Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Laykin Mary Elizabeth Boyes, PMHNP, LMHC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1649746876

Laykin Mary Elizabeth Boyes, PMHNP, LMHC is a Psychiatric/Mental Health Nurse Practitioner in Spokane, Washington. Practices as a sole proprietor and works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2018
Specialties on file
2
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

1212 N Washington St Ste 114
Spokane, WA 99201-2401
Phone: (509) 761-9608
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 200 N Bernard St, Spokane, WA 99201-0206 — (509) 354-7946

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence AP70067324 (WA)
Mental Health Counselor Taxonomy 101YM0800X · Licence LH60855842 (WA)

Record details

NPI number1649746876
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP , LMHC
Sole proprietorYes
NPI enumeratedOctober 15, 2018
Last updated in NPPESDecember 5, 2025
Certification dateDecember 5, 2025

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