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General Surgery

Cy B. Haatvedt, MD

Works at hospitals in Huron, SD · South Dakota

Summary

Dr. Cy B. Haatvedt, MD is a general surgeon at 455 Kansas Ave SE, Huron, SD 57350. Phone: (605) 352-8767. Accepts Medicare assignment. NPI 1942205489. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 455 Kansas Ave SE, Huron, SD 57350 · Directions
  • Phone: (605) 352‑8767
  • Medicare: Accepts Medicare assignment
  • Hospital: Huron Regional Medical Center
  • Group practice: Huron Regional Medical Center Inc
  • Medical school: University Of Minnesota Medical School · graduated 1982 (44 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Cy B. Haatvedt, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Cy B. Haatvedt accept Medicare assignment?
Yes. Medicare's clinician data says Cy B. Haatvedt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Cy B. Haatvedt's NPI number?
1942205489. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Cy B. Haatvedt works

Medicare's Facility Affiliation Data lists Cy B. Haatvedt at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Huron Regional Medical CenterHuron, SD · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 431335

Practice locations

Addresses where Cy B. Haatvedt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cy B. Haatvedt as a member of this group (CMS data updated October 2, 2026).

  • Huron Regional Medical Center Inc46 clinicians in the group

Specialties

Find other General Surgery doctors in South Dakota →

Other general surgeons in South Dakota

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

All general surgeons in South Dakota →

Other clinicians in Huron Regional Medical Center Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942205489
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians