IndividualActive
Clifford Mills, LICSW
NPI 1346701380 · Clinical Social Worker · Seattle, WA
Clifford Mills, LICSW is a Clinical Social Worker provider in Seattle, WA (NPI 1346701380).
Provider details
- NPI number
- 1346701380
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- LW60512419 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
401 5th Ave Ste 400
Seattle, WA 98104-2377
Phone: (206) 263-9202
Fax: (206) 296-0582
Street-level locationGet directions
Mailing address
401 5th Ave Ste 400
Seattle, WA 98104-2377
Registry dates
- Enumerated
- 2019-03-30
- Last updated
- 2019-03-30
Frequently asked questions
- What is Clifford Mills's NPI number?
- Clifford Mills's National Provider Identifier (NPI) is 1346701380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clifford Mills's specialty?
- Clifford Mills is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Clifford Mills located?
- Clifford Mills's practice location on file with NPPES is 401 5th Ave Ste 400, Seattle, WA 98104-2377.
- What is Clifford Mills's phone number?
- The practice phone number listed in the NPPES registry for Clifford Mills is (206) 263-9202.
- Is Clifford Mills's NPI active?
- Yes — Clifford Mills's NPI (1346701380) is active in the NPPES registry as of the last update on 2019-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.