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

KATRINA LOUISE JOHN, MD

EMERGENCY MEDICINE

Graduated: 2004

NPI: 1255569786

Practice Locations (1)

EMERGENCY CARE DYNAMICS INC

3434 MIDWAY DR, SUITE 1002

SAN DIEGO, CA 921104924

6192256200

Source: CMS National Downloadable File, September 2026.

KATRINA JOHN, MD | HealthCareAtlasUSA