Quick answers
- Does Ayaz A. Biviji accept Medicare assignment?
- Yes. Medicare's clinician data says Ayaz A. Biviji 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 Ayaz A. Biviji see?
- In 2024, CMS data shows 407 Original Medicare patients and 4,169 services for Ayaz A. Biviji. This counts Original Medicare only and measures volume, not quality.
- What is Ayaz A. Biviji's NPI number?
- 1023008422. 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 Ayaz A. Biviji, 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 | 407 |
|---|---|
| Services billed to Medicare | 4,169 |
| Different services or procedures | 73 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)1,279 services
- Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg (J7322)840 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)675 services
- Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)277 services
- X-ray of knee, 1-2 views (73560)170 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%
- Arthritis75%
- Diabetes34%
- Ischemic heart disease27%
- Chronic kidney disease26%
Hospitals where Ayaz A. Biviji works
Medicare's Facility Affiliation Data lists Ayaz A. Biviji 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.
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050069
- Providence St. Jude Medical CenterFullerton, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050168
Practice locations
Addresses where Ayaz A. Biviji is enrolled with Medicare (CMS data updated October 2, 2026).
- 1310 W Stewart Dr, Suite 410Orange, CA 92868
Group practices
Medicare enrollment lists Ayaz A. Biviji as a member of this group (CMS data updated October 2, 2026).
- Orange Orthopedic Medica GP Inc the Providence Bldg11 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Other clinicians in Orange Orthopedic Medica GP Inc the Providence Bldg
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023008422 |
| 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