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Emergency Medicine

Nizar Osmani, MD

Works at hospitals in Saint Louis, MO · Missouri

Summary

Dr. Nizar Osmani, MD is an emergency medicine doctor at 11133 Dunn Rd, Saint Louis, MO 63136. Phone: (314) 362-9123. Accepts Medicare assignment. NPI 1932789559. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 11133 Dunn Rd, Saint Louis, MO 63136 · Directions (1 more location)
  • Phone: (314) 362‑9123
  • Medicare: Accepts Medicare assignment
  • Hospital: Christian Hospital Northeast
  • Group practice: Washington University Community Specialists LLC
  • Medical school: graduated 2021 (5 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nizar Osmani, 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 Nizar Osmani accept Medicare assignment?
Yes. Medicare's clinician data says Nizar Osmani 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 Nizar Osmani's NPI number?
1932789559. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nizar Osmani works

Medicare's Facility Affiliation Data lists Nizar Osmani 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 Nizar Osmani is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nizar Osmani as a member of this group (CMS data updated October 2, 2026).

  • Washington University Community Specialists LLC105 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Missouri →

Other emergency medicine doctors in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All emergency medicine doctors in Saint Louis →

Other clinicians in Washington University Community Specialists LLC

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

Clinician information

CredentialMD
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932789559
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