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Doctors / MT

COURTNEY CERTAIN, DO

INTERNAL MEDICINE

Graduated: 2020

NPI: 1144761305

Practice Locations (2)

COGENT HEALTHCARE OF MONTANA P C

1233 N 30TH ST

BILLINGS, MT 591010127

4066577000

COGENT HEALTHCARE OF MONTANA P C

1101 26TH ST S

GREAT FALLS, MT 594055161

4064554690

Source: CMS National Downloadable File, September 2026.

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