Katlin C Wojnicki, ARNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

10023706 Issued in OR

Practice address

3015 Squalicum Pkwy Ste 140
Bellingham, WA 98225-1906

Phone

(360) 788-8420

NPI assigned

Aug 13, 2012

Last updated

Nov 20, 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 3

Addresses

Medicare fee-for-service enrollment

Enrolled in WA, OR2 enrollments

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 2

Specialty

Nurse Practitioner

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

PeacehealthGroup PAC ID 9537073960, 292 clinicians

Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Peacehealth St Joseph Medical Center Hospital, Bellingham, WA, CCN 500030

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/3889/brand/1/csg/1/fhir/r4

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.

• Optum Care Washington PLLC

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1831186766
  Medicare reassignment Care Compare group NPD
• Peacehealth

  dba PeaceHealth Medical Group

  • Internal Medicine Physician
  • Bellingham, WA
  • NPI 1356309553
  Medicare reassignment Care Compare group NPD
• Harborview Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1053359729
  Medicare reassignment NPD
• Peacehealth Medical Group - Sedro Woolley

  • Family Medicine Physician
  • Sedro Woolley, WA
  • NPI 1407283179
  Medicare reassignment NPD
• The Association of University Physicians

  dba University of Washington Physicians

  • Anesthesiology Physician
  • Seattle, WA
  • NPI 1023041159
  Medicare reassignment NPD
• The Polyclinic PLLC

  dba Optum - Broadway

  • Audiologist
  • Seattle, WA
  • NPI 1174594634
  Medicare reassignment NPD
• Oregon Healthcare Resources, LLC

  dba Oregon Medical Group

  • Multi-Specialty Clinic/Center
  • Eugene, OR
  • NPI 1982907572
  Medicare reassignment NPD
• Harborview Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1568557312
  NPD
• Optum Care Washington PLLC

  • Durable Medical Equipment & Medical Supplies
  • Marysville, WA
  • NPI 1194428425
  NPD
• The Polyclinic

  • Ambulatory Surgical Clinic/Center
  • Seattle, WA
  • NPI 1073944039
  NPD
• The Polyclinic PLLC

  dba Optum Tacoma

  • Durable Medical Equipment & Medical Supplies
  • Tacoma, WA
  • NPI 1831411487
  NPD

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

• Peacehealth

  dba St. Joseph Medical Center

  • Rural Acute Care Hospital
  • Bellingham, WA
  • NPI 1487904546
  Care Compare affiliation
• Peacehealth

  dba St Joseph Medical Center

  • General Acute Care Hospital
  • Bellingham, WA
  • NPI 1689677320
  Care Compare affiliation
• St Joseph Hospital

  dba Northwest Regional Laboratory

  • Clinical Medical Laboratory
  • Bellingham, WA
  • NPI 1013137173

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1344816000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763596800000",
    "number": "1548517105",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1648",
            "city": "EUGENE",
            "state": "OR",
            "postal_code": "974401648",
            "telephone_number": "541-242-4384"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3015 SQUALICUM PKWY STE 140",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982251906",
            "telephone_number": "360-788-8420"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "220 Unity St",
            "address_purpose": "LOCATION",
            "city": "Bellingham",
            "state": "WA",
            "postal_code": "982254429",
            "country_code": "US",
            "telephone_number": "260-676-6177",
            "fax_number": "360-671-3574",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1990 Hospital Dr Ste 110",
            "address_purpose": "LOCATION",
            "city": "Sedro Woolley",
            "state": "WA",
            "postal_code": "982849315",
            "country_code": "US",
            "telephone_number": "360-856-8830",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4545 Cordata Pkwy Ste 1A",
            "address_purpose": "LOCATION",
            "city": "Bellingham",
            "state": "WA",
            "postal_code": "982267264",
            "country_code": "US",
            "telephone_number": "360-788-8180",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2830 Crescent Ave",
            "address_purpose": "LOCATION",
            "city": "Eugene",
            "state": "OR",
            "postal_code": "974087397",
            "country_code": "US",
            "telephone_number": "541-686-9000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3927 Rucker Ave",
            "address_purpose": "LOCATION",
            "city": "Everett",
            "state": "WA",
            "postal_code": "982014833",
            "country_code": "US",
            "telephone_number": "425-339-5422",
            "fax_number": "425-339-5444",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8844 Benson Rd",
            "address_purpose": "LOCATION",
            "city": "Lynden",
            "state": "WA",
            "postal_code": "982649787",
            "country_code": "US",
            "telephone_number": "360-752-5050",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WOJNICKI",
        "first_name": "KATLIN",
        "middle_name": "C",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-08-13",
        "last_updated": "2025-11-20",
        "certification_date": "2025-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "OR",
            "license": "10023706",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP60306424",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "RN00172506",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Todd N Witte, M.D.
• James Michael Wixwat, PT
• Lucian Elias Wizer-Green
• Genevieve Wohlford
• Selva Wohlgemuth, RD
• Leslie D Wokich
• Chelsea Chelsea Wolbert
• Christina Elizabeth Wolf, MA, LMFT
• Christina Lorene Wolf, AGACNP
• Craig Wolf

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 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.