Miguel A. Chavez Jr., MD

Medicare activity in 2024

Official CMS public-use data for Miguel A. Chavez 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. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)195 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)145 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)79 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)66 services
5. Hospital discharge day management, more than 30 minutes (99239)60 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%
• Chronic kidney disease60%
• Diabetes57%
• Ischemic heart disease44%
• Heart failure43%

Hospitals where Miguel A. Chavez Jr. works

Medicare's Facility Affiliation Data lists Miguel A. Chavez 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.

• Adventist Health CastleKailua, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120006
• Pali Momi Medical CenterAiea, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120026
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Miguel A. Chavez Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 the City Dr SOrange, CA 92868 (714) 456‑7890
• 640 Ulukahiki StKailua, HI 96734 (808) 263‑5500
• 98 -1079 Moanalua Rd, Suite 601Aiea, HI 96701 (808) 485‑4250

Group practices

Medicare enrollment lists Miguel A. Chavez Jr. as a member of these groups (CMS data updated October 2, 2026).

• The Regents of the University of California-Irvine125 clinicians in the group
• Hawaii Hospital Physicians Inc18 clinicians in the group
• Inpatient Medicine Services LLC10 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Orange

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

• Andy Huang, MD
• James H. Roum, MD
• Roshan Mahoney, MD
• Marie R. Balfour, MD
• Christine Fung, MD
• Andrea D. Avery, MD
• Madeleine V. Pahl, MD
• Afshan Baraghoush, MD

All internal medicine doctors in Orange →

Other clinicians in The Regents of the University of California-Irvine

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

• Roshan Mahoney, MD
• Marie R. Balfour, MD
• Deepti Pandita, MD
• Ruby J. Chien, MD
• Jennifer K. Handy, NP
• Afshan Baraghoush, 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