Katie Lynn Ernst, APRN, DNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

AP60905096 Issued in WA

Practice address

21800 Marketplace NW St 103
Poulsbo, WA 98370-6667

Phone

(360) 291-5700

Fax

(360) 637-0863

NPI assigned

Jun 26, 2017

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

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, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Smithcare General Dermatology, Mohs Surgery and Aesthetics PLLCGroup PAC ID 7810386679, 4 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Jefferson Healthcare Hospital, Port Townsend, WA, CCN 501323

Merit-based Incentive Payment System (MIPS)

Final score

81.09 of 100Reported as apm

Quality

68.03

Promoting interoperability

81

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

92.44 of 100Reported as group

Quality

93.64

Improvement activities

40

Cost

83.29

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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 and National Provider Directory roles.

• Smithcare: General Dermatology, Mohs Surgery & Aesthetics PLLC

  dba Smithcare: Dermatology

  • MOHS-Micrographic Surgery Physician
  • Poulsbo, WA
  • NPI 1417620998

  Dermatology

  Medicare reassignment Care Compare group NPD
• Jefferson County Public Hospital District No 2

  dba Jefferson Healthcare

  • Critical Access Hospital
  • Port Townsend, WA
  • NPI 1356492953
  Medicare reassignment

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

• Jefferson County Public Hospital District No 2

  dba Jefferson Healthcare Swingbed

  • Medicare Defined Swing Bed Hospital Unit
  • Port Townsend, WA
  • NPI 1104950039
  Care Compare affiliation
• Jefferson County Public Hospital District No 2

  dba Jefferson Healthcare

  • Critical Access Hospital
  • Port Townsend, WA
  • NPI 1356492953
  Care Compare affiliation
• Jefferson County Public Hospital District No 2

  dba Sleep Medicine, Jefferson Healthcare

  • Sleep Medicine (Psychiatry & Neurology) Physician
  • Silverdale, WA
  • NPI 1467664631

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1498435200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1851811327",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21800 MARKETPLACE NW ST 103",
            "city": "POULSBO",
            "state": "WA",
            "postal_code": "983706667",
            "telephone_number": "360-291-5700",
            "fax_number": "360-637-0863"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21800 MARKETPLACE NW ST 103",
            "city": "POULSBO",
            "state": "WA",
            "postal_code": "983706667",
            "telephone_number": "360-291-5700",
            "fax_number": "360-637-0863"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ERNST",
        "first_name": "KATIE",
        "middle_name": "LYNN",
        "credential": "APRN, DNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-26",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207NS0135X",
            "taxonomy_group": "",
            "desc": "Dermatology, Procedural Dermatology",
            "state": "WA",
            "license": "AP60905096",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP60905096",
            "primary": true
        },
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "WA",
            "license": "AP60905096",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elite Kitsap Performance Physical Therapy LLC (Elite Kitsap Performance Physical Therapy)
• Katie Ellgass, M.D.
• Barbara Ellis-Danford
• Emeritus Corporation (Brookdale Montclair Poulsbo)
• Empowersyou Counseling Services
• Hannah Elizabeth Kiel Erwert, ARNP
• Brandon Escobar, OT
• Barbara Evans, LMP
• Kenneth R. Fabert, M.D.
• Adam Joseph Fairbanks, LMT

• Family Nurse Practitioner in Poulsbo, WA
• Providers in Poulsbo, 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 Aug 18, 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.