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Internal Medicine

Robert A. Bonner, MD

Sees patients in Riverside, CA · California

Summary

Robert A. Bonner, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Riverside, CA. NPI 1497862684. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Robert A. Bonner, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
53Years since medical school (graduated 1973)
University Of Minnesota Medical SchoolMedical school
MaleGender (as listed)

Quick answers

Where does Robert A. Bonner see patients?
Medicare's clinician data lists 1 practice location in Riverside, CA. Call before your visit to confirm the address.
What is Robert A. Bonner's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Endocrinology.
Does Robert A. Bonner accept Medicare assignment?
Yes. Medicare's clinician data says Robert A. Bonner 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 Robert A. Bonner?
(951) 353-0333, as listed in official Medicare / NPI Registry data.
What is Robert A. Bonner's NPI number?
1497862684. 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 Robert A. Bonner is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Riverside

Clinicians with the same Medicare primary specialty in Riverside, CA — not a recommendation.

All internal medicine doctors in Riverside →

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year1973
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497862684
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians