DR. JOSEPH W. ASCHENBRENNER O.D.
NPI 1841329786
Optometrist in Barrington, IL
About Dr. Joseph W. Aschenbrenner O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH W. ASCHENBRENNER O.D. (NPI 1841329786) is an individual optometrist in Barrington, Illinois, licensed in Illinois (046.007840) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Joseph W. Aschenbrenner O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Joseph Aschenbrenner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Edwardsville, IL 62025
- Reassigned Medicare billing, Illinois enrollment
- 127 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 3
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 60010 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Joseph Aschenbrenner's NPI number?
The NPI number for Joseph Aschenbrenner is 1841329786. It was assigned to this individual provider in the NPPES registry on March 5, 2007.
Where is Joseph Aschenbrenner located?
Joseph Aschenbrenner practices at 330 E Main St Suite 1 East, Barrington, IL 60010. The listed phone number is (847) 381-5313.
What is Joseph Aschenbrenner's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Joseph Aschenbrenner enrolled in Medicare?
Yes. Joseph Aschenbrenner is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Joseph Aschenbrenner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Aschenbrenner reassigns Medicare benefits to Christina J. Levi O D P C (Edwardsville, 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 Joseph Aschenbrenner'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 Joseph Aschenbrenner was last updated on October 29, 2009. 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.