Erin Westmark, DNP, ARNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

AP70016466 Issued in WA

Practice address

401 N 10TH St
Tacoma, WA 98403-2947

Phone

(253) 579-5934

NPI assigned

Jul 1, 2025

Last updated

Aug 1, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Washington Gastroenterology PLLCGroup PAC ID 6204194848, 142 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tacoma General Allenmore Hospital Hospital, Tacoma, WA, CCN 500129

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Washington Gastroenterology PLLC

  • Gastroenterology Physician
  • Tacoma, WA
  • NPI 1306364401

  Family

  Medicare reassignment Care Compare group NPD
• Washington Gastroenterology PLLC

  dba Washington Gastroenterology Lab

  • Clinical Medical Laboratory
  • Federal Way, WA
  • NPI 1467011122
  NPD
• Northwestern Healthcare Management Services LLC

  dba University Place Family Care

  • Primary Care Clinic/Center
  • University Place, WA
  • NPI 1457873002
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Multicare Health System

  dba Tacoma General Allenmore

  • General Acute Care Hospital
  • Tacoma, WA
  • NPI 1366556227
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1751328000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754006400000",
    "number": "1790674067",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 N 10TH ST",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984032947",
            "telephone_number": "253-579-5934"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 N 10TH ST",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984032947",
            "telephone_number": "253-579-5934"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WESTMARK",
        "first_name": "ERIN",
        "credential": "DNP, ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-01",
        "last_updated": "2025-08-01",
        "certification_date": "2025-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WA",
            "license": "AP70016466",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "70016466-NP",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Westgate Dental Arts, Inc
• Westgate Dental Corporation
• Westgate Orthopaedic Physical Therapy and Exercise
• Matthew Westhoff, D.O.
• Wendy S Westlake
• Autumn Gayheart Westmoreland, APRN
• Diane Weston
• Sue Ellen Weston, D.D.S.
• Andrea Marie Westphal, R.D.H
• Samantha Wethington

• Nurse Practitioner in Tacoma, WA
• Providers in Tacoma, WA by specialty
• Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.