Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Nancy J. Terveen, NP

Works at hospitals in Sioux Falls, SD · Spirit Lake, IA · South Dakota, Iowa

Summary

Nancy J. Terveen, NP (Nurse Practitioner) is listed by Medicare at 2 hospitals in Sioux Falls, SD and Spirit Lake, IA. NPI 1609198126. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nancy J. Terveen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
FemaleGender (as listed)
Avera McKennanGroup practice

Quick answers

Which hospitals does Nancy J. Terveen work at?
Medicare's official clinician data lists Nancy J. Terveen at 2 hospitals: Avera McKennan Hospital & University Health Center and Lakes Regional Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nancy J. Terveen see patients?
Medicare's clinician data lists 1 practice location in Sioux Falls, SD. Call before your visit to confirm the address.
What is Nancy J. Terveen's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Nancy J. Terveen accept Medicare assignment?
Yes. Medicare's clinician data says Nancy J. Terveen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Nancy J. Terveen?
(605) 322-6900, as listed in official Medicare / NPI Registry data.
What is Nancy J. Terveen's NPI number?
1609198126. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nancy J. Terveen works

Medicare's Facility Affiliation Data lists Nancy J. Terveen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Nancy J. Terveen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nancy J. Terveen as a member of this group (CMS data updated 2026-10-02).

  • Avera McKennan959 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, South Dakota →

Other nurse practitioners in Sioux Falls

Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.

All nurse practitioners in Sioux Falls →

Clinician information

CredentialNP
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609198126
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians