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Otolaryngology

Mallory O Niel, MD

Sees patients in Detroit, MI · Clinton Township, MI · Michigan

Summary

Dr. Mallory O Niel, MD is an ENT doctor at 3901 Beaubien 1st Floor, Detroit, MI 48201. Phone: (313) 745-5227. Accepts Medicare assignment. NPI 1528357506. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: ENT doctor (Medicare lists Otolaryngology)
  • Address: 3901 Beaubien 1st Floor, Detroit, MI 48201 · Directions (2 more locations)
  • Phone: (313) 745‑5227
  • Medicare: Accepts Medicare assignment
  • Group practice: VHS Physicians of Michigan
  • Medical school: Medical College Of Wisconsin · graduated 2011 (15 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mallory O Niel, 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 Mallory O Niel accept Medicare assignment?
Yes. Medicare's clinician data says Mallory O Niel 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 Mallory O Niel's NPI number?
1528357506. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mallory O Niel is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mallory O Niel as a member of this group (CMS data updated October 2, 2026).

  • VHS Physicians of Michigan219 clinicians in the group

Specialties

Find other Otolaryngology doctors in Michigan →

Other ENT doctors in Detroit

Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.

All ENT doctors in Detroit →

Other clinicians in VHS Physicians of Michigan

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

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528357506
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians