William A. Gregoire, M.D.
NPI 1154343184ActiveIndividual· Radiology, Diagnostic Radiology· Baton Rouge, LA
Radiology, Diagnostic Radiology (M.D.) in Baton Rouge, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1991). Medicare paid $190,678 for services to 3,351 patients in 2024.
Overview
| NPI | 1154343184 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 11735R | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (LA); Practitioner - Diagnostic Radiology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 3,351 |
|---|---|
| Services billed | 14,677 across 183 procedure codes |
| Paid by Medicare | $190,678 |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Ochsner Clinic LLCNew Orleans, LA · 2,864 clinicians
- North Oaks Medical Center LLCHammond, LA · 320 clinicians
- Baton Rouge Clinic, A Medical CorporationBaton Rouge, LA · 287 clinicians
- Neuromedical CenterBaton Rouge, LA · 118 clinicians
- Baton Rouge Radiology Group IncBaton Rouge, LA · 39 clinicians
Hospital affiliations
- Baton Rouge General Medical CenterBaton Rouge, LA
- Bolivar Medical CenterCleveland, MS
- Ochsner Medical Center - Baton RougeBaton Rouge, LA
- The Spine Hospital of LouisianaBaton Rouge, LA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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