Cuong C. Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Cuong C. Nguyen, 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. Biopsy of large bowel using a flexible endoscope (45380)80 services
2. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)62 services
3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)44 services
4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)40 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)28 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 cholesterol75%
• High blood pressure67%
• Arthritis47%
• Ischemic heart disease30%
• Diabetes27%
• Chronic kidney disease25%

Hospitals where Cuong C. Nguyen works

Medicare's Facility Affiliation Data lists Cuong C. Nguyen 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 Cuong C. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

• 13400 E Shea BlvdScottsdale, AZ 85259 (480) 301‑8000

Group practices

Medicare enrollment lists Cuong C. Nguyen as a member of this group (CMS data updated October 2, 2026).

• Mayo Clinic Arizona1,626 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in Arizona →

Other gastroenterologists in Scottsdale

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

• Emma J. Castillo, MD
• Shashank Garg, MD
• David Chascsa, MD
• Bashar A. Aqel, MD
• Hugo E. Vargas, MD
• Douglas J. Schwartz, MD
• Evan Wilder, MD
• David Douglas, MD

All gastroenterologists in Scottsdale →

Other clinicians in Mayo Clinic Arizona

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

• Idris T. Ocal, MD
• Hannah E. Pino, CNA
• Nolan McBride, MD
• William A. Shakespeare, MD
• Paul M. Magtibay, MD
• Karin L. Parrett, 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