Ruth Foster Koth, MSW
NPI 1689835712 · Clinical Social Worker · Seattle, WA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Foster Koth, MSW is a Clinical Social Worker provider in Seattle, WA (NPI 1689835712).
Provider details
- NPI number
- 1689835712
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
- License
- LW60125310 (WA)
Specialties & taxonomies
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
18 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
- 2008-06-20
- Last updated
- 2023-08-23
- Certified
- 2023-08-23
Frequently asked questions
- What is Ruth Foster Koth's NPI number?
- Ruth Foster Koth's National Provider Identifier (NPI) is 1689835712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Foster Koth's specialty?
- Ruth Foster Koth is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Ruth Foster Koth located?
- Ruth Foster Koth's practice location on file with NPPES is 11011 Meridian Ave N Ste 101, Seattle, WA 98133-8967.
- What is Ruth Foster Koth's phone number?
- The practice phone number listed in the NPPES registry for Ruth Foster Koth is (206) 598-2274.
- Does Ruth Foster Koth accept Medicare?
- Ruth Foster Koth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Foster Koth's NPI active?
- Yes — Ruth Foster Koth's NPI (1689835712) is active in the NPPES registry as of the last update on 2023-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.