IndividualActive
Mary Hammons, MSW
NPI 1902917800 · Social Worker · Seattle, WA
Mary Hammons, MSW is a Social Worker provider in Seattle, WA (NPI 1902917800).
Provider details
- NPI number
- 1902917800
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1954 (OR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1660 S Columbian Way
Seattle, WA 98108-1532
Phone: (206) 277-6008
Street-level locationGet directions
Mailing address
2308 Ne 92nd St
Seattle, WA 98115-3333
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Hammons's NPI number?
- Mary Hammons's National Provider Identifier (NPI) is 1902917800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hammons's specialty?
- Mary Hammons is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Hammons located?
- Mary Hammons's practice location on file with NPPES is 1660 S Columbian Way, Seattle, WA 98108-1532.
- What is Mary Hammons's phone number?
- The practice phone number listed in the NPPES registry for Mary Hammons is (206) 277-6008.
- Is Mary Hammons's NPI active?
- Yes — Mary Hammons's NPI (1902917800) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.