Quick answers
- Where does Omar Perez see patients?
- Medicare's clinician data lists 3 practice locations, including El Monte, CA. Call before your visit to confirm the address.
- What is Omar Perez's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Omar Perez accept Medicare assignment?
- Yes. Medicare's clinician data says Omar Perez 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 Omar Perez?
- (626) 442-9430, as listed in official Medicare / NPI Registry data.
- What is Omar Perez's NPI number?
- 1043393465. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Omar Perez is enrolled with Medicare (CMS data updated 2026-10-02).
- 10278 E Ramonda Blvd AEl Monte, CA 91731
- 10728 Ramona Blvd, Suite AEl Monte, CA 91731 (626) 442‑9430
- 10728 Ramona Blvd AEl Monte, CA 91731
Specialties
- Internal Medicineprimary
Other internal medicine doctors in El Monte
Clinicians with the same Medicare primary specialty in El Monte, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1974 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043393465 |
| 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
- 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