Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Courtney M. Downes, MD

Works at hospitals in Las Vegas, NV · Henderson, NV · Nevada

Summary

Dr. Courtney M. Downes, MD is an emergency medicine doctor at 620 Shadow Ln, Las Vegas, NV 89106. Phone: (954) 939-5000. Accepts Medicare assignment. In 2024, Courtney M. Downes had 146 Original Medicare patients and 166 services. NPI 1255650313. 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 Courtney M. Downes, 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 Courtney M. Downes accept Medicare assignment?
Yes. Medicare's clinician data says Courtney M. Downes 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 Courtney M. Downes see?
In 2024, CMS data shows 146 Original Medicare patients and 166 services for Courtney M. Downes. This counts Original Medicare only and measures volume, not quality.
What is Courtney M. Downes's NPI number?
1255650313. 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 Courtney M. Downes, 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 patients146
Services billed to Medicare166
Different services or procedures15
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)71 services
  2. Emergency department visit with high level of medical decision making (99285)60 services
  3. Emergency department visit with low level of medical decision making (99283)13 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 cholesterol72%
  • High blood pressure68%
  • Arthritis54%
  • Diabetes33%
  • Anxiety30%
  • Ischemic heart disease25%

Hospitals where Courtney M. Downes works

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

Group practices

Medicare enrollment lists Courtney M. Downes as a member of this group (CMS data updated October 2, 2026).

  • Shadow Emergency Physicians PLLC101 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Nevada →

Other emergency medicine doctors in Las Vegas

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

All emergency medicine doctors in Las Vegas →

Other clinicians in Shadow Emergency Physicians PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255650313
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