Quick answers
- Where does William R. Williamson see patients?
- Medicare's clinician data lists 2 practice locations, including Denham Springs, LA and Baton Rouge, LA. Call before your visit to confirm the address.
- What is William R. Williamson's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does William R. Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says William R. Williamson 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 William R. Williamson?
- (225) 665-2019, as listed in official Medicare / NPI Registry data.
- What is William R. Williamson's NPI number?
- 1114924560. 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 William R. Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 2290 S Range AveDenham Springs, LA 70726 (225) 665‑2019
- 550 Connell Park LnBaton Rouge, LA 70806 (225) 924‑2020
Group practices
Medicare enrollment lists William R. Williamson as a member of this group (CMS data updated 2026-10-02).
- Williamson Eye Center19 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Denham Springs
Clinicians with the same Medicare primary specialty in Denham Springs, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114924560 |
| 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