Zijun Zhao, MD

Medicare activity in 2024

Official CMS public-use data for Zijun Zhao, 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)116 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)20 services
3. Hospital discharge day management, 30 minutes or less (99238)20 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%
• Diabetes54%
• Ischemic heart disease54%
• Arthritis53%
• Heart failure51%

Hospitals where Zijun Zhao works

Medicare's Facility Affiliation Data lists Zijun Zhao 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.

• Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050038

Practice locations

Addresses where Zijun Zhao is enrolled with Medicare (CMS data updated October 2, 2026).

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

Group practices

Medicare enrollment lists Zijun Zhao as a member of this group (CMS data updated October 2, 2026).

• County of Santa Clara1,022 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Jose

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

• Lee S. Clarke, MD
• Michael W. Su, MD
• Wei Yang, MD
• Angela Xavier, MD
• Nidhi Gupta, MD
• Manisha Yadav, MD
• Laura Glassman, MD
• Lucas G. Hill, MD

All internal medicine doctors in San Jose →

Other clinicians in County of Santa Clara

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

• Derrick Wu, MD
• Norman S. Lowenbraun, MD
• Sofia Mahari
• Duard W. Enoch, MD
• Dayani P. Nualles-Percy, MD
• Jocelyn Wang, 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