Quick answers
- Which hospitals does Gerard K. Nguyen work at?
- Medicare's official clinician data lists Gerard K. Nguyen at 1 hospital: Kaiser Foundation Hospital - Orange County - Anaheim. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gerard K. Nguyen see patients?
- Medicare's clinician data lists 15 practice locations, including Riverside, CA, Panorama City, CA and Anaheim, CA. Call before your visit to confirm the address.
- What is Gerard K. Nguyen's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Gerard K. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Gerard K. Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gerard K. Nguyen?
- (951) 353-2000, as listed in official Medicare / NPI Registry data.
- What is Gerard K. Nguyen's NPI number?
- 1982946281. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gerard K. Nguyen works
Medicare's Facility Affiliation Data lists Gerard K. Nguyen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hospital - Orange County - AnaheimAnaheim, CA · Acute Care Hospital · CCN 050609
Practice locations
Addresses where Gerard K. Nguyen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 15; the Medicare profile lists all.
- 10800 Magnolia AveRiverside, CA 92505 (951) 353‑2000
- 13652 Cantara StPanorama City, CA 91402 (818) 375‑2000
- 3430 E La Palma AveAnaheim, CA 92806 (888) 988‑2800
- 3460 E La Palma AveAnaheim, CA 92806 (714) 644‑2010
- 4647 Zion AveSan Diego, CA 92120 (619) 528‑5000
Group practices
Medicare enrollment lists Gerard K. Nguyen as a member of this group (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Riverside
Clinicians with the same Medicare primary specialty in Riverside, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982946281 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians