Quick answers
- Does Ana M. Bechara Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Ana M. Bechara Diaz 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.
- How many Medicare patients does Ana M. Bechara Diaz see?
- In 2024, CMS data shows 53 Original Medicare patients and 72 services for Ana M. Bechara Diaz. This counts Original Medicare only and measures volume, not quality.
- What is Ana M. Bechara Diaz's NPI number?
- 1255747598. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Ana M. Bechara Diaz, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 53 |
|---|---|
| Services billed to Medicare | 72 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)42 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes64%
- Ischemic heart disease57%
- Arthritis55%
- Heart failure49%
Hospitals where Ana M. Bechara Diaz works
Medicare's Facility Affiliation Data lists Ana M. Bechara Diaz 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.
- St Johns Regional Medical CenterOxnard, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050082
Practice locations
Addresses where Ana M. Bechara Diaz is enrolled with Medicare (CMS data updated October 2, 2026).
- 1600 N Rose AveOxnard, CA 93030 (805) 988‑2500
Group practices
Medicare enrollment lists Ana M. Bechara Diaz as a member of this group (CMS data updated October 2, 2026).
- Inpatient Specialists of California PC385 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Oxnard
Clinicians with the same Medicare primary specialty in Oxnard, CA — not a recommendation.
Other clinicians in Inpatient Specialists of California PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255747598 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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