Quick answers
- Where does Walter L. Williams see patients?
- Medicare's clinician data lists 1 practice location in Pullman, WA. Call before your visit to confirm the address.
- What is Walter L. Williams's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Walter L. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Walter L. Williams 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 Walter L. Williams?
- (509) 758-5141, as listed in official Medicare / NPI Registry data.
- What is Walter L. Williams's NPI number?
- 1841269248. 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 Walter L. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 1250 SE Bishop Blvd, Suite FPullman, WA 99163 (509) 758‑5141
Group practices
Medicare enrollment lists Walter L. Williams as a member of this group (CMS data updated 2026-10-02).
- Integrated Dermatology of Clarkston PLLC6 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841269248 |
| 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