THORNOCK CHIROPRACTIC, PLLC
NPI 1720386048
Chiropractor in Sunnyside, WA

Active since March 10, 2011
1101 TACOMA AVE, SUNNYSIDE, WA 98944(509) 839-5656(509) 839-5682 Get Directions Write a Review

NPPES record last updated: March 10, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thornock Chiropractic, Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THORNOCK CHIROPRACTIC, PLLC (NPI 1720386048) is a healthcare organization registered as a chiropractor in Sunnyside, Washington and active in the NPI registry since March 2011. The organization lists Chad M Thornock, Chiropractor, as its authorized official.

NPPES Registry Identity

NPI1720386048
Entity TypeOrganization
Primary Taxonomy111N00000X
Legal Business NameTHORNOCK CHIROPRACTIC, PLLC
Location Address1101 TACOMA AVESunnyside, WA 98944-2264
Mailing Address1101 Tacoma AveSunnyside, WA 98944-2264 · (509) 839-5656 · Fax (509) 839-5682
Fax(509) 839-5682
Organization SubpartNo
Authorized OfficialChad M ThornockChiropractor · (509) 839-5656
Enumeration DateMarch 10, 2011
✔ NPI 1720386048 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in WA · CH00034831
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
1101 TACOMA AVE, Sunnyside, WA 98944

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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)

Thornock Chiropractic, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

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.

StateEnrollment IDDue date
StateWashingtonEnrollment IDO20110520000127Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Thornock Chiropractic, PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Chiropractic
NPI 1861672982
1101 TACOMA AVE
Sunnyside, WA 98944
(509) 839-5656
✔ Accepts MedicareSame address
Chiropractic
NPI 1326586017
1101 TACOMA AVE
Sunnyside, WA 98944
(509) 839-5656
✔ Accepts MedicareSame address

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 Thornock Chiropractic, PLLC's NPI number?

The NPI number for Thornock Chiropractic, PLLC is 1720386048. It was assigned to this organization in the NPPES registry on March 10, 2011.

Where is Thornock Chiropractic, PLLC located?

Thornock Chiropractic, PLLC is located at 1101 Tacoma Ave, Sunnyside, WA 98944. The listed phone number is (509) 839-5656.

What is Thornock Chiropractic, PLLC's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Thornock Chiropractic, PLLC enrolled in Medicare?

Yes. Thornock Chiropractic, PLLC is registered in the Medicare PECOS enrollment system.

When is Thornock Chiropractic, PLLC'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 (Washington, Clinic/Group Practice) is due for revalidation by November 30, 2026. 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 Thornock Chiropractic, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Chiropractic, reassign their Medicare billing to Thornock Chiropractic, PLLC. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Thornock Chiropractic, PLLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Thornock Chiropractic, PLLC 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 Thornock Chiropractic, PLLC was last updated on March 10, 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.