Henry J. Zelada Castro, MD

Medicare activity in 2024

Official CMS public-use data for Henry J. Zelada Castro, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)204 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)142 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)50 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)15 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)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%
• Diabetes75%
• Chronic kidney disease63%
• Ischemic heart disease60%
• Arthritis54%

Hospitals where Henry J. Zelada Castro works

Medicare's Facility Affiliation Data lists Henry J. Zelada Castro 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.

• Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262
• Santa Monica - UCLA Medical Center & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050112

Practice locations

Addresses where Henry J. Zelada Castro is enrolled with Medicare (CMS data updated October 2, 2026).

• 200 UCLA Medical PlzLos Angeles, CA 90095
• 2020 Santa Monica Blvd, Suite 210Santa Monica, CA 90404 (310) 458‑2381
• 2625 W Alameda Ave, Suite 322Burbank, CA 91505 (818) 843‑9015
• 757 Westwood PlzLos Angeles, CA 90095 (310) 267‑9643
• 757 Westwood Plz, Suite 7501Los Angeles, CA 90095 (310) 267‑9643

Group practices

Medicare enrollment lists Henry J. Zelada Castro as a member of this group (CMS data updated October 2, 2026).

• The Regents of the University of California1,462 clinicians in the group

Specialties

• Endocrinologyprimary

Find other Endocrinology doctors in California →

Other endocrinologists in Los Angeles

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

• John D. Carmichael, MD
• Hussein N. Yassine, MD
• Sarah R. Rettinger, MD
• Kathleen A. Page, MD
• Angela M. Leung, MD
• Nicolas Musi, MD
• Mariola L. Ficinski, MD
• Sheila Ahmadi, MD

All endocrinologists in Los Angeles →

Other clinicians in The Regents of the University of California

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

• Rachel S. Saganty, MD
• Ramzy Jandali, MD
• Howard H. Yang, MD
• David A. Kellner, MD
• Sharon D. Quesada, PA
• Jeanette Ilarde, 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