About Christopher G. Callahan, CASAC
Christopher Gerald Callahan, CASAC is an addiction / substance abuse counselor. Mr. Christopher G. Callahan has 7 years of experience in addiction / substance abuse counseling.
Education
Christopher G. Callahan, CASAC earned a degree of a Certified Alcohol and Substance Abuse Counselor.
Licenses
Christopher G. Callahan, CASAC has been registered with the National Provider Identifier database since September 11, 2018, and his NPI number is 1316420714.
Book an Appointment
To schedule an appointment with Mr. Christopher G. Callahan, please call (631) 422-7676.