Quick answers
- Which hospitals does Oscar O. Ramirez work at?
- Medicare's official clinician data lists Oscar O. Ramirez at 2 hospitals: Redlands Community Hospital and San Gorgonio Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Oscar O. Ramirez see patients?
- Medicare's clinician data lists 1 practice location in Redlands, CA. Call before your visit to confirm the address.
- What is Oscar O. Ramirez's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Oscar O. Ramirez accept Medicare assignment?
- Yes. Medicare's clinician data says Oscar O. Ramirez 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 Oscar O. Ramirez?
- (909) 793-3311, as listed in official Medicare / NPI Registry data.
- What is Oscar O. Ramirez's NPI number?
- 1689831570. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Oscar O. Ramirez works
Medicare's Facility Affiliation Data lists Oscar O. Ramirez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Redlands Community HospitalRedlands, CA · Acute Care Hospital · CCN 050272
- San Gorgonio Memorial HospitalBanning, CA · Acute Care Hospital · CCN 050054
Practice locations
Addresses where Oscar O. Ramirez is enrolled with Medicare (CMS data updated 2026-10-02).
- 2 W Fern AveRedlands, CA 92373 (909) 793‑3311
Group practices
Medicare enrollment lists Oscar O. Ramirez as a member of this group (CMS data updated 2026-10-02).
- Beaver Medical Group P C247 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Redlands
Clinicians with the same Medicare primary specialty in Redlands, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689831570 |
| 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