Jerry F. Tsai, MD

Medicare activity in 2024

Official CMS public-use data for Jerry F. Tsai, 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 35 minutes (99232)434 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)107 services
3. Hospital discharge day management, more than 30 minutes (99239)96 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)51 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)49 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%
• Arthritis60%
• Chronic kidney disease56%
• Ischemic heart disease55%
• Heart failure54%

Hospitals where Jerry F. Tsai works

Medicare's Facility Affiliation Data lists Jerry F. Tsai 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 St. Joseph HospitalOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050069

Practice locations

Addresses where Jerry F. Tsai is enrolled with Medicare (CMS data updated October 2, 2026).

• 1100 W Stewart DrOrange, CA 92868 (714) 633‑9111
• 1950 Sunny Crest Dr, Suite 2900Fullerton, CA 92835 (714) 992‑5350
• 845 W La Veta AveOrange, CA 92868

Group practices

Medicare enrollment lists Jerry F. Tsai as a member of this group (CMS data updated October 2, 2026).

• Providence Medical Foundation1,466 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.

• Emilie L. Chow, MD
• Miki Watanabe, MD
• Ailin Barseghian El-Farra
• Zubin Udwadia, MD
• Jennifer J. Kim, MD
• Daniel J. Otterson, MD
• Johnny N. Do, MD
• Elizabeth A. Brem, MD

All internal medicine doctors in Orange →

Other clinicians in Providence Medical Foundation

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

• Joseph T. Lapenna, MD
• So L. Lee, MD
• Asia D. Downing, MD
• Luiza Mnatsakanyan, DO
• Deborah A. Binning, NP
• Nicholas N. Entsminger, PA

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