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Radiation Oncology

Dung B. Nguyen, MD

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

Summary

Dung B. Nguyen, MD (Radiation Oncology) is listed by Medicare at 5 hospitals in Sioux Falls, SD, Storm Lake, IA and Spirit Lake, IA and other places. NPI 1891736625. 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 Dung B. Nguyen, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
MaleGender (as listed)
Spencer Municipal HospitalGroup practice

Quick answers

Which hospitals does Dung B. Nguyen work at?
Medicare's official clinician data lists Dung B. Nguyen at 5 hospitals: Avera McKennan Hospital & University Health Center, Buena Vista Regional Medical Center, Lakes Regional Healthcare, Spencer Municipal Hospital and St Lukes Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Dung B. Nguyen see patients?
Medicare's clinician data lists 2 practice locations, including Spencer, IA. Call before your visit to confirm the address.
What is Dung B. Nguyen's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Dung B. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Dung B. Nguyen 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 Dung B. Nguyen?
(712) 264-6198, as listed in official Medicare / NPI Registry data.
What is Dung B. Nguyen's NPI number?
1891736625. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dung B. Nguyen works

Medicare's Facility Affiliation Data lists Dung B. Nguyen 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 Dung B. Nguyen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Dung B. Nguyen as a member of this group (CMS data updated 2026-10-02).

  • Spencer Municipal Hospital92 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Iowa →

Other radiation oncologists in Iowa

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

All radiation oncologists in Iowa →

Clinician information

CredentialMD
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891736625
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