Christopher Gerald Callahan

LCSW, CASAC | Counselor


  1000 Main St Ste 3, Port Jefferson
     New York, 11777-2250
  631-743-5659    Maps & Directions
Christopher Gerald Callahan is a Port Jefferson, New York based counselor who is specialized as Counselor. Active license number of Christopher Gerald Callahan is 096108 for Social Worker in New York. His current practice location is 1000 Main St Ste 3, Port Jefferson. Patients can book an appointment with him at 631-743-5659.
Christopher Gerald Callahan is a trained and licensed mental health professional who helps individuals, couples, or groups manage and overcome emotional, psychological, behavioral, or relationship challenges. He works with people dealing with anxiety, depression, mood disorders, trauma, post-traumatic stress disorder (PTSD), grief and loss etc. He support his clients by understanding their thoughts, emotions, and behaviors.
Complete Profile:
Christopher Gerald Callahan speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Christopher Gerald Callahan
Specialization: Counselor
Gender:Male
Credentials: LCSW, CASAC
Accepts Medicare Assignment:No
Practice Address:1000 Main St Ste 3, Port Jefferson,
New York, 11777-2250
Phone:631-743-5659
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1316420714
NPI Enumeration Date: 11 Sep, 2018
NPI Last Update On: 14 Sep, 2023

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Christopher Gerald Callahan are as mentioned below.
License NumberSpecializationStateStatus
096108Social Worker New YorkPrimary
30721Addiction (Substance Use Disorder) Counselor New YorkSecondary
Other Medical Identifiers:
Other legacy medical identifiers associated with Christopher Gerald Callahan such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
30721OtherNew YorkCASAC
096108OtherNew YorkLCSW
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 240 Sagamore Hills Dr Unit 240,
Port Jefferson Station, New York
Zip: 11776-3528
Phone Number: 631-379-3137
Patients can reach Christopher Gerald Callahan at 1000 Main St Ste 3, Port Jefferson, New York or can call to book an appointment on 631-743-5659.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 July, 2025.

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