Andrea Sieg, MSW

Primary specialty

Social WorkerTaxonomy code 104100000X

License

6801095127 Issued in MI

Practice address

950 Victors Way Ste 10
Ann Arbor, MI 48108-5217

Phone

(734) 975-5000

NPI assigned

May 7, 2013

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 MI

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

Medicare enrollment (NPD)

Enrolled

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.

• Vpa PC

  • Family Medicine Physician
  • Portage, MI
  • NPI 1669091864
  Medicare reassignment
• Sasco Dexter LLC

  • Community/Retail Pharmacy
  • Dexter, MI
  • NPI 1588929160
  NPD (past)
• Vpa PC

  • Family Medicine Physician
  • Troy, MI
  • NPI 1336153295
  NPD (past)
• Vpa PC

  • Family Medicine Physician
  • Brentwood, TN
  • NPI 1578363362
  NPD (past)

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

{
    "created_epoch": "1367884800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1487099297",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 40412",
            "city": "BELFAST",
            "state": "ME",
            "postal_code": "049151255",
            "telephone_number": "734-975-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "950 VICTORS WAY STE 10",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481085217",
            "telephone_number": "734-975-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "150 S 5th Ave",
            "address_2": "Suite 204",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481041999",
            "country_code": "US",
            "telephone_number": "734-330-7629",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIEG",
        "first_name": "ANDREA",
        "credential": "MSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2013-05-07",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "MI",
            "license": "6801095127",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lauren Marie Siebenaler
• Ronald Siebenaler, MD, PHD
• Daniel Siebenaller, PA-C
• Jean Hansen Siedel, D.O.
• Charles B Siedlecki, MD
• Geoffrey Siegel, MD
• Christine Jane Siegert, RRT
• Martha Siegmund, RDN
• Georgiana Pacini Siehl, MA, CCC-SLP
• Alan M Sielaff, M.D.

• Social Worker in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Social Worker in Michigan

• 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.