William John Marks

MD | Epilepsy | 33+ years Exp


  300 Pasteur Dr, Stanford
     California, 94305-2200
  650-723-4000    Maps & Directions
William John Marks is a Stanford, California based neurologist with 33 years of experience in Epilepsy Treatment. He completed his graduation from Johns Hopkins University School Of Medicine in 1991. He is also affiliated with hospitals like He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of William John Marks is A51191 for Neurology in California. His current practice location is 300 Pasteur Dr, Stanford. Patients can reach him at 650-723-4000. William John Marks is MD in Epilepsy Treatment and his NPI number (Unique professional ID assigned by NPPES) is 1053341693.
William John Marks is focused on the diagnosis and treatment of patients with epilepsy, including new-onset, medically refractory epilepsy, psychogenic nonepileptic seizures, and epilepsy in special populations (the elderly, women, patients with co-morbidities). Epilepsy is a multidisciplinary field that provides comprehensive care of the patient.
Complete Profile:
William John Marks speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.
Name: William John Marks
Specialization: Epilepsy Treatment
Gender:Male
Credentials: MD
Experience: 33+ years
Medical School Attended:Johns Hopkins University School Of Medicine
Graduation Year:1991
Accepts Medicare Assignment:Yes
Practice Address:300 Pasteur Dr, Stanford,
California, 94305-2200
Phone:650-723-4000
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
PAC ID: 9133270150
Enrollment ID: I20090701000577
NPI Number: 1053341693
NPI Enumeration Date: 03 Jul, 2006
NPI Last Update On: 08 Nov, 2023

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for William John Marks are as mentioned below.
License NumberSpecializationStateStatus
A51191Neurology CaliforniaPrimary
A51191Epilepsy Treatment CaliforniaSecondary
A51191Clinical Neurophysiology CaliforniaSecondary
Hospital Affiliation:
Surgeons are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) State Hospital Type
(050441)Stanford, CAAcute Care Hospital
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name with which William John Marks is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Stanford Health Care (6709797491)2316
Other Medical Identifiers:
Other legacy medical identifiers associated with William John Marks such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
00A511910MedicaidCalifornia
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: William John Marks
300 Pasteur Dr,
Stanford, California
Zip: 94305-2200
Phone Number: 650-723-4000
Patients can reach William John Marks at 300 Pasteur Dr, Stanford, California or can call to book an appointment on 650-723-4000.
Comments/ Reviews:

*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 October, 2024.