Dr. John A. Duncan
- Gender: Male
- Experience: 35 years
- Sole propriator: Yes
- NPI: 1932186632
Dr. John A. Duncan III MD
Neurosurgeon
He is located at 5 Spindrift Way in Barrington, RI 02806. Can help patients with the following: Brain Cancer, Cervical Radiculopathy, Esophageal Cancer, Hemorrhoids, Paralysis, Spinal Cord Injury. His National Provider Identifier (NPI) number is 1932186632. Appointment can be made via the phone number (401) 245-7146.
Conditions treated
Dr. John Allison Duncan, being an neurosurgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John A. Duncan.
- Achalasia
- Acoustic Neuroma
- Anal Fissure
- Appendicitis
- Boils
- Brain Aneurysm
- Brain Cancer
- Brain Damage
- Brain Hemorrhage
- Brain Lesions
- Cancer
- Cauda Equina Syndrome
- Cerebral Aneurysm
- Cervical Radiculopathy
- Colon Cancer
- Concussion
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Herniated Disc
- Hydrocephalus
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Neck Pain
- Pancreatitis
- Paralysis
- Peptic Ulcer
- Peripheral Nerve Tumors
- Pilonidal Cyst
- Pinched Nerve
- Pseudotumor Cerebri
- Quadriplegia
- Sebaceous Cyst
- Spinal Cord Injury
- Spinal Stenosis
- Spondylosis
- Traumatic Brain Injury
- Ulcerative Colitis
Medicare Enrollment
Dr. John A. Duncan is enrolled to bill Medicare as a Practitioner - Neurosurgery .
Bills through: Permanente Medical Group Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Neuropace | $235 |
| TerSera Therapeutics | $18 |
Other
| Food and Beverage | $254 |
Additional Specialities
- Surgeon
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Questions & Answers
Where can you meet with Dr. John Allison Duncan?
Dr. John Allison Duncan's office is located at 5 Spindrift Way in Barrington, RI 02806.
What conditions does Dr. John Allison Duncan treat?
Dr. John Allison Duncan provides treatment for Brain Cancer, Cervical Radiculopathy, Esophageal Cancer, Hemorrhoids, Paralysis, Spinal Cord Injury. For the full list see this list.
Does Dr. John Allison Duncan accept insurance?
Unfortunately we don't have any information if Dr. John Allison Duncan accepts insurance.