HealthCareAtlasUSA

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Doctors / ID

JOHN W MERCER JR., MD

OBSTETRICS/GYNECOLOGY

Graduated: 1997

NPI: 1205988540

Practice Locations (4)

SAINT ALPHONSUS REGIONAL MEDICAL CENTER INC

3025 W CHERRY LN

MERIDIAN, ID 836428531

SAINT ALPHONSUS REGIONAL MEDICAL CENTER INC

4424 E FLAMINGO AVE

NAMPA, ID 836879289

SAINT ALPHONSUS REGIONAL MEDICAL CENTER INC

4424 E FLAMINGO AVE

NAMPA, ID 836879300

MINDEN PHYSICIAN PRACTICES LLC

431 HOMER RD

MINDEN, LA 710552933

3183778855

Source: CMS National Downloadable File, September 2026.

JOHN MERCER, MD | HealthCareAtlasUSA