Erin Westmark, DNP, ARNP
Nurse Practitioner · Tacoma, WA
Erin Westmark, DNP, ARNP is a nurse practitioner with a practice address in Tacoma, Washington, and NPI 1790674067, issued on Jul 1, 2025. Check the license (Washington AP70016466, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin Westmark
- Credential
- DNP, ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- AP70016466 WA
70016466-NP WA
Self-reported in NPPES; status is on the state search - Practice location
- 401 N 10TH St, Tacoma, WA 98403
- Phone
- (253) 579-5934
- Enumerated
- Jul 1, 2025
- Record last updated
- Aug 1, 2025
- Medicare enrollment
- Enrolled (PECOS I20250815003861); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,308 in Washington → Look up another NPI →
Verify Erin Westmark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP70016466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Washington Gastroenterology PLLCTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin Westmark among 2,308 nurse practitioner records in Washington
Erin Westmark, DNP, ARNP is one of 2,308 nurse practitioner records with a practice address in Washington. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 95% of them.
- NPI issued2025 · 95% of these records are older, 1% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2025 · median 2018 among the 1,301 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 nurse practitioner records list a practice address in Tacoma
They are 158 of the 13,715 NPPES records with a practice address in Tacoma, and 2,308 nurse practitioner records in Washington.
All 2,308 in Washington → Every provider in Tacoma → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Rebecca Allen, PHD ARNP RNTacoma, WA 984031477596781
- Angelina Laforteza, ARNPTacoma, WA 984031952873515
- Amber Pries, ARNPTacoma, WA 984031417299025
- Daniel Borkert, NPTacoma, WA 984021457827032
- Marissa Garrett, DNP, AGNP-C, PMHNP-CTacoma, WA 984021548737661
- Nasir GebiTacoma, WA 984021861968612
- Meridith Hallowell, ARNPTacoma, WA 984021679129431
- Elizabeth Irons, ARNPTacoma, WA 984021558811570
Common questions
What is Erin Westmark, DNP, ARNP's NPI number?
Erin Westmark, DNP, ARNP's National Provider Identifier (NPI) is 1790674067, issued on Jul 1, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Erin Westmark, DNP, ARNP located?
The NPPES record lists a practice address at 401 N 10TH St, Tacoma, WA, 98403. Phone: (253) 579-5934. Providers update this record themselves, so call before visiting.
How can I verify Erin Westmark, DNP, ARNP's license?
NPPES lists Washington license number AP70016466, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.