Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Ellen S Thacher, LCSW
Social Worker in Wexford, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740290840
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Registry record
Entity type Individual (Type 1)
Name Ms. Ellen S Thacher
Credential LCSW
Sex Female
Practice address 10475 Perry Hwy, Town Centre, Ste 300, Wexford, PA, 15090
Phone (724) 759-7500
Fax (724) 759-7600
Enumeration date Aug 9, 2006
Last updated in NPPES Mar 6, 2013
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License CW013668 (PA) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW 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 Ellen Thacher?
The National Provider Identifier (NPI) for Ellen Thacher is 1740290840, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ellen Thacher practice?
The practice location on file with NPPES is in Wexford, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Mary-Alice Olson Clinical Social Worker · Wexford, PA NPI 1891759932 North Hills Psychological Associates, Inc. Counselor · Wexford, PA NPI 1285675249 Heidi Stelzig Counselor · Wexford, PA NPI 1831135433 Lisa Aaron Psychologist · Wexford, PA NPI 1821010695 Marc Ranalli Psychologist · Wexford, PA NPI 1730101502 Laura Walsh Counselor · Wexford, PA NPI 1881608362 Stephanie Phillips Clinical Psychologist · Wexford, PA NPI 1366452468 Andrew Nocita Psychologist · Wexford, PA NPI 1124138110
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-03-06.