Quick answers
- Which hospitals does Cynthia Castillo work at?
- Medicare's official clinician data lists Cynthia Castillo at 2 hospitals: 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 Cynthia Castillo see patients?
- Medicare's clinician data lists 2 practice locations, including Murrieta, CA and Temecula, CA. Call before your visit to confirm the address.
- What is Cynthia Castillo's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Cynthia Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Cynthia Castillo 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 Cynthia Castillo?
- (951) 676-4193, as listed in official Medicare / NPI Registry data.
- What is Cynthia Castillo's NPI number?
- 1699429704. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cynthia Castillo works
Medicare's Facility Affiliation Data lists Cynthia Castillo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Southwest Healthcare Rancho Springs HospitalMurrieta, CA · Acute Care Hospital · CCN 050701
- Temecula Valley HospitalTemecula, CA · Acute Care Hospital · CCN 050775
Practice locations
Addresses where Cynthia Castillo is enrolled with Medicare (CMS data updated 2026-10-02).
- 25500 Medical Ctr DrMurrieta, CA 92562 (951) 676‑4193
- 28780 Single Oak Dr, Suite 160Temecula, CA 92590 (951) 676‑4193
Group practices
Medicare enrollment lists Cynthia Castillo as a member of this group (CMS data updated 2026-10-02).
- Rancho Family Medical Group Inc113 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Murrieta
Clinicians with the same Medicare primary specialty in Murrieta, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699429704 |
| 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