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

WILLIAM J MARKS, MD

NEUROLOGY

Medical school: JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1991

NPI: 1053341693

Practice Locations (1)

STANFORD HEALTH CARE

300 PASTEUR DR

STANFORD, CA 943052200

6507234000

Source: CMS National Downloadable File, September 2026.

WILLIAM MARKS, MD | HealthCareAtlasUSA