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

Nicollette Marie Markin, MSW

Individual provider Clinical Social Worker · NPI 1598483174

Nicollette Marie Markin, MSW is a Clinical Social Worker in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2022
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

1600 S Lane St
Seattle, WA 98144-2810
Phone: (206) 682-2371
Fax: (206) 329-1055
Show map & directions

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

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X · Licence SC61009533 (WA)
Clinical Social Worker Taxonomy 1041C0700X · Licence SC61009533 (WA)

Record details

NPI number1598483174
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedAugust 18, 2022
Last updated in NPPESAugust 19, 2022
Certification dateAugust 19, 2022

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