Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Gary Michael Grimsley, D.C.
Chiropractor in Lexington Park, MD · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457490708
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Registry record
Entity type Individual (Type 1)
Name Dr. Gary Michael Grimsley
Credential D.C.
Sex Male
Practice address 22780 Three Notch Rd, Lexington Park, MD, 20653
Phone (301) 737-0662
Fax (301) 737-0675
Enumeration date Feb 5, 2007
Last updated in NPPES Oct 10, 2011
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 147743500 | Other | MD | FEDERAL WORKMAN'S COMP. |
| 427879 | Other | MD | ALLIANCE |
| 5870444 | Other | MD | AETNA PPO |
| 2174552 | Other | MD | AETNA |
| LK96GR | Other | MD | BLUECROSS MARYLAND |
| 4794219002 | Other | MD | CIGNA PPO |
| 4794219003 | Other | MD | CIGNA HMO |
| T289 | Other | MD | BLUECROSS FEDERAL |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Gary Grimsley?
The National Provider Identifier (NPI) for Gary Grimsley is 1457490708, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gary Grimsley practice?
The practice location on file with NPPES is in Lexington Park, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Charles Hester Chiropractor · Lexington Park, MD NPI 1912046129 John Hanson Acupuncturist · Lexington Park, MD NPI 1164540308 Grimsley Chiropractic Services, P.C. Chiropractor · Lexington Park, MD NPI 1487877643 Green Chiropractic & Wellness Chiropractor · Lexington Park, MD NPI 1760083885 Eileen Erwin Massage Therapist · Lexington Park, MD NPI 1609575497 Synergistic Healthcare, LLC Family Nurse Practitioner · Lexington Park, MD NPI 1467228395 Miranda Jones Acupuncturist · Lexington Park, MD NPI 1679439772
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-10.