Dr. John Sum, MD

NeurologyMaleAge 59

Dr. John Sum, MD is a Neurology Specialist in San Jose, CA and has over 34 years of experience in the medical field. Dr. Sum has more experience with Epilepsy than other specialists in his area. He graduated from Stanford University medical school in 1987. He is affiliated with Santa Clara Valley Medical Center. He is accepting new patients. Be sure to call ahead with Dr. Sum to book an appointment.

Dr. Sum

Santa Clara Vly Medical Center Neu

751 S Bascom Ave San Jose, CA 95128
Accepting new patients

Compare with other Neurology Specialists

Compare Dr. Sum with our nearby Neurology Specialists at Good Samaritan Hospital.

Make an appointment at Good Samaritan Hospital today at (408) 692-3091.

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About Me


Dr. John Sum, MD is a Neurology Specialist in San Jose, CA and has over 34 years of experience in the medical field. Dr. Sum has more experience with...Read more


  • Neurology
  • Pediatric Neurology

Board Certifications

  • Neurology with Special Qualification in Child Neurology


Mass Gen Hospital
Residency Hospital
Stanford University Hospital
Residency Hospital
Stanford University
Medical School


  • English
  • French


Frequently Asked Questions

Is Dr. John Sum, MD accepting new patients?

Dr. John Sum, MD generally accepts new patients on Healthgrades. You can see Dr. Sum's profile to make an appointment.

Does Dr. John Sum, MD accept my insurance?

Use the Healthgrades insurance check to verify if Dr. Sum accepts your insurance.

What are Dr. John Sum, MD's top areas of care?

Dr. Sum frequently treats Epilepsy. See all practice areas where Dr. Sum specializes.

Where is Dr. John Sum, MD's office located?

Dr. Sum's office is located at 751 S Bascom Ave, San Jose, CA 95128. Find other locations and directions on Healthgrades.

What languages does Dr. John Sum, MD speak?

Dr. Sum speaks French and English. View profile to see all.

Does Dr. John Sum, MD offer telehealth services?

Dr. Sum has not yet indicated whether they offer telehealth services. Please contact the office to check for availability/eligibility.

How can I make an appointment with Dr. John Sum, MD?

Find contact information here to make an appointment.

Experience and Background Checks


Background Check

No malpractice claims found for California
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Frequently Treated by Dr. Sum

Based on treatment records, we have identified the following as areas of care that Dr. Sum treats more often than their peers. If you are unsure whether Dr. Sum treats other conditions, please contact the office at (408) 885-5440.


Epilepsy specialists diagnose and treat spectrum of brain disorders that cause seizures due to an interruption of normal nerve activity in the brain.Compare with other Epilepsy specialists.

Dr. Sum
Similar Providers
Fever-Induced Seizure
Seizure Disorders
Very High

Check Dr. Sum's experience treating your condition or procedure

Dr. Sum's conditions and procedures:

  • Brainstem Auditory Evoked Response Test
  • Cerebral Palsy
  • Chronic Pain
  • Complex Regional Pain Syndrome (CRPS)
  • Compound Muscle Action Potential (CMAP) Scan
  • Deep Brain Stimulation Evaluation
  • Dementia Evaluation
  • Dementia or Depression Screening
  • Diabetic Polyneuropathy
  • Difficulty With Walking
  • Dystonia
  • Epilepsy
  • Evaluation and Treatment of Sleep Disorders
  • Evaluation for Stereotactic and Functional Neurosurgery
  • Evoked Potential Test
  • Fever-Induced Seizure
  • Functional Movement Screening
  • Gait Abnormality
  • Grip and-or Muscle Group Pull Test
  • Head CT Scan
  • Home Sleep Study
  • ImPACT Testing
  • Inflammatory and Toxic Neuropathy
  • Low Back Pain
  • Memory Evaluation
  • Peripheral Nerve Disorders
  • Peripheral Neuropathy Testing
  • Polyneuropathy
  • Quantitative Sensory Test (QST)
  • Radiculopathy (Not Due to Disc Displacement)
  • Seizure Disorders
  • Sudoscan
  • TCD Bubble Test
  • Wada Test

Insurance Check

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Dr. Sum accepts

Accepted insurance can change. Please double-check when making an appointment.

(408) 885-5440

Dr. Sum accepts the following insurance:

Aetna HMO
Choice Plus POS II
Blue Cross Blue Shield
Blue Card PPO
Blue Cross Blue Shield of California
Advantage Preferred DirectAccess Plus PPO
Blue Cross Blue Shield of California PPO
Select Plus HMO
Blue Shield of California
Access Plus Savenet
Local Access Plus HMO
Cigna HMO
Cigna PPO
Open Access Plus
First Health (Coventry Health Care)
First Health (Coventry Health Care) PPO
MultiPlan PPO
PHCS Network PPO


Santa Clara Vly Medical Center Neu

Santa Clara Valley Medical Center751 S Bascom Ave San Jose, CA 95128