Michael Williamson
NPI 1336643816 · Addiction (Substance Use Disorder) Counselor · Tacoma, WA
Michael Williamson is a Addiction (Substance Use Disorder) Counselor provider in Tacoma, WA (NPI 1336643816).
Provider details
- NPI number
- 1336643816
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- CO60722484 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-03-20
- Last updated
- 2018-03-20
Frequently asked questions
- What is Michael Williamson's NPI number?
- Michael Williamson's National Provider Identifier (NPI) is 1336643816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Williamson's specialty?
- Michael Williamson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Michael Williamson located?
- Michael Williamson's practice location on file with NPPES is 510 Tacoma Ave S, Tacoma, WA 98402-5416.
- What is Michael Williamson's phone number?
- The practice phone number listed in the NPPES registry for Michael Williamson is (253) 572-4750.
- Is Michael Williamson's NPI active?
- Yes — Michael Williamson's NPI (1336643816) is active in the NPPES registry as of the last update on 2018-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.