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CHRISTOPHER GERALD CALLAHAN LCSW, CASAC
NPI 1316420714
Social Worker - Clinical in Port Jefferson, NY

Active since September 11, 2018
1000 MAIN ST STE 3, PORT JEFFERSON, NY 11777(631) 743-5659 Get Directions Write a Review

NPPES record last updated: September 14, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Christopher Gerald Callahan Lcsw, Casac NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER GERALD CALLAHAN LCSW, CASAC (NPI 1316420714) is an individual clinical provider in Port Jefferson, New York, licensed in New York (096108) and active in the NPI registry since September 2018.

NPPES Registry Identity

NPI1316420714
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameCHRISTOPHER GERALD CALLAHANCredential: LCSW, CASAC
Location Address1000 MAIN ST STE 3Port Jefferson, NY 11777-2250
Mailing Address240 Sagamore Hills Dr Unit 240Port Jefferson Station, NY 11776-3528 · (631) 379-3137
Phone(631) 743-5659
Sole ProprietorYes
Enumeration DateSeptember 11, 2018
Last NPPES UpdateSeptember 14, 2023
NPPES CertifiedSeptember 14, 2023
✔ NPI 1316420714 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NY · 096108
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 30721 (NY)
1000 MAIN ST STE 3, Port Jefferson, NY 11777
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Other Identifiers 2

Other30721NY · Casac
Other096108NY · Lcsw

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Callahan's NPI number?

The NPI number for Christopher Callahan is 1316420714. It was assigned to this individual provider in the NPPES registry on September 11, 2018.

Where is Christopher Callahan located?

Christopher Callahan practices at 1000 Main St Ste 3, Port Jefferson, NY 11777. The listed phone number is (631) 743-5659.

What is Christopher Callahan's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Christopher Callahan was last updated on September 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.