DR. TARA DIEDERICH GEROU D.C.
NPI 1801191218
Chiropractor in Oak Park, IL
About Dr. Tara Diederich Gerou D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TARA DIEDERICH GEROU D.C. (NPI 1801191218) is an individual chiropractor in Oak Park, Illinois, licensed in Illinois (038.011866) and active in the NPI registry since January 2011. She is a graduate of National College Of Chiropractic (2010).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Tara Diederich Gerou D.c. 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 Tara Gerou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Park, IL 60302
- Reassigned Medicare billing, Illinois enrollment
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
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
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 Tara Gerou's NPI number?
The NPI number for Tara Gerou is 1801191218. It was assigned to this individual provider in the NPPES registry on January 14, 2011.
Where is Tara Gerou located?
Tara Gerou practices at 1001 Madison St, Oak Park, IL 60302. The listed phone number is (773) 680-4743.
What is Tara Gerou's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Tara Gerou enrolled in Medicare?
Yes. Tara Gerou 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 Tara Gerou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tara Gerou reassigns Medicare benefits to White Lotus Chiropractic Of Oak Park Ltd (Oak Park, 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 Tara Gerou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tara Gerou accept?
Health plans from Providence Health Plan list Tara Gerou 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.
When was this NPI record last updated?
The NPPES record for Tara Gerou was last updated on January 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Tara Diederich Gerou, D.C. · NPI 1801191218
Chiropractor provider in Oak Park, Illinois. Individual provider, active in the CMS NPPES registry since January 14, 2011.
## Identity
- **NPI:** 1801191218 (Entity type: Individual)
- **Enumerated:** January 14, 2011
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 038.011866 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 MADISON ST, Oak Park, IL 60302-4443
- **Phone:** (773) 680-4743
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** White Lotus Chiropractic Of Oak Park Ltd (NPI 1699066167, Oak Park, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** National College Of Chiropractic, class of 2010
## Record status
- **NPPES last updated:** January 14, 2011
---
Source: [NPI Profile](https://npiprofile.com/npi/1801191218) · Data from the CMS NPPES public registry.