Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Gary L Grilli, DDS
Dentist in South Windsor, CT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1336243948
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Registry record
Entity type Individual (Type 1)
Name Dr. Gary L Grilli
Credential DDS
Sex Male
Practice address 435 Buckland Rd, Medical Arts Building, South Windsor, CT, 06074
Phone (860) 644-1509
Fax (860) 644-1500
Enumeration date Sep 12, 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
What is the NPI number for Gary Grilli?
The National Provider Identifier (NPI) for Gary Grilli is 1336243948, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gary Grilli practice?
The practice location on file with NPPES is in South Windsor, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gary Grilli Dentist · South Windsor, CT NPI 1114094299 Gene Jay Pharmacotherapy Pharmacist · South Windsor, CT NPI 1518026061 Stacy Karpowitz Marriage & Family Therapist · South Windsor, CT NPI 1174686802 Anne Shapiro Clinical Psychologist · South Windsor, CT NPI 1306999586 Meghan Pascucci Social Worker · South Windsor, CT NPI 1235350240 Steven Hershcopf Orthodontics and Dentofacial Orthopedics Dentistry · South Windsor, CT NPI 1396950622 Ramona Singleton Marriage & Family Therapist · South Windsor, CT NPI 1184839789 Barbara Emery Physician Assistant · South Windsor, CT NPI 1154527299
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.