Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Erin Leeder, LSW
Social Worker in Washington, NJ · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1265665012
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Registry record
Entity type Individual (Type 1)
Name Erin Leeder
Credential LSW
Sex Female
Practice address 492 Route 57 West, Family Guidance Center of Warren County, Washington, NJ, 07882
Phone (908) 689-1000
Fax (908) 689-4529
Enumeration date Aug 27, 2009
Last updated in NPPES Aug 27, 2009
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 44SL05463400 (NJ) 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
What is the NPI number for Erin Leeder?
The National Provider Identifier (NPI) for Erin Leeder is 1265665012, a Type 1 (individual) record in the CMS NPPES registry.
Where does Erin Leeder practice?
The practice location on file with NPPES is in Washington, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Usha Bhatt Child & Adolescent Psychiatry Physician · Washington, NJ NPI 1124004494 Karen Sottile Social Worker · Washington, NJ NPI 1538269246 Lauren Sullivan White Social Worker · Washington, NJ NPI 1538211313 Jill Williams Social Worker · Washington, NJ NPI 1881734705 Vivian Deetjen Mental Health Counselor · Washington, NJ NPI 1699802074 Raymond Mero Psychiatry Physician · Washington, NJ NPI 1144344649 Joanna Pintar Mental Health Counselor · Washington, NJ NPI 1659596229 Joyce Bross Social Worker · Washington, NJ NPI 1083893861
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-08-27.