Quick answers
- Which hospitals does Phong X. Ngo work at?
- Medicare's official clinician data lists Phong X. Ngo at 2 hospitals: Garfield Medical Center and Whittier Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Phong X. Ngo see patients?
- Medicare's clinician data lists 2 practice locations, including South El Monte, CA and Monterey Park, CA. Call before your visit to confirm the address.
- What is Phong X. Ngo's specialty?
- Medicare lists Emergency Medicine as the primary specialty, and also Internal Medicine.
- Does Phong X. Ngo accept Medicare assignment?
- Yes. Medicare's clinician data says Phong X. Ngo 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 Phong X. Ngo?
- (626) 579-7777, as listed in official Medicare / NPI Registry data.
- What is Phong X. Ngo's NPI number?
- 1942243449. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Phong X. Ngo works
Medicare's Facility Affiliation Data lists Phong X. Ngo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Garfield Medical CenterMonterey Park, CA · Acute Care Hospital · CCN 050737
- Whittier Hospital Medical CenterWhittier, CA · Acute Care Hospital · CCN 050735
Practice locations
Addresses where Phong X. Ngo is enrolled with Medicare (CMS data updated 2026-10-02).
- 1701 Santa Anita AveSouth El Monte, CA 91733 (626) 579‑7777
- 525 N Garfield AveMonterey Park, CA 91754 (626) 573‑2222
Group practices
Medicare enrollment lists Phong X. Ngo as a member of this group (CMS data updated 2026-10-02).
- Gem Medical Group Corporation57 clinicians in the group
Specialties
- Emergency Medicineprimary
- Internal Medicinealso
Other emergency medicine doctors in South El Monte
Clinicians with the same Medicare primary specialty in South El Monte, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942243449 |
| 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