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 / WI
OPTOMETRY
Medical school: ILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated: 2008
NPI: 1962651364
THOMAS K. MARSH, ODSC
1280 N SUMMIT AVE
OCONOMOWOC, WI 530664459
2625673214
Source: CMS National Downloadable File, September 2026.