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Emergency Medicine

Wendy R. Regal, MD

Works at hospitals in Polacca, AZ · Arizona

Summary

Dr. Wendy R. Regal, MD is an emergency medicine doctor at 264 Hwy, Polacca, AZ 86042. Phone: (928) 737-6000. Accepts Medicare assignment. In 2024, Wendy R. Regal had 100 Original Medicare patients and 124 services. NPI 1437184579. 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: 264 Hwy, Polacca, AZ 86042 · Directions
  • Phone: (928) 737‑6000
  • Medicare: Accepts Medicare assignment
  • Hospital: Hopi Health Care Center
  • Group practice: DHHS IHS Phoenix Area
  • Medical school: University Of Texas Medical School At San Antonio · graduated 1997 (29 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Wendy R. Regal, 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 Wendy R. Regal accept Medicare assignment?
Yes. Medicare's clinician data says Wendy R. Regal 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 Wendy R. Regal see?
In 2024, CMS data shows 100 Original Medicare patients and 124 services for Wendy R. Regal. This counts Original Medicare only and measures volume, not quality.
What is Wendy R. Regal's NPI number?
1437184579. 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 Wendy R. Regal, 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 patients100
Services billed to Medicare124
Different services or procedures6
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with low level of medical decision making (99283)76 services
  2. Emergency department visit with straightforward medical decision making (99282)24 services
  3. Emergency department visit with moderate level of medical decision making (99284)21 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 pressure74%
  • High cholesterol61%
  • Diabetes61%
  • Arthritis29%
  • Chronic kidney disease26%
  • Heart failure21%

Hospitals where Wendy R. Regal works

Medicare's Facility Affiliation Data lists Wendy R. Regal 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.

  • Hopi Health Care CenterPolacca, AZ · Critical Access Hospital · Emergency services: not listed by Medicare · CCN 031305

Practice locations

Addresses where Wendy R. Regal is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Wendy R. Regal as a member of this group (CMS data updated October 2, 2026).

  • DHHS IHS Phoenix Area27 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Arizona →

Other emergency medicine doctors in Arizona

Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.

All emergency medicine doctors in Arizona →

Other clinicians in DHHS IHS Phoenix Area

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437184579
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