Quick answers
- Where does Peter N. Mattar see patients?
- Medicare's clinician data lists 3 practice locations, including Norco, CA, Corona, CA and Riverside, CA. Call before your visit to confirm the address.
- What is Peter N. Mattar's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Peter N. Mattar accept Medicare assignment?
- Yes. Medicare's clinician data says Peter N. Mattar 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.
- Does Peter N. Mattar offer telehealth?
- Medicare's clinician data says Peter N. Mattar offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Peter N. Mattar?
- (951) 737-8141, as listed in official Medicare / NPI Registry data.
- What is Peter N. Mattar's NPI number?
- 1417005422. 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 Peter N. Mattar is enrolled with Medicare (CMS data updated 2026-10-02).
- 1901 Town and Country Dr, Suite 104Norco, CA 92860 (951) 737‑8141
- 2250 S Main St, Suite 106Corona, CA 92882 (951) 371‑2703
- 6900 Brockton Ave, Suite 100Riverside, CA 92506 (951) 781‑3800
Group practices
Medicare enrollment lists Peter N. Mattar as a member of these groups (CMS data updated 2026-10-02).
- Citrus Valley Medical Associates Inc14 clinicians in the group
- Platinum Providers Medical Group Inc3 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Norco
Clinicians with the same Medicare primary specialty in Norco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417005422 |
| 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