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

Erin Westmark, DNP, ARNP

Individual provider Family Nurse Practitioner · NPI 1790674067

Erin Westmark, DNP, ARNP is a Nurse Practitioner in Tacoma, Washington. Qualified in 2025, 1 year ago. Practices with Washington Gastroenterology PLLC, a 143-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
1
Licensed in
WA
In the registry since
2025
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

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Practice location Address checks out

401 N 10th St
Tacoma, WA 98403-2947
Phone: (253) 579-5934
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence AP70016466 (WA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 70016466-NP (WA)

Record details

NPI number1790674067
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , ARNP
Sole proprietorNo
NPI enumeratedJuly 1, 2025
Last updated in NPPESAugust 1, 2025
Certification dateAugust 1, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Washington Gastroenterology Pllc — 143 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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