HealthCareAtlasUSA

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Doctors / IA

JOHN KORTENBER, OD

OPTOMETRY

Medical school: UNIVERSITY OF MISSOURI ST LOUIS - SCHOOL OF OPTOMETRY

Graduated: 2001

NPI: 1821049586

Practice Locations (1)

112 N THORINGTON ST

ALGONA, IA 505112614

5153953937

Source: CMS National Downloadable File, September 2026.

JOHN KORTENBER, OD | HealthCareAtlasUSA