Alexandra Ernst, MD, MPH

Primary specialty

Orthopaedic Foot and Ankle Surgery PhysicianTaxonomy code 207XX0004X

License

A204267 Issued in CA

Practice address

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522

Phone

(414) 805-7400

NPI assigned

Jun 8, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, NV2 enrollments

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 2

Specialty

Orthopedic Surgery

Education

Emory University School of Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regents of the Univ of CaGroup PAC ID 3375456619, 1,571 clinicians

Reno Orthopaedic Clinic LTDGroup PAC ID 2567355316, 96 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of California Davis Medical Center Hospital, Sacramento, CA, CCN 050599
• Renown Regional Medical Center Hospital, Reno, NV, CCN 290001

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Regents of the Univ of Ca

  • Maternal & Fetal Medicine Physician
  • Sacramento, CA
  • NPI 1013906973
  Medicare reassignment Care Compare group NPD
• Reno Orthopaedic Clinic, LTD

  • Orthopaedic Surgery Physician
  • Reno, NV
  • NPI 1245228972
  Medicare reassignment Care Compare group
• Regents of the Univ of Ca

  • Orthopaedic Surgery Physician
  • Sacramento, CA
  • NPI 1275526295
  NPD
• Regents of the Univ of Ca

  • Diagnostic Radiology Physician
  • Sacramento, CA
  • NPI 1477546406
  NPD
• Reno Orthopaedic Clinic, LTD

  • Orthopaedic Surgery Physician
  • Fernley, NV
  • NPI 1619839727
  NPD
• Reno Orthopaedic Clinic, LTD

  • Orthopaedic Surgery Physician
  • Sparks, NV
  • NPI 1821497652
  NPD

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

• Regents of the University of California

  • General Acute Care Hospital
  • Sacramento, CA
  • NPI 1710918545
  Care Compare affiliation
• Renown Regional Medical Center

  • General Acute Care Hospital
  • Reno, NV
  • NPI 1124098421
  Care Compare affiliation
• Renown Regional Medical Center

  • General Acute Care Hospital
  • Sparks, NV
  • NPI 1932517299
  Care Compare affiliation

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

{
    "created_epoch": "1591574400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1144845900",
    "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": "414-805-7400"
        },
        {
            "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": "414-805-7400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ERNST",
        "first_name": "ALEXANDRA",
        "credential": "MD, MPH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-06-08",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "A204267",
            "primary": false
        },
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "CA",
            "license": "A204267",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rebecca Ericson
• Ericsteadfast Personal Care Agency
• Calvin Eriksen, MD
• Kevin D Erlinder, M.D.
• Ermed, SC
• Sarah Patricia Erpenbeck
• Elizabeth Nicole Erschen, NNP
• Stephanie Erstad, MS, LPC-IT, TIC
• Richard J. Ertl, PH.D.
• Donna Christine Ertz, NP

• Orthopaedic Foot and Ankle Surgery Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Orthopaedic Foot and Ankle Surgery Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.