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
OPTOMETRY
Medical school: OHIO STATE UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated: 1978
NPI: 1770576514
DR DAVID A ERWIN AND ASSOCIATES INC
535 CHESTNUT ST
COSHOCTON, OH 438121210
7406222270
Source: CMS National Downloadable File, September 2026.