Margaret Mathai
NPI 1609342658 · Social Worker · Seattle, WA
Margaret Mathai is a Social Worker provider in Seattle, WA (NPI 1609342658).
Provider details
- NPI number
- 1609342658
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- SC603972275 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
Mailing address
Registry dates
- Enumerated
- 2018-10-17
- Last updated
- 2019-02-20
Frequently asked questions
- What is Margaret Mathai's NPI number?
- Margaret Mathai's National Provider Identifier (NPI) is 1609342658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mathai's specialty?
- Margaret Mathai is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Margaret Mathai located?
- Margaret Mathai's practice location on file with NPPES is 901 Rainier Ave S, Seattle, WA 98144-2839.
- What is Margaret Mathai's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mathai is (206) 470-3880.
- Is Margaret Mathai's NPI active?
- Yes — Margaret Mathai's NPI (1609342658) is active in the NPPES registry as of the last update on 2019-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.