Quick answers
- Does Barbara Santa Cruz accept Medicare assignment?
- Yes. Medicare's clinician data says Barbara Santa Cruz 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 Barbara Santa Cruz's NPI number?
- 1881775088. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Barbara Santa Cruz works
Medicare's Facility Affiliation Data lists Barbara Santa Cruz 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.
- San Antonio Regional HospitalUpland, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050099
Practice locations
Addresses where Barbara Santa Cruz is enrolled with Medicare (CMS data updated October 2, 2026).
- 8231 Rochester AveRancho Cucamonga, CA 91730
- 8231 Rochester Ave, Suite 110Rancho Cucamonga, CA 91730 (909) 483‑7800
Group practices
Medicare enrollment lists Barbara Santa Cruz as a member of this group (CMS data updated October 2, 2026).
- Ravinder Singh MD., Inc5 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Rancho Cucamonga
Clinicians with the same Medicare primary specialty in Rancho Cucamonga, CA — not a recommendation.
Other clinicians in Ravinder Singh MD., Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 1981 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881775088 |
| 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