Kelsie Helen Walczak, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

OP61688263 Issued in WA

Practice address

9709 3Rd Ave NE
Seattle, WA 98115-2062

Phone

(206) 860-2348

Fax

(206) 528-9881

NPI assigned

Apr 11, 2023

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 names 1

• Kelsie Clausen Former name

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Pacific NW Un of HS, Col of Osteopathic Medicine, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Valley Medical Center Hospital, Renton, WA, CCN 500088

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

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.

• The Polyclinic PLLC

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

  Family Medicine

  NPD (past)

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

• Public Hospital District 1 of King County

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1649209230
  Care Compare affiliation
• Valley Medical Group-Renton

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1619209574
  Care Compare affiliation

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

{
    "created_epoch": "1681171200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778544000000",
    "number": "1164117495",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9709 3RD AVE NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981152062",
            "telephone_number": "206-860-2348",
            "fax_number": "206-528-9881"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9709 3RD AVE NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981152062",
            "telephone_number": "206-860-2348",
            "fax_number": "206-528-9881"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALCZAK",
        "first_name": "KELSIE",
        "middle_name": "HELEN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-11",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "OP61688263",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KELSIE",
            "last_name": "CLAUSEN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Elizabeth Wako, MD
• Mohamed Ali Wako
• Trevor Walchenbach, MD
• Bonnie Walchuk, MA, LMFT, ATR
• Gary Alan Walco, PHD
• Philip A Walczak, DDS
• Anna Wald, MD MPH
• Brynna Jean Wald, DPT
• Matthew L Wald
• Dominique E. Waldau, CNM

• Family Medicine Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Family Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 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.