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

Mary M Derby

Individual provider Mental Health Counselor · NPI 1497220883

Mary M Derby is a Mental Health Counselor in Spokane, Washington. Licensed in Washington. Registered with an NPI since 2018.

Licensed in
WA
In the registry since
2018

Practice location Address checks out

200 N Bernard St
Spokane, WA 99201-0206
Phone: (509) 354-7946
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH60645979 (WA)

Record details

NPI number1497220883
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 11, 2018
Last updated in NPPESOctober 11, 2018

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