HealthCareAtlasUSA

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

WILLIAM G TIMMER, DO

EMERGENCY MEDICINE

Graduated: 2019

NPI: 1174086128

Practice Locations (1)

MARIETTA MEMORIAL HOSPITAL

401 MATTHEW ST

MARIETTA, OH 457501635

7403741400

Source: CMS National Downloadable File, September 2026.

WILLIAM TIMMER, DO | HealthCareAtlasUSA