Quick answers
- Which hospitals does Joseph C. Preston work at?
- Medicare's official clinician data lists Joseph C. Preston at 2 hospitals: Providence Little Company of Mary Medical Center Torrance and Providence St. Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph C. Preston see patients?
- Medicare's clinician data lists 2 practice locations, including Orange, CA and Torrance, CA. Call before your visit to confirm the address.
- What is Joseph C. Preston's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Internal Medicine.
- Does Joseph C. Preston accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph C. Preston 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 Joseph C. Preston?
- (714) 771-8000, as listed in official Medicare / NPI Registry data.
- What is Joseph C. Preston's NPI number?
- 1457329674. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph C. Preston works
Medicare's Facility Affiliation Data lists Joseph C. Preston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · CCN 050353
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · CCN 050069
Practice locations
Addresses where Joseph C. Preston is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 W Stewart DrOrange, CA 92868 (714) 771‑8000
- 4101 Torrance BlvdTorrance, CA 90503 (949) 829‑8299
Group practices
Medicare enrollment lists Joseph C. Preston as a member of these groups (CMS data updated 2026-10-02).
- Southbay Critical Care a Medical Partnership12 clinicians in the group
- Integrated Critical Care and Pulmonary Specialists Inc10 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in California →
Other critical care doctors in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457329674 |
| 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