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Otolaryngology

Douglas M. Bennion, MD

Works at hospitals in Marshfield, WI · Iowa City, IA · Wisconsin, Iowa

Summary

Dr. Douglas M. Bennion, MD is an ENT doctor at 1000 N Oak Ave, Marshfield, WI 54449. Phone: (715) 387-5511. Accepts Medicare assignment. NPI 1114419355. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Douglas M. Bennion, 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 Douglas M. Bennion accept Medicare assignment?
Yes. Medicare's clinician data says Douglas M. Bennion 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 Douglas M. Bennion's NPI number?
1114419355. 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 M. Bennion works

Medicare's Facility Affiliation Data lists Douglas M. Bennion 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.

Practice locations

Addresses where Douglas M. Bennion is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Douglas M. Bennion as a member of these groups (CMS data updated October 2, 2026).

  • State University of Iowa1,897 clinicians in the group
  • MCHS Hospitals Inc1,197 clinicians in the group

Specialties

Find other Otolaryngology doctors in Wisconsin →

Other ENT doctors in Marshfield

Clinicians with the same Medicare primary specialty in Marshfield, WI — not a recommendation.

All ENT doctors in Marshfield →

Other clinicians in State University of Iowa

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

Clinician information

CredentialMD
Medical schoolUniversity Of Florida College Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1114419355
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