Individual provider Active NPI

Hannah Elizabeth Williams, PA-C

  • Physician Assistant
  • Milwaukee, WI
National Provider Identifier
1588225544
Registry record updated Jan 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
4785-23 Issued in WI
Practice address
2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 53215-3689
Phone
(414) 908-6506
Fax
(414) 908-6510
NPI assigned
Jun 21, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 4785-23 WI Primary

Addresses

Primary practice location

2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 53215-3689

Mailing address

2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 53215-3689
Phone (414) 908-6506

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200205000630 WI Practitioner - Physician Assistant 9234565524 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Gi Associates LLCGroup PAC ID 6103738562, 55 clinicians
Ascension Medical Group-Southeast Wisconsin IncGroup PAC ID 8628980943, 551 clinicians

Practice addresses (Care Compare)

19333 W N Ave
Brookfield, WI 53045-4132
Phone (262) 785-2000

201 N Mayfair Rd
Wauwatosa, WI 53226-4216

2801 W Kinnickinnic River Pkwy
Suite 1080
Milwaukee, WI 53215-3689
Phone (414) 908-6500

3237 S 16TH St
Milwaukee, WI 53215-4526
Phone (414) 647-5000

3811 Spring St
Mount Pleasant, WI 53405-1667
Phone (262) 687-4011

9969 S 27TH St
Franklin, WI 53132-9533
Phone (414) 325-4940

Hospital & facility affiliations

  • Ascension SE Wisconsin Hospital Hospital, Milwaukee, WI, CCN 520136
  • Ascension All Saints Hospital Hospital, Racine, WI, CCN 520096

Merit-based Incentive Payment System (MIPS)

Final score
85.73 of 100Reported as group
Quality
58.78
Promoting interoperability
95
Improvement activities
40
Cost
88.4

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
4785-23WIMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Ascension Medical Group-Southeast Wisconsin Inc Physician Assistant CurrentSince Jan 23, 2020 Accepting new patients
Ascension All Saints Hospital, Inc Past Accepting new patients

Locations

13950 W Capitol Dr
Brookfield, WI 53005
Phone (414) 302-5400

19333 W North Ave
Brookfield, WI 53045
Phone (262) 785-2000

10101 S 27th St
Franklin, WI 53132
Phone (414) 325-4700

8220 75th St
Ste 100
Kenosha, WI 53142
Phone (262) 687-8300

3811 Spring St
Ste 202
Mount Pleasant, WI 53405
Phone (262) 687-7356

3801 Spring St
Mount Pleasant, WI 53405
Phone (262) 636-4011

201 N Mayfair Rd
Fl 2
Wauwatosa, WI 53226
Phone (414) 771-8228

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.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1561075200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1588225544",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2801 W KINNICKINNIC RIVER PKWY STE 1080",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532153689",
            "telephone_number": "414-908-6506",
            "fax_number": "414-908-6510"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2801 W KINNICKINNIC RIVER PKWY STE 1080",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532153689",
            "telephone_number": "414-908-6506",
            "fax_number": "414-908-6510"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "HANNAH",
        "middle_name": "ELIZABETH",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-21",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "4785-23",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.