Quick answers
- Where does Stephen M. Williams see patients?
- Medicare's clinician data lists 2 practice locations, including Chehalis, WA and Rochester, WA. Call before your visit to confirm the address.
- What is Stephen M. Williams's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Stephen M. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen M. 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 Stephen M. Williams?
- (360) 996-4410, as listed in official Medicare / NPI Registry data.
- What is Stephen M. Williams's NPI number?
- 1396894697. 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 Stephen M. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 1817 S Market Blvd, Suite CChehalis, WA 98532 (360) 996‑4410
- 19548 Vision Dr SW, Suite CRochester, WA 98579 (360) 669‑0564
Group practices
Medicare enrollment lists Stephen M. Williams as a member of this group (CMS data updated 2026-10-02).
- Centralia Physical Therapy Inc PS20 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Washington →
Other physical therapists in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396894697 |
| 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