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 / MI

SHAWN MAREIN, DO

PULMONARY DISEASE

Graduated: 2017

NPI: 1265964878

Practice Locations (2)

LAKELAND MEDICAL PRACTICES

1234 NAPIER AVE

SAINT JOSEPH, MI 490852112

2699838300

LAKELAND HOSPITALS AT NILES AND ST JOSEPH INC

1234 NAPIER AVE, COREWELL HEALTH LAKELAND HOSPITALS

SAINT JOSEPH, MI 490852112

2699838300

Source: CMS National Downloadable File, September 2026.

SHAWN MAREIN, DO | HealthCareAtlasUSA