Quick answers
- Where does Abraham Rivera see patients?
- Medicare's clinician data lists 3 practice locations, including Fullerton, CA and Tampa, FL. Call before your visit to confirm the address.
- What is Abraham Rivera's specialty?
- Medicare lists Pain Management as the primary specialty, and also Anesthesiology.
- Does Abraham Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Abraham Rivera 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 Abraham Rivera?
- (714) 770-8400, as listed in official Medicare / NPI Registry data.
- What is Abraham Rivera's NPI number?
- 1407875065. 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 Abraham Rivera is enrolled with Medicare (CMS data updated 2026-10-02).
- 295 Imperial Hwy, Suite 100Fullerton, CA 92835 (714) 770‑8400
- 3450 E Fletcher Ave, Suite 350Tampa, FL 33613 (813) 739‑7493
- 4730 N Habana Ave, Suite 104Tampa, FL 33614 (813) 739‑7498
Group practices
Medicare enrollment lists Abraham Rivera as a member of these groups (CMS data updated 2026-10-02).
- Florida Pain Relief Group PLLC73 clinicians in the group
- Medhat F Mikhael MD Inc10 clinicians in the group
Specialties
- Pain Managementprimary
- Anesthesiologyalso
Other pain management doctors in Fullerton
Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407875065 |
| 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