Bret K. Pearce, DO

Medicare activity in 2024

Official CMS public-use data for Bret K. Pearce, 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.

Most frequent services

1. Emergency department visit with high level of medical decision making (99285)72 services
2. Emergency department visit with moderate level of medical decision making (99284)67 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%
• Arthritis60%
• Ischemic heart disease40%
• COPD28%
• Anxiety27%

Hospitals where Bret K. Pearce works

Medicare's Facility Affiliation Data lists Bret K. Pearce 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.

• Banner Payson Medical CenterPayson, AZ · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 031318
• HonorHealth Four Peaks Medical CenterMesa, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030121
• HonorHealth Tempe Medical CenterPhoenix, AZ · Acute Care Hospital · Emergency services: listed by Medicare · CCN 030037

Practice locations

Addresses where Bret K. Pearce is enrolled with Medicare (CMS data updated October 2, 2026).

• 1301 S Crimson RdMesa, AZ 85209 (480) 358‑6100
• 1800 E Florence BlvdCasa Grande, AZ 85122 (520) 381‑6300

Group practices

Medicare enrollment lists Bret K. Pearce as a member of these groups (CMS data updated October 2, 2026).

• Emergency Physicians Southwest PC98 clinicians in the group
• Usacs Emergency Medicine of Arizona LLC35 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Arizona →

Other emergency medicine doctors in Mesa

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

• Peter Stockton, MD
• Brent Gear, DO
• Caleb A. Rees, MD
• Fernando Cortes, MD
• Grant R. Depoy, DO
• Dominick Malene, DO
• Gregory J. Massoud, DO
• William R. Mostow, MD

All emergency medicine doctors in Mesa →

Other clinicians in Emergency Physicians Southwest PC

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

• Lauren M. Evans
• Jacquelyn C. Pearlmutter, DO
• Amanda L. Winter, DO
• Wade M. Reynolds, NP
• Julie M. Johns, MD
• John W. Torseth, MD

Clinician information

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