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Anesthesiology

Ngozi Onyesoh, MD

Works at hospitals in Las Vegas, NV · Kingman, AZ · Cedar Rapids, IA · Nevada, Arizona, Iowa

Summary

Dr. Ngozi Onyesoh, MD is an anesthesiologist at 5400 S Rainbow Blvd, Las Vegas, NV 89118. Phone: (702) 325-4651. Accepts Medicare assignment. In 2024, Ngozi Onyesoh had 90 Original Medicare patients and 111 services. NPI 1679981104. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Ngozi Onyesoh, 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 Ngozi Onyesoh accept Medicare assignment?
Yes. Medicare's clinician data says Ngozi Onyesoh 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.
How many Medicare patients does Ngozi Onyesoh see?
In 2024, CMS data shows 90 Original Medicare patients and 111 services for Ngozi Onyesoh. This counts Original Medicare only and measures volume, not quality.
What is Ngozi Onyesoh's NPI number?
1679981104. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ngozi Onyesoh, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients90
Services billed to Medicare111
Different services or procedures52
Participating Medicare providerYes
Average age of these patients73

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure66%
  • High cholesterol59%
  • Arthritis44%
  • Anxiety27%
  • Depression24%
  • Diabetes22%

Hospitals where Ngozi Onyesoh works

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

Group practices

Medicare enrollment lists Ngozi Onyesoh as a member of these groups (CMS data updated October 2, 2026).

  • Mercy Medical Center305 clinicians in the group
  • Red Rock Anesthesia Consultants LLC108 clinicians in the group
  • Amin Dunckelmeyer and Luu PLLC50 clinicians in the group

Specialties

Find other Anesthesiology doctors in Nevada →

Other anesthesiologists in Las Vegas

Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.

All anesthesiologists in Las Vegas →

Other clinicians in Mercy Medical Center

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

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679981104
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians