IndividualActive
Diane Lostrangio, MSW
NPI 1265729545 · Clinical Social Worker · Seattle, WA
Diane Lostrangio, MSW is a Clinical Social Worker provider in Seattle, WA (NPI 1265729545).
Provider details
- NPI number
- 1265729545
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- WA 00006334 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
225 14th Ave E
Seattle, WA 98112-5275
Phone: (206) 799-4736
Street-level locationGet directions
Mailing address
225 14th Ave E
Seattle, WA 98112-5275
Registry dates
- Enumerated
- 2011-07-07
- Last updated
- 2011-07-07
Frequently asked questions
- What is Diane Lostrangio's NPI number?
- Diane Lostrangio's National Provider Identifier (NPI) is 1265729545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Lostrangio's specialty?
- Diane Lostrangio is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Lostrangio located?
- Diane Lostrangio's practice location on file with NPPES is 225 14th Ave E, Seattle, WA 98112-5275.
- What is Diane Lostrangio's phone number?
- The practice phone number listed in the NPPES registry for Diane Lostrangio is (206) 799-4736.
- Is Diane Lostrangio's NPI active?
- Yes — Diane Lostrangio's NPI (1265729545) is active in the NPPES registry as of the last update on 2011-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.