HealthCareAtlasUSA

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Doctors / NY

ALEXANDER MICHAEL JOHNSTON, MD

GENERAL SURGERY

Graduated: 2013

Also: CRITICAL CARE (INTENSIVISTS)

NPI: 1356785604

Practice Locations (2)

GUTHRIE MEDICAL GROUP PC

1 GUTHRIE DR

CORNING, NY 148303696

6079737200

GUTHRIE MEDICAL GROUP PC

1 GUTHRIE SQ

SAYRE, PA 188401625

5708873192

Source: CMS National Downloadable File, September 2026.

ALEXANDER JOHNSTON, MD | HealthCareAtlasUSA