ROBERT JOSEPH ALLEN M.D.
NPI 1841202330
Emergency Medicine in Montclair, CA
About Robert Joseph Allen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT JOSEPH ALLEN M.D. (NPI 1841202330) is an individual emergency medicine provider in Montclair, California, licensed in California (A51378) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Texas Tech University Health Science Center School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
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
Robert Joseph Allen 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
2Medicare enrollment records show Robert Allen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Diamond Bar, CA 91765
- Reassigned Medicare billing, California enrollment
- 1,699 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 55 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91763 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.
MONTCLAIR, CA 91763
MONTCLAIR, CA 91763
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 Allen's NPI number?
The NPI number for Robert Allen is 1841202330. It was assigned to this individual provider in the NPPES registry on August 12, 2006.
Where is Robert Allen located?
Robert Allen practices at 8891 Central Ave, Montclair, CA 91763. The listed phone number is (909) 625-4848.
What is Robert Allen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Robert Allen enrolled in Medicare?
Yes. Robert Allen 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 Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Allen reassigns Medicare benefits to 2 organizations: Providence Medical Foundation (Diamond Bar, CA) and Cep America - Auc PC (Redlands, 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 Allen'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 Allen was last updated on October 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.