Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Joseph A Mascaro, DC
Chiropractor in Groton, CT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1770503492
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Registry record
Entity type Individual (Type 1)
Name Dr. Joseph A Mascaro
Credential DC
Sex Male
Practice address 565 Long Hill Rd, Groton, CT, 06340
Phone (860) 448-2225
Fax (860) 446-0784
Enumeration date Jul 19, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC 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 Joseph Mascaro?
The National Provider Identifier (NPI) for Joseph Mascaro is 1770503492, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Mascaro practice?
The practice location on file with NPPES is in Groton, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.