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Physician Assistant

Ellyn A. Ayervais, PA

Works at hospitals in Wheat Ridge, CO · Longmont, CO · Denver, CO · Colorado

Summary

Ellyn A. Ayervais, PA is a physician assistant at 11820 Destination Dr, Broomfield, CO 80021. Phone: (720) 848-0000. Accepts Medicare assignment. In 2024, Ellyn A. Ayervais had 88 Original Medicare patients and 183 services. NPI 1821555863. 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 Ellyn A. Ayervais, 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 Ellyn A. Ayervais accept Medicare assignment?
Yes. Medicare's clinician data says Ellyn A. Ayervais 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 Ellyn A. Ayervais see?
In 2024, CMS data shows 88 Original Medicare patients and 183 services for Ellyn A. Ayervais. This counts Original Medicare only and measures volume, not quality.
What is Ellyn A. Ayervais's NPI number?
1821555863. 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 Ellyn A. Ayervais, 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 patients88
Services billed to Medicare183
Different services or procedures10
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)49 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)45 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)28 services
  4. Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (G0316)26 services
  5. Hospital discharge day management, more than 30 minutes (99239)17 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 cholesterol73%
  • Arthritis66%
  • Ischemic heart disease47%
  • Heart failure45%
  • Chronic kidney disease42%

Hospitals where Ellyn A. Ayervais works

Medicare's Facility Affiliation Data lists Ellyn A. Ayervais 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 Ellyn A. Ayervais is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Ellyn A. Ayervais as a member of these groups (CMS data updated October 2, 2026).

  • Poudre Valley Medical Group LLC2,440 clinicians in the group
  • Intermountain Medical Group Denver LLC568 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Colorado →

Other physician assistants in Broomfield

Clinicians with the same Medicare primary specialty in Broomfield, CO — not a recommendation.

All physician assistants in Broomfield →

Other clinicians in Poudre Valley Medical Group LLC

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

Clinician information

CredentialPA
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821555863
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