Find a Doctor

Enter a name (first, last, or both) AND city/state combo or ZIP code to view results.

avatar
Member

John Jos Callahan Jr, MD

716.250.9999
3925 SHERIDAN DR STE 100 EXCELSIOR ORTHOPAEDICS
AMHERST, NY 14226
8750 TRANSIT RD
EAST AMHERST, NY 14051
10175 NIAGARA FALLS BLVD STE 2
NIAGARA FALLS, NY 14304
240 RED TAIL RD STE 1
ORCHARD PARK, NY 14127
260 RED TAIL RD
ORCHARD PARK, NY 14127
3925 SHERIDAN DR STE 100 EXCELSIOR ORTHOPAEDICS
AMHERST, NY 14226
3925 SHERIDAN DR STE 100
BUFFALO, NY 14226
8750 TRANSIT RD
EAST AMHERST, NY 14051
10175 NIAGARA FALLS BLVD STE 2
NIAGARA FALLS, NY 14304
240 RED TAIL RD STE 1
ORCHARD PARK, NY 14127
260 RED TAIL RD
ORCHARD PARK, NY 14127
ORTHOPEDIC SURGERY
Member

Dr. John Jos Callahan Jr is a physician specializing in Orthopedic Surgery in Amherst, NY, East Amherst, NY, Niagara Falls, NY, Orchard Park, NY and Buffalo, NY.

Physician data used in Find a Doctor is sourced from the American Medical Association's Physician Professional Data. Formerly known as the AMA Physician Masterfile, this collection was established by the AMA in 1906 in response to the need for a comprehensive biographic record of all US physicians. The AMA Physician Professional Data includes information on both AMA members and non-members and international medical graduates to practice or reside in the United States. Each physician record includes educational and demographic information such as name, address, educational history, practice type and specialty.

Are you Dr. Callahan?

If yes, Sign in above and click the View Your Page button. Then click the Claim Your Page button on your physician page to verify your information and add your practice URL.

Don't have an AMA Sign In account?

Create your free account account and claim your page

No, I am a designated administrator or medical staff professional for my organization looking to verify credentials for Dr. Callahan or in accordance with accreditation standards such as Joint Commission or NCQA. Click here to visit AMA Credentialing Services.

No, I am looking for other physicians specializing in Orthopedic Surgery. Search Find a Doctor for physicians by name and location.

Physicians may access their AMA Physician Self-Inquiry Profile used for credentialing purposes by signing into AMA Profiles HUB.