ALLEN DAVID BLOOM MD
NPI 1851409387
Surgery in Aurora, IL
About Allen David Bloom Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLEN DAVID BLOOM MD (NPI 1851409387) is an individual surgery provider in Aurora, Illinois, licensed in Illinois (036067856) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Copley Memorial Hospital, and is a graduate of Northwestern University Feinberg Medical School (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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
Allen David Bloom Md 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
3Medicare enrollment records show Allen Bloom reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 79 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush-Copley Medical Group Nfp
- 171 clinicians in this Medicare group
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 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 6
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Copley Memorial Hospital
Acute Care Hospitals · Aurora, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60504 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.
AURORA, IL 60504
AURORA, IL 60504
AURORA, IL 60504
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 Allen Bloom's NPI number?
The NPI number for Allen Bloom is 1851409387. It was assigned to this individual provider in the NPPES registry on August 25, 2006.
Where is Allen Bloom located?
Allen Bloom practices at 2040 Ogden Ave Suite 115, Aurora, IL 60504. The listed phone number is (630) 585-0200.
What is Allen Bloom's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Allen Bloom enrolled in Medicare?
Yes. Allen Bloom 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 Allen Bloom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allen Bloom reassigns Medicare benefits to 3 organizations: Copley Memorial Hospital, Inc. (Aurora, IL), Rush-Copley Medical Group (Aurora, IL) and Rush University Medical Center (Oak Brook, IL). 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 Allen Bloom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allen Bloom accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Allen Bloom as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Allen Bloom affiliated with any hospitals?
According to CMS data, Allen Bloom is affiliated with Copley Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Allen Bloom was last updated on April 8, 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.