Quick answers
- Which hospitals does Ruben Martinez work at?
- Medicare's official clinician data lists Ruben Martinez at 1 hospital: Adventist Health White Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruben Martinez see patients?
- Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
- What is Ruben Martinez's specialty?
- Medicare lists Anesthesiology as the primary specialty, and also Geriatric Medicine, Interventional Pain Management, Osteopathic Manipulative Medicine and Physical Medicine and Rehabilitation.
- Does Ruben Martinez accept Medicare assignment?
- Yes. Medicare's clinician data says Ruben Martinez 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 Ruben Martinez's NPI number?
- 1215962006. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruben Martinez works
Medicare's Facility Affiliation Data lists Ruben Martinez 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 Ruben Martinez is enrolled with Medicare (CMS data updated 2026-10-02).
- 1720 E Cesar E Chavez AveLos Angeles, CA 90033
Group practices
Medicare enrollment lists Ruben Martinez as a member of this group (CMS data updated 2026-10-02).
- White Memorial Medical Center74 clinicians in the group
Specialties
Other anesthesiologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215962006 |
| 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