Louisiana enrolled in Medicare, 22% bill through a solo or small practice with fewer than 10 clinicians, 33% through a mid-size group of 10 to 99, and 45% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Radiation Oncologists in Louisiana work at?According to CMS facility affiliation records, the Louisiana hospitals where the most Radiation Oncologists hold privileges are Ochsner Medical Center Acute in New Orleans; Willis Knighton Medical Center in Shreveport; Our Lady of the Lake Regional Medical Center in Baton Rouge.
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