Ashley Holzbauer, LCSW, CSAC

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

9344 Issued in WI

Practice address

514 Riverview Ave
Waukesha, WI 53188-3631

Phone

(262) 548-7665

NPI assigned

Nov 11, 2021

Last updated

Oct 31, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Ashley Altreuter Former name

Medicare fee-for-service enrollment

Enrolled in WI

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, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Waukesha CountyGroup PAC ID 3971405481, 29 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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Waukesha County

  • Case Management Agency
  • Waukesha, WI
  • NPI 1740403146
  Medicare reassignment Care Compare group NPD
• Waukesha County

  • Community/Behavioral Health Agency
  • Waukesha, WI
  • NPI 1164546347
  NPD
• Waukesha County

  • Mental Illness Community Based Residential Treatment Facility
  • Waukesha, WI
  • NPI 1477314854
  NPD
• Waukesha County

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Waukesha, WI
  • NPI 1033243340
  NPD (past)

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

{
    "created_epoch": "1636588800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761868800000",
    "number": "1114683356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "514 RIVERVIEW AVE",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531883631",
            "telephone_number": "262-548-7666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "514 RIVERVIEW AVE",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531883631",
            "telephone_number": "262-548-7665"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLZBAUER",
        "first_name": "ASHLEY",
        "credential": "LCSW, CSAC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-11-11",
        "last_updated": "2025-10-31",
        "certification_date": "2025-10-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "WI",
            "license": "9344",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "9344",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ASHLEY",
            "last_name": "ALTREUTER",
            "credential": "LCSW, CSAC",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Mark Clifford Hollister, M.D.
• Winston N Hollister, MD
• David Holloway, M.D.
• Emma Holmi
• Sarah Elizabeth Holtz, BA, SAC
• Donald Paul Holzhauer, D.D.S., M.S.
• Owen William Hombsch
• Hometown Hospice & Homecare Inc (St Croix Hospice)
• Abigail Homuth
• Carrie L Honerbaum

• Clinical Social Worker in Waukesha, WI
• Providers in Waukesha, WI by specialty
• Clinical Social Worker in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 31, 2025; 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.