Ernesto P. Gidaya Jr., MD

Medicare activity in 2024

Official CMS public-use data for Ernesto P. Gidaya Jr., 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. Insertion of artery tube for blood sampling or infusion through skin (36620)14 services
2. Ultrasonic guidance for blood vessel access (76937)12 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%
• Diabetes64%
• Ischemic heart disease64%
• Arthritis57%
• Heart failure57%

Hospitals where Ernesto P. Gidaya Jr. works

Medicare's Facility Affiliation Data lists Ernesto P. Gidaya Jr. 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.

• AHMC Anaheim Regional Medical CenterAnaheim, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050226

Practice locations

Addresses where Ernesto P. Gidaya Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 1111 W La Palma AveAnaheim, CA 92801 (714) 774‑1450
• 2776 Pacific AveLong Beach, CA 90806 (562) 997‑2000

Group practices

Medicare enrollment lists Ernesto P. Gidaya Jr. as a member of this group (CMS data updated October 2, 2026).

• Anesthesia Specialists of Orange County Inc16 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in Anaheim

Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.

• Xiaodong Li, MD
• Edward J. Mirikitani, MD
• Fawzia F. Samaan, MD
• Jimmy T. Chang, DO
• Kevin C. Maghami, MD
• Bruce J. Reitman, MD
• Lisa E. Choi, MD
• Alva T. Verde, MD

All anesthesiologists in Anaheim →

Other clinicians in Anesthesia Specialists of Orange County Inc

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

• Xiaodong Li, MD
• Carmelita H. Mapoy, MD
• Guosheng Wu, MD
• Alva T. Verde, MD
• Nishani C. Gunasekera, MD
• Charles B. Dai, 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