0 reviews
Summary
Dr. John Twelker is an optometrist who specializes in comprehensive eye care and ophthalmology services. He earned his Doctor of Optometry degree from UC Berkeley School of Optometry and brings 34 years of dedicated experience to his practice. Dr. Twelker provides care in English for patients seeking expert vision and eye health services.
Dr. Twelker practices at Banner University Medical Center South, serving patients at the Banner - University Medicine Ophthalmology Clinic in Tucson, Arizona. He focuses on treating common vision conditions such as nearsightedness, astigmatism, and eye complications related to diabetes. His expertise includes performing comprehensive eye exams, advanced retinal imaging, and optical coherence tomography to provide detailed assessments of eye health.
Dr. Twelker practices at Banner University Medical Center South, serving patients at the Banner - University Medicine Ophthalmology Clinic in Tucson, Arizona. He focuses on treating common vision conditions such as nearsightedness, astigmatism, and eye complications related to diabetes. His expertise includes performing comprehensive eye exams, advanced retinal imaging, and optical coherence tomography to provide detailed assessments of eye health.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 34 years of experience
- 14 insurance plans accepted
- speaks English
- UC Berkeley School of Optometry
- 3 specialties
- 4 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Office Location
Banner - University Medicine Ophthalmology Clinic
707 N Alvernon Way Ste 301Tucson, AZ 85711 Tel: (520) 694-1460
Compare with Similar Providers
![]() | ![]() | ![]() | ![]() |
| Dr. John D Twelker, OD | Dr. Kunyong Xu | Cameron Grant Javid, MD, MBA, FACS | Dr. Miguel A Chaar, OD |
| Ophthalmology | Ophthalmology | Ophthalmology | Optometry |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 34 Years of Experience | 14 Years of Experience | 32 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | ||
| Tucson , AZ | Tucson , AZ | Tucson , AZ | Tucson , AZ |
| Med School: UC Berkeley School of Optometry | Med School: Mc Master Univ Sch Of Med | Med School: University Of Illinois At Chicago College Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John D Twelker
Medical Specialties
Dr. John D Twelker has the following 3 specialties
Specialty Expertise
Dr. John D Twelker has the following 4 areas of expertise
Certifications, License, & Education
34 Years Experience
MEDICAL LICENSE
Doctor Of Optometry, Arizona, 2027, Active
EDUCATION & TRAINING
Medical School
UC Berkeley School of OptometryGraduated in 1992
Similar optometrists
Frequently Asked Questions
- Does Dr. John Twelker accept virtual/telehealth appointments?
- Dr. John Twelker has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. John Twelker affiliated with?
- Dr. John Twelker is affiliated with Banner University Medical Center South.
- What languages does Dr. John Twelker speak?
- Dr. John Twelker speaks English.
- How can I make an appointment with Dr. John Twelker?
- You can find contact information for Dr. John Twelker here on Vitals.
- Does Dr. John Twelker accept my insurance?
- You can see the insurance plans that Dr. John Twelker accepts on their Vitals profile.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.







