WILLIAM M. THOMAS, D.C.
NPI 1346429131
Chiropractor in La Mirada, CA
About William M. Thomas, D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM M. THOMAS, D.C. (NPI 1346429131) is a healthcare organization registered as a chiropractor in La Mirada, California and active in the NPI registry since October 2007. The organization lists William M. Thomas, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William M. Thomas, D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to William M. Thomas, D.C., 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 William M. Thomas, D.C., Inc., A Chirorpactic Corporation's NPI number?
The NPI number for William M. Thomas, D.C., Inc., A Chirorpactic Corporation is 1346429131. It was assigned to this organization in the NPPES registry on October 29, 2007. The provider is doing business as William M. Thomas, D.C..
Where is William M. Thomas, D.C., Inc., A Chirorpactic Corporation located?
William M. Thomas, D.C., Inc., A Chirorpactic Corporation is located at 15763 Imperial Hwy, La Mirada, CA 90638. The listed phone number is (562) 943-4132.
What is William M. Thomas, D.C., Inc., A Chirorpactic Corporation's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is William M. Thomas, D.C., Inc., A Chirorpactic Corporation enrolled in Medicare?
Yes. William M. Thomas, D.C., Inc., A Chirorpactic Corporation is registered in the Medicare PECOS enrollment system.
When is William M. Thomas, D.C., Inc., A Chirorpactic Corporation's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through William M. Thomas, D.C., Inc., A Chirorpactic Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to William M. Thomas, D.C., Inc., A Chirorpactic Corporation. 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 William M. Thomas, D.C., Inc., A Chirorpactic Corporation was last updated on May 29, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# William M. Thomas, D.c. · NPI 1346429131
Chiropractor organization in La Mirada, California. Organization record, active in the CMS NPPES registry since October 29, 2007.
## Identity
- **NPI:** 1346429131 (Entity type: Organization)
- **Enumerated:** October 29, 2007
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **Legal business name:** William M. Thomas, D.c., Inc., A Chirorpactic Corporation
- **Organization subpart:** No
- **Authorized official:** William Thomas, PRESIDENT
## Practice location
- **Address:** 15763 IMPERIAL HWY, La Mirada, CA 90638-2510
- **Phone:** (562) 943-4132 · **Fax:** (562) 304-2917
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **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:** May 29, 2008
- **Other identifiers:** Medicare UPIN W15440 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1346429131) · Data from the CMS NPPES public registry.