Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Peiser

Individual provider Physical Therapist · NPI 1164373981

William Peiser is a Physical Therapist in Private Practice in Lakewood, Washington. Qualified in 2025, 1 year ago. Practices with Multicare Health System, a 2,302-clinician group and accepts Medicare assignment.

Years since qualifying
1
In the registry since
2026

Practice location Address checks out

9521 Gravelly Lake Dr SW
Lakewood, WA 98499-1513
Phone: (253) 983-9395
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X

Record details

NPI number1164373981
Entity typeIndividual (Type 1)
GenderNot disclosed
Sole proprietorNo
NPI enumeratedFebruary 6, 2026
Last updated in NPPESFebruary 6, 2026
Certification dateFebruary 6, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Multicare Health System — 2302 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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