HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

W KIERNAN OCALLAGHAN, MD

INTERNAL MEDICINE

Medical school: GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1971

NPI: 1932294816

Practice Locations (1)

SANSUM CLINIC

215 PESETAS LN

SANTA BARBARA, CA 931101416

8056817800

Source: CMS National Downloadable File, September 2026.