IndividualActive
Sharon Mast, LICSW
NPI 1700520095 · Clinical Social Worker · Seattle, WA
Sharon Mast, LICSW is a Clinical Social Worker provider in Seattle, WA (NPI 1700520095).
Provider details
- NPI number
- 1700520095
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- LW60956552 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
1111 Expedia Group Way W
Seattle, WA 98119-1111
Phone: (206) 712-7130
Approximate (ZIP-level) locationGet directions
Mailing address
1035 116th Ave Ne
Bellevue, WA 98004-4604
Registry dates
- Enumerated
- 2022-04-23
- Last updated
- 2022-04-23
- Certified
- 2022-04-18
Frequently asked questions
- What is Sharon Mast's NPI number?
- Sharon Mast's National Provider Identifier (NPI) is 1700520095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sharon Mast's specialty?
- Sharon Mast is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sharon Mast located?
- Sharon Mast's practice location on file with NPPES is 1111 Expedia Group Way W, Seattle, WA 98119-1111.
- What is Sharon Mast's phone number?
- The practice phone number listed in the NPPES registry for Sharon Mast is (206) 712-7130.
- Is Sharon Mast's NPI active?
- Yes — Sharon Mast's NPI (1700520095) is active in the NPPES registry as of the last update on 2022-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.