Quick answers
- Where does Robert S. Fields see patients?
- Medicare's clinician data lists 3 practice locations, including Baton Rouge, LA. Call before your visit to confirm the address.
- What is Robert S. Fields's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Robert S. Fields accept Medicare assignment?
- Yes. Medicare's clinician data says Robert S. Fields accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Robert S. Fields?
- (225) 767-0847, as listed in official Medicare / NPI Registry data.
- What is Robert S. Fields's NPI number?
- 1700984093. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Robert S. Fields is enrolled with Medicare (CMS data updated 2026-10-02).
- 4950 Essen LnBaton Rouge, LA 70809 (225) 767‑0847
- 4950 Essen Ln, Suite 200Baton Rouge, LA 70809
- 4950 Essen Ln, Suite 500Baton Rouge, LA 70809 (225) 767‑0847
Group practices
Medicare enrollment lists Robert S. Fields as a member of this group (CMS data updated 2026-10-02).
- Mary Bird Perkins Cancer Center100 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Louisiana
Clinicians with the same Medicare primary specialty in Louisiana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1975 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700984093 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians