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

KAREN JOHNSTON, MD

PATHOLOGY

Graduated: 1988

Offers telehealth

NPI: 1326518325

Practice Locations (1)

WOUND MD PC

1100 TROUSDALE DR

BURLINGAME, CA 940103207

6506929674

Source: CMS National Downloadable File, September 2026.

KAREN JOHNSTON, MD | HealthCareAtlasUSA