Joseph Michael Sliepka III, MD

Primary specialty

Pediatric Orthopaedic Surgery PhysicianTaxonomy code 207XP3100X

License

MD.70018281 Issued in WA

Practice address

4800 Sand Point Way NE
Seattle, WA 98105-3901

Phone

(206) 987-2000

NPI assigned

Mar 26, 2020

Sex

Male

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

Not listed in the public Medicare enrollment file

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.

Specialty

Orthopedic Surgery

Education

Other, 2020

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1585180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1093342248",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4800 SAND POINT WAY NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981053901"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4800 SAND POINT WAY NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981053901",
            "telephone_number": "206-987-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SLIEPKA",
        "first_name": "JOSEPH",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-26",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "WA",
            "license": "MD.70018281",
            "primary": false
        },
        {
            "code": "207XP3100X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Pediatric Orthopaedic Surgery",
            "state": "WA",
            "license": "MD.70018281",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stephanie Sleeper
• Georgia A Sleeth, MD, MSC
• Lauren Slevin, PHD
• Julian Francisco Slezak
• Karen Laura Slezak, PHARMD
• Benjamin Slightom
• Renee Elizabeth Sliker, CRNA
• Timothy Slinger, MSPT
• Christopher Robert Slivka, ARNP
• Alicia Pauline Sloan, MPH, MSW

• Pediatric Orthopaedic Surgery Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Pediatric Orthopaedic Surgery Physician in Washington

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