CASSANDRA THIELEN DC
NPI 1154965473
Chiropractor in Omaha, NE
About Cassandra Thielen Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSANDRA THIELEN DC (NPI 1154965473) is an individual chiropractor in Omaha, Nebraska, licensed in Nebraska (2028) and active in the NPI registry since October 2019. She is a graduate of Northwestern College Of Chiropractic (2019).
NPPES Registry Identity
Specialties & Licenses
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
Cassandra Thielen Dc 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 Cassandra Thielen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Omaha, NE 68135
- Reassigned Medicare billing, Nebraska enrollment
- 3 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.
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 Cassandra Thielen's NPI number?
The NPI number for Cassandra Thielen is 1154965473. It was assigned to this individual provider in the NPPES registry on October 30, 2019.
Where is Cassandra Thielen located?
Cassandra Thielen practices at 18010 R Plz Ste 104, Omaha, NE 68135. The listed phone number is (402) 408-6561.
What is Cassandra Thielen's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Cassandra Thielen enrolled in Medicare?
Yes. Cassandra Thielen 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 Cassandra Thielen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Thielen reassigns Medicare benefits to Rethwisch Family Chiropractic, P.C. (Omaha, NE). 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 Cassandra Thielen'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 Cassandra Thielen was last updated on October 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Cassandra Thielen, DC · NPI 1154965473
Chiropractor provider in Omaha, Nebraska. Individual provider, active in the CMS NPPES registry since October 30, 2019.
## Identity
- **NPI:** 1154965473 (Entity type: Individual)
- **Enumerated:** October 30, 2019
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 2028 (Nebraska)
- **Sole proprietor:** No
## Practice location
- **Address:** 18010 R PLZ STE 104, Omaha, NE 68135-1923
- **Phone:** (402) 408-6561
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Rethwisch Family Chiropractic, P.C. (NPI 1205942125, Omaha, NE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern College Of Chiropractic, class of 2019
## Record status
- **NPPES last updated:** October 30, 2019
---
Source: [NPI Profile](https://npiprofile.com/npi/1154965473) · Data from the CMS NPPES public registry.