Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Ethan Leif, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1932896123

Ethan Leif, MD is registered under Family Practice in Sioux Falls, South Dakota. Graduated from Sanford School of Medicine of University of South Dakota in 2023, 3 years ago. Practices with Avera McKennan, a 962-clinician group, works from 2 locations and accepts Medicare assignment.

Years since qualifying
3
Trained at
Sanford School of Medicine of University of South Dakota
In the registry since
2023
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Sioux Falls, SD

No coordinates on file. Search this address in Google Maps

Additional practice locations (1)

  • 1600 S Highline Ave, Sioux Falls, SD 57110-1007 — (605) 322-2945

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1932896123
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2023
Last updated in NPPESSeptember 24, 2025
Certification dateSeptember 24, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolSANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA
Graduated 2023 (3 years in practice)
Group practice Avera McKennan — 962 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Avera McKennan Hospital & University Health Center Hospital · Sioux Falls, SD
  • Madison Regional Health System Hospital · Madison, SD

Colleagues at Avera McKennan

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 962 clinicians in the practice; 12 are shown here.

Other providers in Sioux Falls