XEPHYR M DAY DC LLC
NPI 1265671978
Chiropractor in Wentzville, MO
About Xephyr M Day Dc Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
XEPHYR M DAY DC LLC (NPI 1265671978) is a healthcare organization registered as a chiropractor in Wentzville, Missouri and active in the NPI registry since February 2009. The organization lists Xephyr Day, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Xephyr M Day Dc Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Xephyr M Day Dc LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Xephyr M Day Dc LLC's NPI number?
The NPI number for Xephyr M Day Dc LLC is 1265671978. It was assigned to this organization in the NPPES registry on February 19, 2009.
Where is Xephyr M Day Dc LLC located?
Xephyr M Day Dc LLC is located at 1023 Main Plaza Dr, Wentzville, MO 63385. The listed phone number is (636) 639-8944.
What is Xephyr M Day Dc LLC's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Xephyr M Day Dc LLC enrolled in Medicare?
Yes. Xephyr M Day Dc LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Xephyr M Day Dc LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to Xephyr M Day Dc LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Xephyr M Day Dc LLC was last updated on March 2, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Xephyr M Day Dc Llc · NPI 1265671978
Chiropractor organization in Wentzville, Missouri. Organization record, active in the CMS NPPES registry since February 19, 2009.
## Identity
- **NPI:** 1265671978 (Entity type: Organization)
- **Enumerated:** February 19, 2009
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **Organization subpart:** No
- **Authorized official:** Xephyr Day, OWNER
## Practice location
- **Address:** 1023 MAIN PLAZA DR, Wentzville, MO 63385-1170
- **Phone:** (636) 639-8944
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Chiropractic) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 2, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1265671978) · Data from the CMS NPPES public registry.