Summary

John A. Duncan III MD is a Neurosurgeon located in Providence, Rhode Island specializing in spine, neck, and back surgery and treatment

Quick Facts

  • accepting new patients
  • 4
  • 40 years of experience
  • speaks English, Spanish
  • Rutgers Robert Wood Johnson Medical School
  • 1 specialty
  • 13 areas of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Allison Duncan has 3 locations

Santa Clara Homestead Medical Center

710 Lawrence ExpySanta Clara, CA 95051
Mon12:00 am - 12:00 pm
Tue12:00 am - 12:00 pm
Wed12:00 am - 12:00 pm
Thu12:00 am - 12:00 pm
Fri12:00 am - 12:00 pm
Sat12:00 am - 12:00 pm
Sun12:00 am - 12:00 pm

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Dr. John Allison Duncan III, MD
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Dr. John Allison Duncan III, MDSpyridon Karadimas, MD, PhDDr. Juan C. Fernandez-Miranda, MD, FACSDr. Seunggu Han, MD
Neurological SurgeryNeurological SurgeryNeurological SurgeryNeurological Surgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
40 Years of Experience 26 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish
Santa Clara , CAPalo Alto , CAPalo Alto , CASanta Cruz , CA
Med School: Rutgers Robert Wood Johnson Medical School Med School: Universidad Complutense De Madrid Facultad De Medicina Med School: University Of California San Francisco School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Allison Duncan

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. John Allison Duncan has the following specialty

Specialty Expertise

Dr. John Allison Duncan has the following 13 areas of expertise

  • Aneurysm
  • Brain Surgery
  • Brain Tumor
  • Cancer
  • Cerebrovascular Disorders
  • Craniotomy
  • Epilepsy
  • Glioblastoma
  • Laminectomy
  • Muscle Spasticity
  • Neurosurgery
  • Neurosurgical Procedures
  • Stroke

Certifications, License, & Education

40 Years Experience

Dr. John Allison Duncan holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Medical School

Graduated from Rutgers Robert Wood Johnson Medical School in 1986.

NPI Number

Dr. Duncan's NPI number is 1932186632.

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Frequently Asked Questions

What languages does Dr. John Duncan speak?
Dr. John Duncan speaks English and Spanish.
Which hospitals is Dr. John Duncan affiliated with?
Dr. John Duncan is affiliated with Kaiser Permanente Santa Clara Medical Center and Kaiser Permanente Redwood City Medical Center.
Where is Dr. John Duncan's office located?
Dr. John Duncan's office is located at 710 Lawrence Expy, Santa Clara, CA, 95051.
Does Dr. John Duncan accept virtual/telehealth appointments?
Dr. John Duncan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. John Duncan accept my insurance?
You can see the insurance plans that Dr. John Duncan accepts on their Vitals profile.

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