This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / OH

TIMOTHY CALLAHAN, PSY

CLINICAL PSYCHOLOGIST

Medical school: WRIGHT STATE UNIVERSITY BOONSHOFT SCHOOL OF MEDICINE

Graduated: 1989

NPI: 1861850026

Practice Locations (1)

LAYH AND ASSOCIATES INC

416 XENIA AVE

YELLOW SPRINGS, OH 453871836

9377679171

Source: CMS National Downloadable File, September 2026.

TIMOTHY CALLAHAN, PSY | HealthCareAtlasUSA