Steve Y. Wong, MD

Medicare activity in 2024

Official CMS public-use data for Steve Y. Wong, 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. Anesthesia for lens surgery (00142)21 services
2. Anesthesia for procedure to assess heart electrical activity (00537)20 services
3. Anesthesia for exam of colon using an endoscope (00812)17 services
4. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)16 services
5. Anesthesia for procedure on small and large bowel using an endoscope (00813)16 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 cholesterol75%
• High blood pressure71%
• Arthritis52%
• Ischemic heart disease34%
• Diabetes26%
• Anxiety25%

Hospitals where Steve Y. Wong works

Medicare's Facility Affiliation Data lists Steve Y. Wong 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.

• Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050567

Practice locations

Addresses where Steve Y. Wong is enrolled with Medicare (CMS data updated October 2, 2026).

• 27700 Medical Ctr RdMission Viejo, CA 92691 (949) 364‑1400
• 31872 Coast HwyLaguna Beach, CA 92651 (949) 499‑1311

Group practices

Medicare enrollment lists Steve Y. Wong as a member of this group (CMS data updated October 2, 2026).

• Western Anesthesia Medical Associates Inc49 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in Mission Viejo

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

• Marta A. Strutynska Longawa, MD
• Eric L. Hsu, MD
• Daniel G. Hancock, MD
• Meraj Mohiuddin, MD
• Menaka A. Mentch, MD
• Mark C. Burkhardt, MD
• Geoffrey J. Gonick, MD
• Craig C. Nghiem, MD

All anesthesiologists in Mission Viejo →

Other clinicians in Western Anesthesia Medical Associates Inc

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

• Marta A. Strutynska Longawa, MD
• Eric L. Hsu, MD
• Daniel G. Hancock, MD
• Meraj Mohiuddin, MD
• Menaka A. Mentch, MD
• Mark C. Burkhardt, 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