Sarah Gattis, ARNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

AP61362965 Issued in WA

Practice address

12728 19TH Ave SE Ste 300
Everett, WA 98208-6676

Phone

(425) 317-8025

Fax

(425) 252-9860

NPI assigned

Oct 26, 2022

Last updated

Jan 22, 2026By 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 1

Addresses

Other identifiers 2

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, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Western Washington Medical Group Inc PSGroup PAC ID 7517870314, 111 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Regional Medical Center Everett Hospital, Everett, WA, CCN 500014

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sgattis726899@direct.multicare.org

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.

• Western Washington Medical Group, Inc PS

  dba WWMG Department of Psychiatry

  • Psychiatry Physician
  • Everett, WA
  • NPI 1396413803
  Medicare reassignment Care Compare group NPD
• Western Washington Medical Group, Inc PS

  dba Western Washington Medical Group Dept of Infectious Disease

  • Infectious Disease Physician
  • Everett, WA
  • NPI 1427816305
  NPD
• Western Washington Medical Group, Inc PS

  dba WWMG Dept of Imaging

  • Radiology Clinic/Center
  • Everett, WA
  • NPI 1720430903
  NPD
• Western Washington Medical Group, Inc PS

  • Gastroenterology Physician
  • Everett, WA
  • NPI 1023065919
  NPD (past)

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

• Providence Health & Services-Wa

  dba Providence Regional Medical Center Everett

  • Hospitalist Physician
  • Everett, WA
  • NPI 1649615220
  Care Compare affiliation
• Providence Health & Services-Wa

  • General Acute Care Hospital
  • Everett, WA
  • NPI 1700037801
  Care Compare affiliation

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

{
    "created_epoch": "1666742400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1497472815",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12728 19TH AVE SE STE 300",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982086676",
            "telephone_number": "425-317-8025",
            "fax_number": "425-252-9860"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12728 19TH AVE SE STE 300",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982086676",
            "telephone_number": "425-317-8025",
            "fax_number": "425-252-9860"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4225 Hoyt Ave Ste D",
            "address_purpose": "LOCATION",
            "city": "Everett",
            "state": "WA",
            "postal_code": "982032351",
            "country_code": "US",
            "telephone_number": "425-317-8025",
            "fax_number": "425-317-9516",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GATTIS",
        "first_name": "SARAH",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-10-26",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP61362965",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1045098",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WASHINGTON STATE NURSING QUALITY ASSURANCE COMMISSION",
            "identifier": "AP61362965",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Armando Garza, I.D.C.
• Monyatsi Gaseitsiwe
• Julie Michelle Gass, MA, LMHC, CMHS
• Trevor Gatenby, DPM
• Gateway Anesthesia Services, PLLC
• Nathalie Gauteron, LICSW
• Lenora Gauthier
• John M Gavareski, PA-C
• Lakisha Gavin
• Liisa M Gavlick

• Family Nurse Practitioner in Everett, WA
• Providers in Everett, WA by specialty
• Family Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 2026; 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.