HealthCareAtlasUSA

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Doctors / MO

SHANNON JOHNSTON, NP

NURSE PRACTITIONER

Graduated: 2014

NPI: 1902212608

Practice Locations (2)

MERCY CLINIC EAST COMMUNITIES

1375 N HWY DR

FENTON, MO 630261929

3147294676

HOLON HEALTH GREAT LAKES PC

400 N TUCKER BLVD

SAINT LOUIS, MO 631011106

8774656650

Source: CMS National Downloadable File, September 2026.

SHANNON JOHNSTON, NP | HealthCareAtlasUSA