Siwek LLC

Primary specialty

Interventional Pain Medicine PhysicianTaxonomy code 208VP0014X

Legal business name

SIWEK LLC

Practice address

17500 N Perimeter Dr
Scottsdale, AZ 85255-7800

Phone

(480) 535-6300

NPI assigned

Feb 10, 2026

Last updated

Feb 10, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Adam Joseph Siwek, DO

Title

Owner

Phone

(480) 535-6300

Specialties & licenses 1

Addresses

Locations

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

{
    "created_epoch": "1770681600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770681600000",
    "number": "1982556254",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17500 N PERIMETER DR # 210",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852557800",
            "telephone_number": "480-535-6300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17500 N PERIMETER DR",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852557800",
            "telephone_number": "480-535-6300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SIWEK LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-10",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A",
        "authorized_official_last_name": "SIWEK",
        "authorized_official_first_name": "ADAM",
        "authorized_official_middle_name": "JOSEPH",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "480-535-6300",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "208VP0014X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marcia L Sistek, M.D.
• Gretchen Marie Sitek, PTA
• Tracy Sitek, AGACNP-BC
• Vickey Situ
• Preethi Nimalka Sivakumar, M.D
• Melanie L Six, D.C.
• Amy Skaalen, RN
• Krista Skaggs, DPT
• Thomas Lee Skaggs Jr.
• Julie Ann Skakoon, LPC

• Interventional Pain Medicine Physician in Scottsdale, AZ
• Providers in Scottsdale, AZ by specialty
• Interventional Pain Medicine Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.