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

MS. Janet Yongwoo Arthur, MA, RC

Individual provider Mental Health Counselor · NPI 1548492150

MS. Janet Yongwoo Arthur, MA, RC is a Mental Health Counselor in Seattle, Washington. Qualified in 2005, 21 years ago. Practices with Western Psychological and Counseling Services LLC, a 332-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
21
Licensed in
WA
In the registry since
2009
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

1448 NW Market St Ste 210
Seattle, WA 98107-3743
Phone: (206) 910-9476
Fax: (253) 474-1871
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH60328749 (WA)

Record details

NPI number1548492150
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , RC
Sole proprietorNo
NPI enumeratedAugust 14, 2009
Last updated in NPPESSeptember 18, 2025
Certification dateSeptember 18, 2025

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Western Psychological And Counseling Services Llc — 332 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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