Mario Ziccarelli, MD

Medicare activity in 2024

Official CMS public-use data for Mario Ziccarelli, 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)113 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)102 services
3. Emergency department visit with moderate level of medical decision making (99284)65 services
4. Critical care, first 30-74 minutes (99291)65 services
5. Critical care, each additional 30 minutes (99292)36 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%
• Arthritis56%
• Diabetes48%
• Ischemic heart disease45%
• Chronic kidney disease39%

Hospitals where Mario Ziccarelli works

Medicare's Facility Affiliation Data lists Mario Ziccarelli 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.

• Huhu Kam Memorial HospitalSacaton, AZ · Critical Access Hospital · Emergency services: listed by Medicare · CCN 031308
• St Josephs Hospital and Medical CenterPhoenix, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030024
• Wickenburg Community HospitalWickenburg, AZ · Critical Access Hospital · Emergency services: listed by Medicare · CCN 031300

Practice locations

Addresses where Mario Ziccarelli is enrolled with Medicare (CMS data updated October 2, 2026).

• 350 W Thomas RdPhoenix, AZ 85013 (602) 406‑3000
• 7300 N 99th AveGlendale, AZ 85307 (844) 723‑1315

Group practices

Medicare enrollment lists Mario Ziccarelli as a member of this group (CMS data updated October 2, 2026).

• Empower St Josephs PLLC55 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Arizona →

Other emergency medicine doctors in Phoenix

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

• Frederick Warner, MD
• Thomas L. Bostwick, MD
• Marvin T. Clever, MD
• Ilana N. Tidus, DO
• Carl C. Leonhardt, DO
• Whitney Hansen, MD
• Dean A. Berman, DO
• Lafrabya Mitchem-Westbrook, MD

All emergency medicine doctors in Phoenix →

Other clinicians in Empower St Josephs PLLC

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

• Brian C. Kummet, PA
• Thomas L. Bostwick, MD
• Tyler Delaughder, DO
• James R. Eilers, NP
• Richard E. Saunders, DO
• Chianti A. Zerner, PA

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