Quick answers
- Which hospitals does John Quiamas work at?
- Medicare's official clinician data lists John Quiamas at 1 hospital: Emanate Health Inter-Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Quiamas see patients?
- Medicare's clinician data lists 3 practice locations, including West Covina, CA and Baldwin Park, CA. Call before your visit to confirm the address.
- What is John Quiamas's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John Quiamas accept Medicare assignment?
- Yes. Medicare's clinician data says John Quiamas 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 John Quiamas?
- (626) 732-8391, as listed in official Medicare / NPI Registry data.
- What is John Quiamas's NPI number?
- 1023545712. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Quiamas works
Medicare's Facility Affiliation Data lists John Quiamas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Emanate Health Inter-Community HospitalCovina, CA · Acute Care Hospital · CCN 050382
Practice locations
Addresses where John Quiamas is enrolled with Medicare (CMS data updated 2026-10-02).
- 1135 S Sunset Ave, Suite 401West Covina, CA 91790 (626) 732‑8391
- 14514 Ramona Blvd, Suite 3Baldwin Park, CA 91706 (626) 337‑0424
- 420 S Glendora AveWest Covina, CA 91790
Group practices
Medicare enrollment lists John Quiamas as a member of these groups (CMS data updated 2026-10-02).
- Emanate Health Medical Care Foundation86 clinicians in the group
- East Valley Community Health Center, Inc.47 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in West Covina
Clinicians with the same Medicare primary specialty in West Covina, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023545712 |
| 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