Chau Q. Huynh, MD

Medicare activity in 2024

Official CMS public-use data for Chau Q. Huynh, 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)1,636 services
2. X-ray of chest, 2 views (71046)461 services
3. Ct scan head or brain without contrast (70450)449 services
4. Ct scan of abdomen and pelvis without contrast (74176)364 services
5. X-ray of abdomen, 1 view (74018)214 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%
• Arthritis56%
• Diabetes41%
• Chronic kidney disease39%
• Ischemic heart disease36%

Hospitals where Chau Q. Huynh works

Medicare's Facility Affiliation Data lists Chau Q. Huynh 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
• Providence St. Jude Medical CenterFullerton, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050168
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

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

• 100 E Valencia Mesa Dr, Suite 108Fullerton, CA 92835
• 101 E Valencia Mesa DrFullerton, CA 92835
• 2141 N Harbor Blvd, Suite 16000Fullerton, CA 92835
• 2251 N Harbor BlvdFullerton, CA 92835
• 3033 Lakeview TerFullerton, CA 92835

Group practices

Medicare enrollment lists Chau Q. Huynh as a member of this group (CMS data updated October 2, 2026).

• St Jude Radiology Medical Group Inc61 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in Fullerton

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

• Samuel L. Maxwell Jr., MD
• Hao Q. Ngo, MD
• Eva Xia, MD
• Brenna A. Chalmers, MD
• Charlyne Wu, MD
• Tamra Baldauf, MD
• Hamza Rahimi, MD
• Bradford J. Silveira, MD

All radiologists in Fullerton →

Other clinicians in St Jude Radiology Medical Group Inc

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

• Joseph Y. Young, MD
• Samuel L. Maxwell Jr., MD
• Hao Q. Ngo, MD
• Bradford J. Silveira, MD
• Robert C. Morten, MD
• Tamra Baldauf, 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