Quick answers
- Which hospitals does Oscar Castro work at?
- Medicare's official clinician data lists Oscar Castro at 2 hospitals: Oroville Hospital and Ozarks Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Oscar Castro see patients?
- Medicare's clinician data lists 5 practice locations, including West Plains, MO, Cape Girardeau, MO and Yuba City, CA. Call before your visit to confirm the address.
- What is Oscar Castro's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Oscar Castro accept Medicare assignment?
- Yes. Medicare's clinician data says Oscar Castro 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 Oscar Castro's NPI number?
- 1093743288. 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 Castro works
Medicare's Facility Affiliation Data lists Oscar Castro at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Oroville HospitalOroville, CA · Acute Care Hospital · CCN 050030
- Ozarks HealthcareWest Plains, MO · Acute Care Hospital · CCN 260078
Practice locations
Addresses where Oscar Castro is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Kentucky AveWest Plains, MO 65775
- 326 S Mount Auburn Rd, Suite 201Cape Girardeau, MO 63703
- 935 Market StYuba City, CA 95991
- PO Box, Suite 617Somerton, AZ 85350
- PO Box AdYuba City, CA 95992
Specialties
- Internal Medicineprimary
Other internal medicine doctors in West Plains
Clinicians with the same Medicare primary specialty in West Plains, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093743288 |
| 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