Christina W. Tsao, MD

Medicare activity in 2024

Official CMS public-use data for Christina W. Tsao, 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. X-ray of chest, 1 view (71045)617 services
2. Ct scan head or brain without contrast (70450)415 services
3. Ct scan of abdomen and pelvis with contrast (74177)185 services
4. Ct scan of abdomen and pelvis without contrast (74176)117 services
5. X-ray of abdomen, 1 view (74018)113 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%
• Diabetes55%
• Arthritis50%
• Chronic kidney disease41%
• Ischemic heart disease39%

Hospitals where Christina W. Tsao works

Medicare's Facility Affiliation Data lists Christina W. Tsao 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.

• Casa Colina HospitalPomona, CA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 050782
• Chino Valley Medical CenterChino, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050586
• L A Downtown Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050763
• Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050231
• San Antonio Regional HospitalUpland, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050099

Practice locations

Addresses where Christina W. Tsao is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

• 13768 Roswell Ave, Suite 103Chino, CA 91710 (909) 392‑6501
• 1601 Monte Vista Ave, Suite 170Claremont, CA 91711 (909) 630‑7938
• 1798 N Garey AvePomona, CA 91767 (909) 865‑9535
• 2140 Grand Ave, Suite 115Chino Hills, CA 91709 (909) 392‑6501
• 2333 Foothill BlvdLa Verne, CA 91750 (909) 392‑6501

Group practices

Medicare enrollment lists Christina W. Tsao as a member of this group (CMS data updated October 2, 2026).

• Pomona Valley Imaging Medical Group Inc24 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Omar Saleh, MD
• Joanne B. Lim, MD
• Sunny Rishi, MD
• Leonard Ong, MD
• Gregory J. Sabo, MD
• Ethan A. Zaccagnino, MD
• John Y. Young, MD
• Paul M. Loeffler, MD

All radiologists in California →

Other clinicians in Pomona Valley Imaging Medical Group Inc

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

• Yanle Zhao, MD
• Marie L. Cumigad, MD
• Yu-Kai Su, MD
• Darissa S. Kon, MD
• Scott J. Habakus, DO
• Johnson B. Lightfoote, 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