Quick answers
- Does Aziza B. Najjar accept Medicare assignment?
- Yes. Medicare's clinician data says Aziza B. Najjar 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 Aziza B. Najjar see?
- In 2024, CMS data shows 98 Original Medicare patients and 207 services for Aziza B. Najjar. This counts Original Medicare only and measures volume, not quality.
- What is Aziza B. Najjar's NPI number?
- 1679208946. 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 Aziza B. Najjar, 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 | 98 |
|---|---|
| Services billed to Medicare | 207 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)62 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)40 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)22 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)19 services
- Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)13 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 cholesterol75%
- High blood pressure59%
- Arthritis45%
- Diabetes31%
- Anxiety20%
- Osteoporosis19%
Practice locations
Addresses where Aziza B. Najjar is enrolled with Medicare (CMS data updated October 2, 2026).
- 1165 Montgomery DrSanta Rosa, CA 95405 (707) 546‑3210
- 12550 Hesperia Rd, Suite 100Victorville, CA 92395 (760) 241‑6666
- 15855 Pomona Rincon Rd, Bldg 4Chino Hills, CA 91709 (909) 929‑2511
- 17043 Main StHesperia, CA 92345 (760) 241‑6666
- 19333 Bear Valley RdApple Valley, CA 92308
Group practices
Medicare enrollment lists Aziza B. Najjar as a member of this group (CMS data updated October 2, 2026).
- Providence Medical Foundation1,466 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Santa Rosa
Clinicians with the same Medicare primary specialty in Santa Rosa, CA — not a recommendation.
Other clinicians in Providence Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679208946 |
| 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
- 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