Quick answers
- Which hospitals does Gustavo Calleros work at?
- Medicare's official clinician data lists Gustavo Calleros at 1 hospital: Adventist Health White Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gustavo Calleros see patients?
- Medicare's clinician data lists 3 practice locations, including Montebello, CA, Los Angeles, CA and Pasadena, CA. Call before your visit to confirm the address.
- What is Gustavo Calleros's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Gustavo Calleros accept Medicare assignment?
- Yes. Medicare's clinician data says Gustavo Calleros 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.
- Does Gustavo Calleros offer telehealth?
- Medicare's clinician data says Gustavo Calleros offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gustavo Calleros?
- (323) 728-6070, as listed in official Medicare / NPI Registry data.
- What is Gustavo Calleros's NPI number?
- 1346358827. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gustavo Calleros works
Medicare's Facility Affiliation Data lists Gustavo Calleros at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health White MemorialLos Angeles, CA · Acute Care Hospital · CCN 050103
Practice locations
Addresses where Gustavo Calleros is enrolled with Medicare (CMS data updated 2026-10-02).
- 1217 W Whittier BlvdMontebello, CA 90640 (323) 728‑6070
- 1701 Cesar Chavez Ave, Suite 354Los Angeles, CA 90033 (323) 728‑6070
- 50 Bellefontaine StPasadena, CA 91105 (323) 728‑6070
Group practices
Medicare enrollment lists Gustavo Calleros as a member of this group (CMS data updated 2026-10-02).
- Modern Concepts Medical Group Inc9 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Montebello
Clinicians with the same Medicare primary specialty in Montebello, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1346358827 |
| 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