Quick answers
- Where does Nayef M. Kazzaz see patients?
- Medicare's clinician data lists 2 practice locations, including Riverside, CA. Call before your visit to confirm the address.
- What is Nayef M. Kazzaz's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Nayef M. Kazzaz accept Medicare assignment?
- Yes. Medicare's clinician data says Nayef M. Kazzaz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Nayef M. Kazzaz?
- (951) 781-7700, as listed in official Medicare / NPI Registry data.
- What is Nayef M. Kazzaz's NPI number?
- 1316234693. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Nayef M. Kazzaz is enrolled with Medicare (CMS data updated 2026-10-02).
- 4244 Riverwalk Pkwy, Suite 220Riverside, CA 92505 (951) 781‑7700
- 6180 Brockton Ave, Suite 204Riverside, CA 92506 (951) 781‑7700
Group practices
Medicare enrollment lists Nayef M. Kazzaz as a member of this group (CMS data updated 2026-10-02).
- Arthritis Medical Clinic4 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Riverside
Clinicians with the same Medicare primary specialty in Riverside, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316234693 |
| 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 2026-10-02, retrieved 2026-10-29
- 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