DR. ROBERT JAMES CANNON M.D.
NPI 1528097045
Emergency Medicine in Riverside, CA
About Dr. Robert James Cannon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT JAMES CANNON M.D. (NPI 1528097045) is an individual emergency medicine provider in Riverside, California, licensed in California (A39500) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Robert James Cannon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Robert Cannon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92503
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
San Dimas, CA 91773
- Reassigned Medicare billing, California enrollment
- 75 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 129 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERSIDE, CA 92503
RIVERSIDE, CA 92503
RIVERSIDE, CA 92503
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Robert Cannon's NPI number?
The NPI number for Robert Cannon is 1528097045. It was assigned to this individual provider in the NPPES registry on June 30, 2006.
Where is Robert Cannon located?
Robert Cannon practices at 3865 Jackson St, Riverside, CA 92503. The listed phone number is (951) 352-5666.
What is Robert Cannon's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Robert Cannon enrolled in Medicare?
Yes. Robert Cannon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Robert Cannon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Cannon reassigns Medicare benefits to 4 organizations: Riverside Emergency Physicians Medical Group (Riverside, CA), San Dimas Emergency Medical Associates Inc. (San Dimas, CA), Seven Star Hospital Associates Inc. (Hemet, CA) and Apex Emergency Medical Group, Inc. (Hemet, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Cannon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Robert Cannon was last updated on March 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.