Quick answers
- Does Billie Y. Guerra accept Medicare assignment?
- Yes. Medicare's clinician data says Billie Y. Guerra accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Billie Y. Guerra's NPI number?
- 1679528897. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Billie Y. Guerra works
Medicare's Facility Affiliation Data lists Billie Y. Guerra at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ridgecrest Regional HospitalRidgecrest, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051333
Practice locations
Addresses where Billie Y. Guerra is enrolled with Medicare (CMS data updated October 2, 2026).
- 1011 N China Lake BlvdRidgecrest, CA 93555 (760) 446‑6404
- 1081 N China Lake BlvdRidgecrest, CA 93555 (760) 499‑3899
Group practices
Medicare enrollment lists Billie Y. Guerra as a member of this group (CMS data updated October 2, 2026).
- Ridgecrest Regional Hospital95 clinicians in the group
Specialties
Other OB-GYNs in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Ridgecrest Regional Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679528897 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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