Morgan Ann Thierfelder

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

8701-23 Issued in WI

Practice address

507 N 17TH St
Milwaukee, WI 53233-2104

Phone

(262) 424-9535

NPI assigned

Jul 19, 2025

Last updated

Jan 16, 2026By the provider in NPPES

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 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

Specialty

Physician Assistant

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Orthopedic Surgeons of Wisconsin SCGroup PAC ID 5294727152, 61 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Midwest Orthopedic Specialty Hospital Hospital, Franklin, WI, CCN 520205

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Orthopedic Surgeons of Wisconsin, S.C.

  • Orthopaedic Surgery Physician
  • Wauwatosa, WI
  • NPI 1295769321
  Medicare reassignment Care Compare group

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

• Midwest Orthopedic Specialty Hospital, LLC

  • Special Hospital
  • Franklin, WI
  • NPI 1861635971
  Care Compare affiliation

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

{
    "created_epoch": "1752883200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1982596284",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "507 N 17TH ST",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532332104",
            "telephone_number": "262-424-9535"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "507 N 17TH ST",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532332104",
            "telephone_number": "262-424-9535"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THIERFELDER",
        "first_name": "MORGAN",
        "middle_name": "ANN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-07-19",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "8701-23",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brad J. Thiel, M.D.
• Elizabeth Lee Thiel, M.D.
• Elizabeth Thieleke, PA-C
• Elliot Frederick Thieleke, CRNA
• Sherry Thiemer, OTR
• Rachael Kathern Thies, APRN
• Adam Eugene Thiessen
• Sarah Elizabeth Thill, M.D.
• Natalia Kristina Thillet, DDS
• Janelle Marie Thimm, CAA

• Physician Assistant in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Physician Assistant in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 16, 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.