BASSAM BADER
NPI 1487072559
Hospitalist in Riverside, CA
About Bassam Bader NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BASSAM BADER (NPI 1487072559) is an individual hospitalist provider in Riverside, California, licensed in California (A170093) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
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
Bassam Bader 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 Bassam Bader reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92501
- Reassigned Medicare billing, California enrollment
- 54 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 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 2
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 Bassam Bader's NPI number?
The NPI number for Bassam Bader is 1487072559. It was assigned to this individual provider in the NPPES registry on April 4, 2014.
Where is Bassam Bader located?
Bassam Bader practices at 3865 Jackson St, Riverside, CA 92503. The listed phone number is (714) 676-3880.
What is Bassam Bader's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Bassam Bader enrolled in Medicare?
Yes. Bassam Bader 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 Bassam Bader's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bassam Bader reassigns Medicare benefits to 2 organizations: Providence Healthcare Partners,, Inc (Riverside, CA) and City Of Hope Medical Foundation (Duarte, 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 Bassam Bader'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 Bassam Bader was last updated on February 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.