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 / IL

LYNN SEWESTER UNDERWOOD

MENTAL HEALTH COUNSELOR

Graduated: 2015

NPI: 1700353679

Practice Locations (2)

611 N FILLMORE ST

EDWARDSVILLE, IL 620251219

791 WALL ST, SUITE 100

O FALLON, IL 622692087

6185141154

Source: CMS National Downloadable File, September 2026.

LYNN UNDERWOOD | HealthCareAtlasUSA