Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen Ann Mahon, PT
Physical Therapist in Norwood, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346421336
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Registry record
Entity type Individual (Type 1)
Name Karen Ann Mahon
Credential PT
Sex Female
Practice address 101 Vanderbilt Ave, Norwood, MA, 02062
Phone (508) 528-1286
Enumeration date Nov 18, 2007
Last updated in NPPES Apr 11, 2014
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 8302 (MA) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT 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 Karen Mahon?
The National Provider Identifier (NPI) for Karen Mahon is 1346421336, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karen Mahon practice?
The practice location on file with NPPES is in Norwood, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Amanda Redler Speech-Language Pathologist · Norwood, MA NPI 1376681940 Sara Davey Mental Health Counselor · Norwood, MA NPI 1396065280 Jessica Doyle Speech-Language Pathologist · Norwood, MA NPI 1043531262 Ann Sherman Clinical Social Worker · Norwood, MA NPI 1881994366 Jayanthi Iyengar Developmental Therapist · Norwood, MA NPI 1447537493 Katelyn Fox Occupational Therapist · Norwood, MA NPI 1952650616 Kelly Rezzuti Occupational Therapist · Norwood, MA NPI 1124467121 Tara Galvin Speech-Language Pathologist · Norwood, MA NPI 1558798959
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-04-11.