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

Marissa Lynn Cosaert

Individual provider Mental Health Counselor · NPI 1023975612

Marissa Lynn Cosaert is a Mental Health Counselor in Walla Walla, Washington. Licensed in Washington. Registered with an NPI since 2026.

Licensed in
WA
In the registry since
2026

Practice location Address checks out

5 W Alder St Ste 333
Walla Walla, WA 99362-2849
Phone: (509) 529-4774
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 MHCA.MC.70045905 (WA)

Record details

NPI number1023975612
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 6, 2026
Last updated in NPPESJanuary 6, 2026
Certification dateJanuary 6, 2026

Other providers in Walla Walla