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Emergency Medicine

Casey G. Noroyan, DO

Works at hospitals in Yuma, AZ · Arizona

Summary

Dr. Casey G. Noroyan, DO is an emergency medicine doctor at 2400 S Ave A, Yuma, AZ 85364. Phone: (928) 344-2000. Accepts Medicare assignment. In 2024, Casey G. Noroyan had 575 Original Medicare patients and 648 services. NPI 1073964300. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 2400 S Ave A, Yuma, AZ 85364 · Directions
  • Phone: (928) 344‑2000
  • Medicare: Accepts Medicare assignment
  • Hospital: Yuma Regional Medical Center
  • Group practice: Sierra Estrellas Emergency Physicians LLC
  • Medical school: Michigan State University College Of Osteopathic Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Casey G. Noroyan, 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 Casey G. Noroyan accept Medicare assignment?
Yes. Medicare's clinician data says Casey G. Noroyan 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 Casey G. Noroyan see?
In 2024, CMS data shows 575 Original Medicare patients and 648 services for Casey G. Noroyan. This counts Original Medicare only and measures volume, not quality.
What is Casey G. Noroyan's NPI number?
1073964300. 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 Casey G. Noroyan, 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 patients575
Services billed to Medicare648
Different services or procedures23
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)478 services
  2. Emergency department visit with moderate level of medical decision making (99284)75 services
  3. Critical care, first 30-74 minutes (99291)38 services
  4. Emergency department visit with low level of medical decision making (99283)18 services

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 pressure75%
  • High cholesterol75%
  • Arthritis61%
  • Chronic kidney disease51%
  • Ischemic heart disease50%
  • Diabetes42%

Hospitals where Casey G. Noroyan works

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

Group practices

Medicare enrollment lists Casey G. Noroyan as a member of this group (CMS data updated October 2, 2026).

  • Sierra Estrellas Emergency Physicians LLC39 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Arizona →

Other emergency medicine doctors in Yuma

Clinicians with the same Medicare primary specialty in Yuma, AZ — not a recommendation.

All emergency medicine doctors in Yuma →

Other clinicians in Sierra Estrellas Emergency Physicians LLC

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

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073964300
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