Suggest an Edit Name* Categories* Doctor Hospital Pharmacy Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 09:00 am — 03:00 pm Company description Dr. Joseph Anthony Callahan located in the city of Palo Alto, state California. The legal address of the Doctor 955 Hamilton Ave. Directions to the Doctor Dr. Joseph Anthony Callahan can be found on our interactive map. Ask your questions by calling 4083836602 on workdays.NPI number: Data not providedProvider's gender: Data not providedPractice names: Data not providedBoard certifications: American Board of Anesthesiology Certification in Anesthesiology Your comments (not for publishing) * — Required information Dr. Joseph Anthony Callahan - Palo Alto ← View details 955 Hamilton Ave, California, Palo Alto, 94301, Palo Alto, California 94301 4083836602