Dr. Thomas R. Callahan has been practicing medicine for 50 years. Dr. Callahan graduated from the Med Fak Der Univ Heidelberg, Heidelberg, Baden Wurttemberg in 1964. He practices medicine in Fresno, CA and specializes in Internal Medicine. Dr. Callahan is affiliated with Community Regional Medical Center.
Years in Practice: 50 Years
Languages Spoken: English
Medical School: Med Fak Der Univ Heidelberg, Heidelberg, Baden Wurttemberg
Graduation Date: 1964
Hospital Affiliations: Community Regional Medical Center
Specialties: Internal Medicine