Quick answers
- Which hospitals does John W. McDonald Sr. work at?
- Medicare's official clinician data lists John W. McDonald Sr. at 4 hospitals: Baton Rouge General Medical Center, Our Lady of the Lake Regional Medical Center, West Feliciana Parish Hospital and Womans Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John W. McDonald Sr. see patients?
- Medicare's clinician data lists 3 practice locations, including Lafayette, LA, Baton Rouge, LA and Thibodaux, LA. Call before your visit to confirm the address.
- What is John W. McDonald Sr.'s specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does John W. McDonald Sr. accept Medicare assignment?
- Yes. Medicare's clinician data says John W. McDonald Sr. 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 John W. McDonald Sr.?
- (337) 261-6000, as listed in official Medicare / NPI Registry data.
- What is John W. McDonald Sr.'s NPI number?
- 1386834281. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John W. McDonald Sr. works
Medicare's Facility Affiliation Data lists John W. McDonald Sr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baton Rouge General Medical CenterBaton Rouge, LA · Acute Care Hospital · CCN 190065
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA · Acute Care Hospital · CCN 190064
- West Feliciana Parish HospitalSaint Francisville, LA · Critical Access Hospital · CCN 191306
- Womans HospitalBaton Rouge, LA · Acute Care Hospital · CCN 190128
Practice locations
Addresses where John W. McDonald Sr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 2390 W Congress StLafayette, LA 70506 (337) 261‑6000
- 5000 Hennessy BlvdBaton Rouge, LA 70808 (225) 765‑6565
- 764 N Acadia Rd, Suite AThibodaux, LA 70301 (985) 446‑1958
Group practices
Medicare enrollment lists John W. McDonald Sr. as a member of these groups (CMS data updated 2026-10-02).
- Texas Digestive Disease Consultants, PLLC608 clinicians in the group
- Lsuhn Billing LLC206 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Lafayette
Clinicians with the same Medicare primary specialty in Lafayette, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In Shreveport |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386834281 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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