Individual provider Active NPI

Ashley Anne Hollo, MD, MPH

  • Hospitalist Physician
  • Milwaukee, WI
National Provider Identifier
1154062347
Registry record updated Feb 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
85224-020 Issued in WI
Practice address
9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone
(414) 805-3000
Fax
(414) 805-6864
NPI assigned
Apr 5, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 3, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 85224-020 WI
Hospitalist Physician 208M00000X 85224-020 WI Primary

Addresses

Primary practice location

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522

Mailing address

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone (414) 805-3000

Other identifiers 1

IdentifierTypeStateIssuer
1154062347MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
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

Enrollment IDStateProvider typePAC IDDetails
I20260116000247 WI Practitioner - HospitalistPractitioner - Pediatric Medicine 4284015983 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Pediatric Medicine
Education
Medical College of Wisconsin, 2022
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

10000 W Innovation Dr
Suite 300
Milwaukee, WI 53226-4837

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
85224-020WIMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Medical College of Wisconsin, Inc. CurrentSince Feb 1, 2026 Accepting new patients
The Medical College of Wisconsin Inc Past Accepting new patients
Children'S Specialty Group, Inc. Pediatrics Past Accepting new patients

Locations

9000 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 266-2625

8701 Watertown Plank Rd
Wauwatosa, WI 53226
Phone (414) 456-4100

9200 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 259-3000

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1154062347",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-805-3000",
            "fax_number": "414-805-6864"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-805-3000",
            "fax_number": "414-805-6864"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLO",
        "first_name": "ASHLEY",
        "middle_name": "ANNE",
        "name_prefix": "Dr.",
        "credential": "MD, MPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-05",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "85224-020",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "85224-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1154062347",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.