Dr. John W. Duggan
- Gender: Male
- Experience: 33 years
- Graduated from: Tufts University School Of Medicine
- Graduation year: 1988
- Sole propriator: Yes
- NPI: 1851313514
Dr. John W. Duggan JR. M.D., M.S.
Ophthalmologist
He is located at 2516 Samaritan Drive Suite North in San Jose, CA 95124. Can help patients with the following: Eye Floaters, Farsightedness, Keratoconus, LASIK, Pink Eye, Subconjunctival Hemorrhage. His National Provider Identifier (NPI) number is 1851313514. Appointment can be made via the phone number (408) 358-1600. He is affiliated with 1 practices.
Conditions treated
Dr. John Winston Duggan, being an ophthalmologist, 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 W. Duggan.
- Astigmatism
- Binocular Dysfunction (BVD)
- Blepharitis
- Blindness
- Cataracts
- Chalazion
- Color Blindness
- Corneal Disease
- Corneal Ulcer
- Crossed Eyes
- Diabetic Retinopathy
- Double Vision
- Dry Eyes
- Esotropia
- Exotropia
- Eye Floaters
- Eye Strain
- Farsightedness
- Glaucoma
- Herpes of the Eye
- Hypertropia
- Keratitis
- Keratoconus
- LASIK
- Lazy Eye
- Macular Degeneration
- Nearsightedness
- Oculomotor Dysfunction
- Optic Neuritis
- Pink Eye
- Presbyopia
- Retinal Detachment
- Retinitis Pigmentosa (RP)
- Scleritis
- Sty
- Subconjunctival Hemorrhage
- Tunnel Vision
- Usher Syndrome
- Uveitis
Procedures Performed by Dr. John W. Duggan
Medicare Enrollment
Dr. John W. Duggan is enrolled to bill Medicare as a Practitioner - Ophthalmology .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- SAN JOSE, CA, 95124-4015
Bills through: Desert Ophthalmology Medical Corporation
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
| Allergan | $86 |
| Sun Pharmaceutical Industries | $18 |
| Valeant Pharmaceuticals North America | $12 |
Other
| Food and Beverage | $118 |
Studies
TUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1988Additional Specialities
- Specialist
Looking for more Ophthalmologists?
There are 7 other ophthalmologists in this region.
- Gender: Male
- Address: Suite 408 2505 Samaritan Drive San Jose, 95124, CA
- Gender: Female
- Address: Suite 310 2505 Samaritan Drive San Jose, 95124, CA
- Gender: Female
- Address: 2550 Samaritan Dr, San Jose, 95124, CA
- Gender: Male
- Address: Suite East 2516 Samaritan Drive San Jose, 95124, CA
- Gender: Male
- Address: Suite 3 2440 Samaritan Drive San Jose, 95124, CA
- Gender: Male
- Address: Suite 740 2577 Samaritan Drive San Jose, 95124, CA
- Gender: Male
- Address: Suite C 2512 Samaritan Court San Jose, 95124, CA
Questions & Answers
Where can you meet with Dr. John Winston Duggan?
Dr. John Winston Duggan's office is located at 2516 Samaritan Drive Suite North in San Jose, CA 95124.
What conditions does Dr. John Winston Duggan treat?
Dr. John Winston Duggan provides treatment for Eye Floaters, Farsightedness, Keratoconus, LASIK, Pink Eye, Subconjunctival Hemorrhage. For the full list see this list.
Does Dr. John Winston Duggan have affiliation with practices?
Dr. John Winston Duggan is affiliated with San Jose Orthopedic Associates Medical Corporation.