Quick answers
- Which hospitals does Michael S. Basch work at?
- Medicare's official clinician data lists Michael S. Basch at 3 hospitals: Loma Linda University Medical Center-Murrieta, Southwest Healthcare Rancho Springs Hospital and Temecula Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael S. Basch see patients?
- Medicare's clinician data lists 3 practice locations, including Murrieta, CA, Wildomar, CA and Temecula, CA. Call before your visit to confirm the address.
- What is Michael S. Basch's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Michael S. Basch accept Medicare assignment?
- Medicare's clinician data says Michael S. Basch may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Michael S. Basch?
- (951) 677-1111, as listed in official Medicare / NPI Registry data.
- What is Michael S. Basch's NPI number?
- 1790889350. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael S. Basch works
Medicare's Facility Affiliation Data lists Michael S. Basch at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Loma Linda University Medical Center-MurrietaMurrieta, CA · Acute Care Hospital · CCN 050770
- Southwest Healthcare Rancho Springs HospitalMurrieta, CA · Acute Care Hospital · CCN 050701
- Temecula Valley HospitalTemecula, CA · Acute Care Hospital · CCN 050775
Practice locations
Addresses where Michael S. Basch is enrolled with Medicare (CMS data updated 2026-10-02).
- 25500 Medical Ctr DrMurrieta, CA 92562 (951) 677‑1111
- 36485 Inland Valley DrWildomar, CA 92595 (951) 677‑1111
- 41593 Winchester Rd, Suite 101Temecula, CA 92590 (951) 719‑1111
Group practices
Medicare enrollment lists Michael S. Basch as a member of this group (CMS data updated 2026-10-02).
- Acute Care Associates of California PC55 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Murrieta
Clinicians with the same Medicare primary specialty in Murrieta, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1790889350 |
| 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