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General Surgery

Myles E. Tieszen, MD

Works at hospitals in Chamberlain, SD · Aberdeen, SD · Sheldon, IA · South Dakota, Iowa

Summary

Myles E. Tieszen, MD (General Surgery) is listed by Medicare at 3 hospitals in Chamberlain, SD, Aberdeen, SD and Sheldon, IA. NPI 1063464683. 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 Myles E. Tieszen, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
MaleGender (as listed)
Sanford Health NetworkGroup practice

Quick answers

Which hospitals does Myles E. Tieszen work at?
Medicare's official clinician data lists Myles E. Tieszen at 3 hospitals: Sanford Chamberlain Medical Center, Sanford Medical Center Aberdeen and Sanford Sheldon Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Myles E. Tieszen see patients?
Medicare's clinician data lists 7 practice locations, including Sheldon, IA, Luverne, MN and Vermillion, SD. Call before your visit to confirm the address.
What is Myles E. Tieszen's specialty?
Medicare lists General Surgery as the primary specialty.
Does Myles E. Tieszen accept Medicare assignment?
Yes. Medicare's clinician data says Myles E. Tieszen 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 Myles E. Tieszen?
(712) 324-5041, as listed in official Medicare / NPI Registry data.
What is Myles E. Tieszen's NPI number?
1063464683. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Myles E. Tieszen works

Medicare's Facility Affiliation Data lists Myles E. Tieszen 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 Myles E. Tieszen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Myles E. Tieszen as a member of this group (CMS data updated 2026-10-02).

  • Sanford Health Network351 clinicians in the group

Specialties

Find other General Surgery doctors in Iowa →

Other general surgeons in Iowa

Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.

All general surgeons in Iowa →

Clinician information

CredentialMD
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1063464683
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