IndividualActive
Polina Costlow, LICSW
NPI 1720491038 · Clinical Social Worker · Seattle, WA
Polina Costlow, LICSW is a Clinical Social Worker provider in Seattle, WA (NPI 1720491038).
Provider details
- NPI number
- 1720491038
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- LW60948476 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
325 9th Ave
Seattle, WA 98104
Phone: (206) 744-8036
Street-level locationGet directions
Mailing address
325 9th Ave
Seattle, WA 98104-2499
Registry dates
- Enumerated
- 2014-06-04
- Last updated
- 2019-09-20
Frequently asked questions
- What is Polina Costlow's NPI number?
- Polina Costlow's National Provider Identifier (NPI) is 1720491038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Polina Costlow's specialty?
- Polina Costlow is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Polina Costlow located?
- Polina Costlow's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104.
- What is Polina Costlow's phone number?
- The practice phone number listed in the NPPES registry for Polina Costlow is (206) 744-8036.
- Is Polina Costlow's NPI active?
- Yes — Polina Costlow's NPI (1720491038) is active in the NPPES registry as of the last update on 2019-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.