Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Warren Garrott, DDS
Dentist in Hagerstown, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275560591
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Registry record
Entity type Individual (Type 1)
Name Dr. John Warren Garrott
Credential DDS
Sex Male
Practice address 802 Linwood Rd, Hagerstown, MD, 21740
Phone (301) 797-6571
Enumeration date Jun 26, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
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
Where does John Garrott practice?
The practice location on file with NPPES is in Hagerstown, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Garrott?
The National Provider Identifier (NPI) for John Garrott is 1275560591, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.