Marcia Williams, PHD, MPH
NPI 1922164110 · Physical Therapist · Seattle, WA
Marcia Williams, PHD, MPH is a Physical Therapist provider in Seattle, WA (NPI 1922164110).
Provider details
- NPI number
- 1922164110
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PHD, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- PT00002109 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-29
- Last updated
- 2007-10-09
Frequently asked questions
- What is Marcia Williams's NPI number?
- Marcia Williams's National Provider Identifier (NPI) is 1922164110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia Williams's specialty?
- Marcia Williams is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marcia Williams located?
- Marcia Williams's practice location on file with NPPES is 1959 Ne Pacific St, Seattle, WA 98195-0001.
- What is Marcia Williams's phone number?
- The practice phone number listed in the NPPES registry for Marcia Williams is (206) 598-0502.
- Is Marcia Williams's NPI active?
- Yes — Marcia Williams's NPI (1922164110) is active in the NPPES registry as of the last update on 2007-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.