Quick answers
- Where does Mark Williams see patients?
- Medicare's clinician data lists 1 practice location in West Lafayette, IN. Call before your visit to confirm the address.
- What is Mark Williams's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Mark Williams accept Medicare assignment?
- Medicare's clinician data says Mark Williams may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Mark Williams?
- (765) 463-4558, as listed in official Medicare / NPI Registry data.
- What is Mark Williams's NPI number?
- 1508947276. 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 Mark Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 307 Sagamore Pkwy W, Suite AWest Lafayette, IN 47906 (765) 463‑4558
Group practices
Medicare enrollment lists Mark Williams as a member of this group (CMS data updated 2026-10-02).
- Jek Asset Management LLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in West Lafayette
Clinicians with the same Medicare primary specialty in West Lafayette, IN — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Indiana University - School Of Optometry |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1508947276 |
| 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