Nicolas A. Zavala, MD

Medicare activity in 2024

Official CMS public-use data for Nicolas A. Zavala, 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)27 services
2. Anesthesia for procedure on heart and large blood vessels (00560)11 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%
• Heart failure75%
• Chronic kidney disease73%
• Atrial fibrillation67%
• Ischemic heart disease60%

Hospitals where Nicolas A. Zavala works

Medicare's Facility Affiliation Data lists Nicolas A. Zavala 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.

• Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625
• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Nicolas A. Zavala is enrolled with Medicare (CMS data updated October 2, 2026).

• 8700 Beverly BlvdWest Hollywood, CA 90048 (310) 423‑1447

Group practices

Medicare enrollment lists Nicolas A. Zavala as a member of this group (CMS data updated October 2, 2026).

• Cedars-Sinai Medical Care Foundation1,692 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in West Hollywood

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

• Andrew Geller, MD
• Adrienne Hervieux, MD
• Asher Emanuel, MD
• Asad Mansoor, MD
• Mary A. Vijjeswarapu, MD
• Trevor J. Graifman, DO
• Roy Mongkolpradit, MD
• Tony Chiang, MD

All anesthesiologists in West Hollywood →

Other clinicians in Cedars-Sinai Medical Care Foundation

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

• Andrew Geller, MD
• Kevin M. Waters, MD
• Steven Tabak, MD
• Jillian R. Oft, MD
• Aida Moeini, MD
• Staecy Kim, 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