Quick answers
- Which hospitals does Michael A. Macias work at?
- Medicare's official clinician data lists Michael A. Macias at 1 hospital: Temecula Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael A. Macias see patients?
- Medicare's clinician data lists 1 practice location in Temecula, CA. Call before your visit to confirm the address.
- What is Michael A. Macias's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Michael A. Macias accept Medicare assignment?
- Yes. Medicare's clinician data says Michael A. Macias 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 Michael A. Macias?
- (951) 331-2280, as listed in official Medicare / NPI Registry data.
- What is Michael A. Macias's NPI number?
- 1861836660. 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 A. Macias works
Medicare's Facility Affiliation Data lists Michael A. Macias at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Temecula Valley HospitalTemecula, CA · Acute Care Hospital · CCN 050775
Practice locations
Addresses where Michael A. Macias is enrolled with Medicare (CMS data updated 2026-10-02).
- 31700 Temecula PkwyTemecula, CA 92592 (951) 331‑2280
Group practices
Medicare enrollment lists Michael A. Macias as a member of this group (CMS data updated 2026-10-02).
- Temecula Valley Emergency Physicians Inc22 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Temecula
Clinicians with the same Medicare primary specialty in Temecula, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861836660 |
| 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