Quick answers
- Which hospitals does Steve Nguyen work at?
- Medicare's official clinician data lists Steve Nguyen at 5 hospitals: Alhambra Hospital Medical Center, College Medical Center, Encino Hospital Medical Center, San Gabriel Valley Medical Center and Sherman Oaks Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steve Nguyen see patients?
- Medicare's clinician data lists 1 practice location in Rosemead, CA. Call before your visit to confirm the address.
- What is Steve Nguyen's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Steve Nguyen accept Medicare assignment?
- Medicare's clinician data says Steve Nguyen may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Steve Nguyen?
- (626) 316-8169, as listed in official Medicare / NPI Registry data.
- What is Steve Nguyen's NPI number?
- 1649357732. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steve Nguyen works
Medicare's Facility Affiliation Data lists Steve Nguyen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alhambra Hospital Medical CenterAlhambra, CA · Acute Care Hospital · CCN 050281
- College Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050776
- Encino Hospital Medical CenterEncino, CA · Acute Care Hospital · CCN 050158
- San Gabriel Valley Medical CenterSan Gabriel, CA · Acute Care Hospital · CCN 050132
- Sherman Oaks HospitalSherman Oaks, CA · Acute Care Hospital · CCN 050755
Practice locations
Addresses where Steve Nguyen is enrolled with Medicare (CMS data updated 2026-10-02).
- 9120 Valley BlvdRosemead, CA 91770 (626) 316‑8169
Specialties
- Gastroenterologyprimary
Other gastroenterologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | College Of Osteo Med Of The Pacific At Pomona |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1649357732 |
| 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