Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jessica Diiennocrossan, LCSW
Social Worker in Downington, PA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1316358138
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Registry record
Entity type Individual (Type 1)
Name Jessica Diiennocrossan
Credential LCSW
Sex Female
Practice address 516 E. Lancaster Avenue, Downington, PA, 19335
Phone (610) 363-5500
Enumeration date May 14, 2014
Last updated in NPPES Jul 30, 2020
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License SW128685 (PA) Secondary
104100000X Social Worker Behavioral Health & Social Service Providers · License CW020485 (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 Jessica Diiennocrossan?
The National Provider Identifier (NPI) for Jessica Diiennocrossan is 1316358138, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jessica Diiennocrossan practice?
The practice location on file with NPPES is in Downington, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-30.