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Internal Medicine

Douglas D. Van Marel, MD

Works at hospitals in Sioux Falls, SD · Huron, SD · South Dakota

Summary

Douglas D. Van Marel, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Sioux Falls, SD and Huron, SD. NPI 1427144179. 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 Douglas D. Van Marel, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
Michigan State University College Of Human MedicineMedical school
MaleGender (as listed)
Huron Regional Medical Center IncGroup practice

Quick answers

Which hospitals does Douglas D. Van Marel work at?
Medicare's official clinician data lists Douglas D. Van Marel at 3 hospitals: Avera McKennan Hospital & University Health Center, Huron Regional Medical Center and Sanford Usd Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
What is Douglas D. Van Marel's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Douglas D. Van Marel accept Medicare assignment?
Yes. Medicare's clinician data says Douglas D. Van Marel 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 Douglas D. Van Marel's NPI number?
1427144179. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Douglas D. Van Marel works

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

Group practices

Medicare enrollment lists Douglas D. Van Marel as a member of this group (CMS data updated 2026-10-02).

  • Huron Regional Medical Center Inc46 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Dakota →

Other internal medicine doctors in Sioux Falls

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

All internal medicine doctors in Sioux Falls →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427144179
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