Natalie Ann Siegel, SWC

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

CSW.09932713 Issued in CO

Practice address

5250 Leetsdale Dr Ste 300
Denver, CO 80246-1451

Phone

(720) 782-5018

NPI assigned

Oct 29, 2024

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Vivent Health IncGroup PAC ID 1052308376, 54 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Vivent Health Inc

  • Clinic/Center
  • Milwaukee, WI
  • NPI 1982654091

  CO

  Medicare reassignment Care Compare group NPD
• Vivent Health Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Milwaukee, WI
  • NPI 1770721607
  NPD

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

{
    "created_epoch": "1730160000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772668800000",
    "number": "1548082654",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5250 LEETSDALE DR STE 300",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802461451",
            "telephone_number": "720-782-5018"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5250 LEETSDALE DR STE 300",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802461451",
            "telephone_number": "720-782-5018"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEGEL",
        "first_name": "NATALIE",
        "middle_name": "ANN",
        "credential": "SWC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-10-29",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CO",
            "license": "CSW.09932713",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paul N Siebert, MD
• Breanna Sieck
• Adrienne J Siefert, MSPT
• Daniel O Siegel, MD
• Erin Marie Siegel, LE. CLC, CMA
• Samantha Siegel, MA
• Sandra Siegel, PH.D.
• G. Bryan Siegrist, DDS
• Kevin Sieja, M.D.
• Annette C Siemens, FNP

• Clinical Social Worker in Denver, CO
• Providers in Denver, CO by specialty
• Clinical Social Worker in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 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.