Matthew J. Siebert, MD

Primary specialty

Pediatric Orthopaedic Surgery PhysicianTaxonomy code 207XP3100X

License

12420113-1205 Issued in UT

Practice address

590 S Wakara Way
Salt Lake City, UT 84108-1200

Phone

(801) 587-5448

NPI assigned

Mar 30, 2020

Last updated

Jun 23, 2026By the provider in NPPES

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

Enrolled in UT

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1585526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1073141768",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "590 S WAKARA WAY",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841081200",
            "telephone_number": "801-587-5448",
            "fax_number": "801-587-5411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "590 S WAKARA WAY",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841081200",
            "telephone_number": "801-587-5448"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEBERT",
        "first_name": "MATTHEW",
        "middle_name": "J.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-30",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "UT",
            "license": "12420113-1205",
            "primary": false
        },
        {
            "code": "207XP3100X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Pediatric Orthopaedic Surgery",
            "state": "UT",
            "license": "12420113-1205",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Konstantinos Sideris
• Andrew C Sidoli, LMSW, LADAC
• Abbie Lyn Siebenhaar, PAC
• Kimberly Olson Sieber, PH.D.
• Nikki Sieber
• William Siegel, MD
• Chloe Ann Siegfried
• Donna Siepker
• Emily A. Sierakowski, MD
• Jaren Sierer, BSN, RN

• Pediatric Orthopaedic Surgery Physician in Salt Lake City, UT
• Providers in Salt Lake City, UT by specialty
• Pediatric Orthopaedic Surgery Physician in Utah

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.