DR. GRANT JAMES BUCK D.C.
NPI 1184625469
Chiropractor in Cedar Springs, MI
About Dr. Grant James Buck D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRANT JAMES BUCK D.C. (NPI 1184625469) is an individual chiropractor in Cedar Springs, Michigan, licensed in Michigan (GB007557) and active in the NPI registry since August 2005. He is a graduate of Palmer College Chiropractic - Davenport (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Grant James Buck D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Grant Buck reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cedar Springs, MI 49319
- Reassigned Medicare billing, Michigan enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Grant Buck's NPI number?
The NPI number for Grant Buck is 1184625469. It was assigned to this individual provider in the NPPES registry on August 9, 2005.
Where is Grant Buck located?
Grant Buck practices at 151 S Main Suite 3, Cedar Springs, MI 49319. The listed phone number is (616) 696-2663.
What is Grant Buck's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Grant Buck enrolled in Medicare?
Yes. Grant Buck is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Grant Buck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grant Buck reassigns Medicare benefits to Cedar Springs Family Chiropractic Inc. (Cedar Springs, MI). The 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 Grant Buck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grant Buck accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Grant Buck 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 Grant Buck was last updated on April 1, 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.
# Dr. Grant James Buck, D.C. · NPI 1184625469
Chiropractor provider in Cedar Springs, Michigan. Individual provider, active in the CMS NPPES registry since August 9, 2005.
## Identity
- **NPI:** 1184625469 (Entity type: Individual)
- **Enumerated:** August 9, 2005
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** GB007557 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 151 S MAIN, SUITE 3, Cedar Springs, MI 49319-8950
- **Phone:** (616) 696-2663 · **Fax:** (616) 696-2663
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Cedar Springs Family Chiropractic Inc. (NPI 1669502654, Cedar Springs, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 1997
## Record status
- **NPPES last updated:** April 1, 2008
- **Other identifiers:** Medicare PIN M83400001 (MI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1184625469) · Data from the CMS NPPES public registry.