WILLIAMSON CHIROPRACTIC PLC
NPI 1659774396
Chiropractor in Portland, MI

Q: What is Williamson Chiropractic Plc's NPI number?

The NPI number for Williamson Chiropractic Plc is 1659774396. It was assigned to this organization in the NPPES registry on October 8, 2014.

Q: What is Williamson Chiropractic Plc's specialty?

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

Active since October 08, 2014

912 E GRAND RIVER AVE, PORTLAND, MI 48875(517) 647-7585(517) 647-2666 Get Directions Write a Review

NPPES record last updated: October 8, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Williamson Chiropractic Plc NPPES

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

WILLIAMSON CHIROPRACTIC PLC (NPI 1659774396) is a healthcare organization registered as a chiropractor in Portland, Michigan and active in the NPI registry since October 2014. The organization lists Jason Williamson, Chiropractor, as its authorized official.

NPPES Registry Identity

NPI1659774396

Entity TypeOrganization

Primary Taxonomy111N00000X

Legal Business NameWILLIAMSON CHIROPRACTIC PLC

Location Address912 E GRAND RIVER AVEPortland, MI 48875-1664

Mailing Address912 E Grand River AvePortland, MI 48875-1664 · (517) 647-7585 · Fax (517) 647-2666

Phone(517) 647-7585

Fax(517) 647-2666

Organization SubpartNo

Authorized OfficialJason WilliamsonChiropractor · (517) 647-7585

Enumeration DateOctober 8, 2014

✔ NPI 1659774396 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in MI · 2301009498

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.

912 E GRAND RIVER AVE, Portland, MI 48875

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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

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Williamson Chiropractic Plc 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 Williamson Chiropractic Plc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Jason Williamson, DC

Chiropractic

NPI 1558512087

912 E GRAND RIVER AVE
Portland, MI 48875

(517) 647-7585

✔ 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 Williamson Chiropractic Plc's NPI number?

The NPI number for Williamson Chiropractic Plc is 1659774396. It was assigned to this organization in the NPPES registry on October 8, 2014.

Where is Williamson Chiropractic Plc located?

Williamson Chiropractic Plc is located at 912 E Grand River Ave, Portland, MI 48875. The listed phone number is (517) 647-7585.

What is Williamson Chiropractic Plc's specialty?

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

Is Williamson Chiropractic Plc enrolled in Medicare?

Yes. Williamson Chiropractic Plc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Williamson Chiropractic Plc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to Williamson Chiropractic Plc. 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.

What insurance does Williamson Chiropractic Plc accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Williamson Chiropractic Plc 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 Williamson Chiropractic Plc was last updated on October 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.