Ethan Leif, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

18967 Issued in SD

Practice address

1600 S Highline Ave
Sioux Falls, SD 57110-1007

Phone

(605) 322-2945

NPI assigned

Apr 19, 2023

Sex

Male

Sole proprietor

No

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 SD

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

Specialty

Family Practice

Education

Sanford School of Medicine of University of South Dakota, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Avera McKennanGroup PAC ID 0345157103, 957 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Avera McKennan Hospital & University Health Center Hospital, Sioux Falls, SD, CCN 430016
• Madison Regional Health System Hospital, Madison, SD, CCN 431300

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ethan.leif@centerforfamilymedicine.eclinicaldirectplus.com

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.

• Avera McKennan

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Sioux Falls, SD
  • NPI 1699009944
  Medicare reassignment Care Compare group NPD
• Avera McKennan

  • Diagnostic Radiology Physician
  • Sioux Falls, SD
  • NPI 1053680678
  NPD
• Avera McKennan

  • Family Medicine Physician
  • Sioux Falls, SD
  • NPI 1376575514
  NPD

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

• Avera McKennan

  • Obstetrics & Gynecology Physician
  • Sioux Falls, SD
  • NPI 1003188269

  Hospital

  Care Compare affiliation
• Avera McKennan

  • Rheumatology Physician
  • Sioux Falls, SD
  • NPI 1013177393

  Hospital

  Care Compare affiliation
• Avera McKennan

  • Psychiatry Physician
  • Sioux Falls, SD
  • NPI 1013980598

  Hospital

  Care Compare affiliation
• Avera McKennan

  • Orthopaedic Surgery Physician
  • Sioux Falls, SD
  • NPI 1093262131

  Hospital

  Care Compare affiliation
• Avera McKennan

  • Neurological Surgery Physician
  • Sioux Falls, SD
  • NPI 1114113693

  Hospital

  Care Compare affiliation
• Avera McKennan

  • Physical Medicine & Rehabilitation Physician
  • Sioux Falls, SD
  • NPI 1134195332

  Hospital

  Care Compare affiliation
• Avera McKennan

  • General Acute Care Hospital
  • Sioux Falls, SD
  • NPI 1154531630
  Care Compare affiliation
• Avera McKennan

  • General Acute Care Hospital
  • Sioux Falls, SD
  • NPI 1184834764
  Care Compare affiliation
• Avera McKennan

  • Gastroenterology Physician
  • Sioux Falls, SD
  • NPI 1194799882

  Hospital

  Care Compare affiliation
• Avera McKennan

  • Obstetrics & Gynecology Physician
  • Sioux Falls, SD
  • NPI 1336111962

  Hospital

  Care Compare affiliation
• Avera McKennan

  • Family Medicine Physician
  • Sioux Falls, SD
  • NPI 1376575514

  Hospital

  Care Compare affiliation
• Avera McKennan

  • Endocrinology, Diabetes & Metabolism Physician
  • Sioux Falls, SD
  • NPI 1396711016

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1681862400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1932896123",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 S 7TH AVE",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571050998",
            "telephone_number": "605-504-5400",
            "fax_number": "605-504-5150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 S HIGHLINE AVE",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571101007",
            "telephone_number": "605-322-2945"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEIF",
        "first_name": "ETHAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-19",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "SD",
            "license": "18967",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rachel Leggett
• Amber Lehman Myers
• Melissa Faye Lehr, CNP
• Travis Lehr, OD
• Lacey A. Leichtnam, M.A., LPC-MH, QMHP
• Madason Gene Leif, PT, DPT
• Carol Anne Leiferman
• Sam Leinen
• Alyssa Victoria Leisinger, OTD, OTR/L
• Lauren Leisinger

• Family Medicine Physician in Sioux Falls, SD
• Providers in Sioux Falls, SD by specialty
• Family Medicine Physician in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 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.