HealthCareAtlasUSA

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Doctors / MD

MARIANNE COWLEY, MD

OPHTHALMOLOGY

Graduated: 1982

NPI: 1811964448

Practice Locations (2)

JOHNS HOPKINS UNIVERSITY

161 THOMAS JOHNSON DR, SUITE 275

FREDERICK, MD 217024314

3016209268

JOHNS HOPKINS UNIVERSITY

6201 GREENLEIGH AVE

MIDDLE RIVER, MD 212202004

Source: CMS National Downloadable File, September 2026.

MARIANNE COWLEY, MD | HealthCareAtlasUSA