Ismael I. Guerrero, MD

Medicare activity in 2024

Official CMS public-use data for Ismael I. Guerrero, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)492 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)218 services
3. Injection of drug or substance under skin or into muscle (96372)188 services
4. Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)128 services
5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)100 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 cholesterol69%
• Arthritis45%
• Diabetes34%
• Ischemic heart disease26%
• Chronic kidney disease25%

Hospitals where Ismael I. Guerrero works

Medicare's Facility Affiliation Data lists Ismael I. Guerrero 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.

• Yuma Regional Medical CenterYuma, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030013

Practice locations

Addresses where Ismael I. Guerrero is enrolled with Medicare (CMS data updated October 2, 2026).

• 12447 S Sandra AveYuma, AZ 85367 (928) 323‑8003

Group practices

Medicare enrollment lists Ismael I. Guerrero as a member of this group (CMS data updated October 2, 2026).

• Unitys Psychiatry PLLC2 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Arizona →

Other family doctors in Yuma

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

• Lillian Muzyka, MD
• Mirna Mikhael, MD
• Stephen Gipson, DO
• Mandana Semnani, MD
• Adelbert Evangelista, MD
• Ravi P. Jagani, MD
• Luc Lanteigne, MD
• Nhut C. Nguyen, MD

All family doctors in Yuma →

Other clinicians in Unitys Psychiatry PLLC

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

• Khang Nguyen, 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