Robert S. Fields, M.D.
Therapeutic Radiology Physician · Baton Rouge, LA
Robert S. Fields, M.D. is a therapeutic radiology physician with a practice address in Baton Rouge, Louisiana, and NPI 1700984093, issued on Sep 20, 2006. Check the license (Louisiana 06827R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert S. Fields
- Credential
- M.D.
- Primary taxonomy
- Therapeutic Radiology Physician 2085R0203X
- License number
- 06827R LA
Self-reported in NPPES; status is on the state search - Practice location
- 4950 Essen Lane, Baton Rouge, LA 70809
- Phone
- (225) 767-0847
- Enumerated
- Sep 20, 2006
- Record last updated
- Dec 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (225) 766-1417
- Medicaid ID
- 1353507 LA
- Medicare enrollment
- Enrolled (PECOS I20081215000019); accepts Medicare assignment
- Entity
- Type 1 · individual
5 nearest therapeutic radiology physician records → All 6 in Louisiana → Look up another NPI →
Also registered at 4950 Essen Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Antrobus, M.D.MOHS-Micrographic Surgery Physician1629116553
- Bryan Bienvenu, MDHematology & Oncology Physician1932121795
- Frederic Billings, M.D.Hematology & Oncology Physician1063519072
- Gregory Henkelmann, MDRadiation Oncology Physician1639264237
- Sheldon Johnson, M.D.Therapeutic Radiology Physician1568554871
- Maurice King, M.D.Radiation Oncology Physician1194817411
Verify Robert S. Fields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 06827RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average therapeutic radiology physician in 2024
41 Medicare Part D claims, against an average of 161 among the 108 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Pentoxifylline33 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Mary Bird Perkins Cancer CenterBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Therapeutic Radiology Physician providers in Louisiana
There are 6 therapeutic radiology physician records in Louisiana.
All 6 in Louisiana → Every provider in Baton Rouge → Therapeutic Radiology Physician nationwide →
The 5 therapeutic radiology physician records with the nearest ZIP codes
- Sheldon Johnson, M.D.Baton Rouge, LA 708091568554871
- William Russell, M.D.Baton Rouge, LA 708091437190667
- Mary Ella Sanders, MDBaton Rouge, LA 708091740200922
- Glenn Stewart, M.D.Lafayette, LA 705031649320052
- Jeffrey Long, MDHouma, LA 703601629177936
Common questions
What is Robert S. Fields, M.D.'s NPI number?
Robert S. Fields, M.D.'s National Provider Identifier (NPI) is 1700984093, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert S. Fields, M.D. located?
The NPPES record lists a practice address at 4950 Essen Lane, Baton Rouge, LA, 70809. Phone: (225) 767-0847. Providers update this record themselves, so call before visiting.
How can I verify Robert S. Fields, M.D.'s license?
NPPES lists Louisiana license number 06827R, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert S. Fields, M.D. prescribe under Medicare Part D?
In 2024, Robert S. Fields, M.D. had 41 Medicare Part D claims; the average among therapeutic radiology physician prescribers was 161. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.