DR. GARY MICHAEL GRIMSLEY D.C.
NPI 1457490708
Chiropractor in Lexington Park, MD
About Dr. Gary Michael Grimsley D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY MICHAEL GRIMSLEY D.C. (NPI 1457490708) is an individual chiropractor in Lexington Park, Maryland, licensed in Maryland (1525) and active in the NPI registry since February 2007. He is a graduate of Logan College Of Chiropractic (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gary Michael Grimsley D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gary Grimsley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lexington Park, MD 20653
- Reassigned Medicare billing, Maryland enrollment
- 4 clinicians in this Medicare group
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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEXINGTON PARK, MD 20653
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 Gary Grimsley's NPI number?
The NPI number for Gary Grimsley is 1457490708. It was assigned to this individual provider in the NPPES registry on February 5, 2007.
Where is Gary Grimsley located?
Gary Grimsley practices at 22780 Three Notch Rd, Lexington Park, MD 20653. The listed phone number is (301) 737-0662.
What is Gary Grimsley's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Gary Grimsley enrolled in Medicare?
Yes. Gary Grimsley is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gary Grimsley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Grimsley reassigns Medicare benefits to Green Chiropractic & Wellness (Lexington Park, MD). 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 Gary Grimsley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gary Grimsley was last updated on October 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.
# Dr. Gary Michael Grimsley, D.C. · NPI 1457490708
Chiropractor provider in Lexington Park, Maryland. Individual provider, active in the CMS NPPES registry since February 5, 2007.
## Identity
- **NPI:** 1457490708 (Entity type: Individual)
- **Enumerated:** February 5, 2007
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 1525 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22780 THREE NOTCH RD, Lexington Park, MD 20653-1538
- **Phone:** (301) 737-0662 · **Fax:** (301) 737-0675
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Green Chiropractic & Wellness (NPI 1760083885, Lexington Park, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Logan College Of Chiropractic, class of 1988
## Record status
- **NPPES last updated:** October 10, 2011
- **Other identifiers:** Other 147743500 (MD); Medicare UPIN U20683 (MD); Other 4794219002 (MD); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1457490708) · Data from the CMS NPPES public registry.