Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen Greeley, RPT

Physical Therapist in Billerica, MA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1306026018

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Registry record

Entity type Individual (Type 1)

Name Karen Greeley

Credential RPT

Sex Female

Practice address 35 River St, Billerica, MA, 01821

Phone (978) 436-9405

Fax (978) 436-9418

Enumeration date Nov 9, 2007

Last updated in NPPES Nov 9, 2007

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2042 (MA) 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.

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Frequently asked questions

What is the NPI number for Karen Greeley?

The National Provider Identifier (NPI) for Karen Greeley is 1306026018, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Greeley practice?

The practice location on file with NPPES is in Billerica, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-09.