DR. DAVID REHN M.D.
NPI 1194772582
Anesthesiology in Naperville, IL
About Dr. David Rehn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID REHN M.D. (NPI 1194772582) is an individual anesthesiology provider in Naperville, Illinois, licensed in Illinois (036098261) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (1994).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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. David Rehn 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 Reassignment
Medicare enrollment records show David Rehn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wheaton, IL 60187
- Reassigned Medicare billing, Illinois enrollment
- 10 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.
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.
NAPERVILLE, IL 60540
NAPERVILLE, IL 60540
NAPERVILLE, IL 60540
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 David Rehn's NPI number?
The NPI number for David Rehn is 1194772582. It was assigned to this individual provider in the NPPES registry on May 30, 2006.
Where is David Rehn located?
David Rehn practices at 801 S Washington St, Naperville, IL 60540. The listed phone number is (630) 355-0450.
What is David Rehn's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is David Rehn enrolled in Medicare?
Yes. David Rehn 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 organization bills Medicare for David Rehn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Rehn reassigns Medicare benefits to Dupage Eye Anesthesiology LLC (Wheaton, IL). The 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 David Rehn'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 David Rehn was last updated on May 10, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.