Quick answers
- Where does Ajay S. Mathur see patients?
- Medicare's clinician data lists 3 practice locations, including Brea, CA and Anaheim, CA. Call before your visit to confirm the address.
- What is Ajay S. Mathur's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Ajay S. Mathur accept Medicare assignment?
- Yes. Medicare's clinician data says Ajay S. Mathur 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 Ajay S. Mathur offer telehealth?
- Medicare's clinician data says Ajay S. Mathur offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ajay S. Mathur?
- (888) 988-2800, as listed in official Medicare / NPI Registry data.
- What is Ajay S. Mathur's NPI number?
- 1437220415. 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 Ajay S. Mathur is enrolled with Medicare (CMS data updated 2026-10-02).
- 1900 E Lambert RdBrea, CA 92821 (888) 988‑2800
- 411 N Lakeview AveAnaheim, CA 92807 (714) 279‑4000
- 5475 E La Palma AveAnaheim, CA 92807 (714) 279‑6088
Group practices
Medicare enrollment lists Ajay S. Mathur as a member of this group (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Brea
Clinicians with the same Medicare primary specialty in Brea, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1437220415 |
| 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