Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sharon Hallahan
Physical Therapist in Old Lyme, CT · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184819369
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Registry record
Entity type Individual (Type 1)
Name Sharon Hallahan
Sex Female
Practice address 6 Davis Rd W, Old Lyme, CT, 06371
Phone (860) 434-9155
Enumeration date Sep 11, 2007
Last updated in NPPES Sep 11, 2007
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 4770 (CT) Primary
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 Sharon Hallahan practice?
The practice location on file with NPPES is in Old Lyme, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sharon Hallahan?
The National Provider Identifier (NPI) for Sharon Hallahan is 1184819369, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-11.