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

Anna Casillas Arnp PLLC

Organization Primary Care Clinic/Center · NPI 1982478160

Anna Casillas Arnp PLLC is a Primary Care Clinic/Center in Mount Vernon, Washington. Registered with an NPI since 2023.

In the registry since
2023
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2021 E College Way
Mount Vernon, WA 98273-2373
Phone: (360) 755-3670
Fax: (360) 873-8697
Show map & directions

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

Specialties & licences

Primary Care Clinic/Center (primary) Taxonomy 261QP2300X

Record details

NPI number1982478160
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Anna Casillas — Family Nurse Practitioner · (406) 792-5444
NPI enumeratedNovember 8, 2023
Last updated in NPPESNovember 8, 2023
Certification dateNovember 8, 2023
Mailing address1317 Fir Ln, Mount Vernon, WA 98273-2535

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