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

Michelle Maria Mason

Individual provider Case Management Agency · NPI 1477172278

Michelle Maria Mason is a Case Management Agency in Arlington, Washington. Practices as a sole proprietor and works from 2 locations. Registered with an NPI since 2020.

In the registry since
2020

Practice location Address checks out

20227 80th Ave NE Unit 62
Arlington, WA 98223-5907
Phone: (425) 268-3874
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 515 S Cottonwood St, Iola, KS 66749-3811 — (425) 268-3874

Specialties & licences

Case Management Agency (primary) Taxonomy 251B00000X

Record details

NPI number1477172278
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedApril 11, 2020
Last updated in NPPESApril 2, 2025
Certification dateApril 2, 2025

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