About Gregory J. Callahan, BOCO
Gregory J. Callahan, BOCO is. Mr. Gregory J. Callahan has 18 years of experience.
Education
Gregory J. Callahan, BOCO earned a degree of a Board of Certification Orthotist.
Licenses
Gregory J. Callahan, BOCO has been registered with the National Provider Identifier database since October 22, 2007, and his NPI number is 1497944946.
Book an Appointment
To schedule an appointment with Mr. Gregory J. Callahan, please call (410) 605-7000.