Cyrus C. Szeto-Wong, MD

Medicare activity in 2024

Official CMS public-use data for Cyrus C. Szeto-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. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)2,236 services
2. Heart rhythm review and interpretation of continous external ekg over 8-15 days (93248)368 services
3. Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days (93244)124 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)121 services
5. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)66 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 cholesterol70%
• Diabetes48%
• Ischemic heart disease37%
• Heart failure35%
• Arthritis33%

Hospitals where Cyrus C. Szeto-Wong works

Medicare's Facility Affiliation Data lists Cyrus C. Szeto-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.

• El Camino HealthMountain View, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050308
• Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050038
• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Cyrus C. Szeto-Wong is enrolled with Medicare (CMS data updated October 2, 2026).

• 751 S Bascom Ave, Santa Clara Vly MedSan Jose, CA 95128 (408) 885‑5000

Group practices

Medicare enrollment lists Cyrus C. Szeto-Wong as a member of this group (CMS data updated October 2, 2026).

• County of Santa Clara1,022 clinicians in the group

Specialties

• Cardiac Electrophysiologyprimary
• Cardiovascular Disease (Cardiology)also

Find other Cardiac Electrophysiology doctors in California →

Other cardiac electrophysiologists in San Jose

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

• Theodore Chow, MD
• Matthew T. Levy, MD
• Sanjiv M. Narayan, MD
• Mohan N. Viswanathan, MD

All cardiac electrophysiologists in San Jose →

Other clinicians in County of Santa Clara

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

• Helen Zukin-O'Callaghan
• Gerald Diaz, MD
• Michael Northcutt, MD
• James Wu, MD
• Modern Weng, DO
• Mark T. Winkler, 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