OrganizationActive
Marvin Wallace Williams PLLC
NPI 1255066577 · Psychiatric/Mental Health Nurse Practitioner · Tukwila, WA
Provider details
- NPI number
- 1255066577
- Entity type
- Organization
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Marvin Williams, Owner(210) 883-5936
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
14900 Interurban Ave S Ste 271-111
Tukwila, WA 98168-4635
Phone: (210) 883-5936
Street-level locationGet directions
Mailing address
14900 Interurban Ave S Ste 271-111
Tukwila, WA 98168-4635
Registry dates
- Enumerated
- 2022-07-20
- Last updated
- 2022-07-20
- Certified
- 2022-07-20
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.