HealthCareAtlasUSA

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Doctors / DE

KATHRYN A GRINNEN, DO

INTERNAL MEDICINE

Medical school: LAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE

Graduated: 2006

Offers telehealth

NPI: 1710102124

Practice Locations (1)

CORE CONCIERGE PRIMARY CARE AND WELLNESS LLC

19330 LIGHTHOUSE PLAZA BLVD, UNIT 1

REHOBOTH BEACH, DE 199716161

3025858555

Source: CMS National Downloadable File, September 2026.

KATHRYN GRINNEN, DO | HealthCareAtlasUSA