Fadi E. Shamoun, MD

Medicare activity in 2024

Official CMS public-use data for Fadi E. Shamoun, 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. Anticoagulant management of patient taking warfarin (93793)4,611 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)898 services
3. Injection, regadenoson, 0.1 mg (J2785)800 services
4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)694 services
5. Outpatient heart rehabilitation, qualified health care professional services (93797)393 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%
• Arthritis50%
• Ischemic heart disease50%
• Atrial fibrillation45%
• Chronic kidney disease38%

Hospitals where Fadi E. Shamoun works

Medicare's Facility Affiliation Data lists Fadi E. Shamoun 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.

• Mayo Clinic HospitalPhoenix, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030103

Practice locations

Addresses where Fadi E. Shamoun is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

• 13400 E Shea BlvdScottsdale, AZ 85259 (480) 301‑8000
• 13737 N 92nd St, Thunderbird PrimaryScottsdale, AZ 85260 (480) 860‑4800
• 1850 E Northrop Blvd, 160 Primary Care San TanChandler, AZ 85286 (480) 426‑4880
• 20199 N 75th Ave, Arrowhead Prim CareGlendale, AZ 85308 (623) 561‑5252
• 5701 E Mayo BlvdPhoenix, AZ 85054 (480) 342‑4200

Group practices

Medicare enrollment lists Fadi E. Shamoun as a member of this group (CMS data updated October 2, 2026).

• Mayo Clinic Arizona1,626 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in Arizona →

Other cardiologists in Scottsdale

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

• Danielle A. Stearns, DO
• Andrew J. Chapel, DO
• Renee D. Espinosa, MD
• Venkataramanan Gangadharan, MD
• Maulik Shah, MD
• Ahmad Shihabi, MD
• Tasneem Z. Naqvi, MD
• Ramzi Ibrahim, MD

All cardiologists in Scottsdale →

Other clinicians in Mayo Clinic Arizona

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

• Kaleb R. Martorana, NP
• Peter L. Bergsagel, MD
• Meredith R. Wicklund, MD
• Jessica D. Collier, NP
• Mark N. Villanueva, MD
• Steven Poon, 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