Williamson Chiropractic PLC
NPI 1659774396 · Chiropractor · Portland, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Williamson Chiropractic PLC is a Chiropractor organization in Portland, MI (NPI 1659774396).
Provider details
- NPI number
- 1659774396
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Jason Williamson, Chiropractor(517) 647-7585
- License
- 2301009498 (MI)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-10-08
- Last updated
- 2014-10-08
Frequently asked questions
- What is Williamson Chiropractic PLC's NPI number?
- Williamson Chiropractic PLC's National Provider Identifier (NPI) is 1659774396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Williamson Chiropractic PLC?
- Williamson Chiropractic PLC is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Williamson Chiropractic PLC located?
- Williamson Chiropractic PLC's practice location on file with NPPES is 912 E Grand River Ave, Portland, MI 48875-1664.
- What is Williamson Chiropractic PLC's phone number?
- The practice phone number listed in the NPPES registry for Williamson Chiropractic PLC is (517) 647-7585.
- Does Williamson Chiropractic PLC accept Medicare?
- Williamson Chiropractic PLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Williamson Chiropractic PLC?
- The authorized official listed on Williamson Chiropractic PLC's NPPES record is Jason Williamson, Chiropractor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Williamson Chiropractic PLC's NPI active?
- Yes — Williamson Chiropractic PLC's NPI (1659774396) is active in the NPPES registry as of the last update on 2014-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.