Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Ruth Marie Foster Koth, MSW

Individual provider Clinical Social Worker · NPI 1689835712

Ruth Marie Foster Koth, MSW is a Clinical Social Worker in Seattle, Washington. Qualified in 1995, 31 years ago. Practices with The Association of University Physicians, a 3,459-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
31
Licensed in
WA
In the registry since
2008
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

11011 Meridian Ave N Ste 101
Seattle, WA 98133-8967
Phone: (206) 598-2274
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LW60125310 (WA)

Record details

NPI number1689835712
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedJune 20, 2008
Last updated in NPPESAugust 23, 2023
Certification dateAugust 23, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice The Association Of University Physicians — 3459 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations11 on file with Medicare

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