HealthCareAtlasUSA

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Doctors / NY

MARY M JOHNSTON, DC

CHIROPRACTIC

Medical school: NEW YORK CHIROPRACTIC COLLEGE

Graduated: 1988

NPI: 1902965395

Practice Locations (1)

222 MERRICK RD

OCEANSIDE, NY 115721429

5166233195

Source: CMS National Downloadable File, September 2026.

MARY JOHNSTON, DC | HealthCareAtlasUSA