Dr. Robert Gunzenhauser, MD

Dr. Robert Gunzenhauser, MD

Ophthalmologist
1298 W 7th Street, Upland, CA
5.00
“Absolutely phenomenal. Went above and beyond to help me and I am beyond grateful. If you aren’t getting your care from Dr G, are you really getting care? Highly recommend. ”
Vanessa D.September 25, 2025
Highly recommended
100% of patients gave this doctor 5 stars
Excellent wait time
100% of patients waited less than 30 minutes

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What patients are saying

Overall rating

5.00

Average wait time

4.85

Bedside manner

4.92
“Absolutely phenomenal. Went above and beyond to help me and I am beyond grateful. If you aren’t getting your care from Dr G, are you really getting care? Highly recommend.
Vanessa D.September 25, 2025
“I was looking for a glaucoma doctor and doctor Gunging Hauser was excellent. He was treated at UCLA for glaucoma. He also graduated from Harvard.”
ESLess than 1 year ago

About Dr. Robert Gunzenhauser

Dr. Robert Gunzenhauser is a UCLA-trained, board-certified comprehensive ophthalmologist with specialized expertise in premium cataract surgery and advanced sub-specialty training in the diagnosis and management of glaucoma. He earned his undergraduate degree from Harvard College, graduating cum laude, before obtaining his medical degree from Wake Forest School of Medicine. There, he graduated in the top 10% of his class, earning early induction into the prestigious Alpha Omega Alpha medical honor society as a junior student. He was also recognized with the David Bryan Sloan Award for Excellence in Ophthalmology. Dr. Gunzenhauser completed his ophthalmology residency at UCLA’s world-renowned Jules Stein Eye Institute, following which he was subsequently selected to continue advanced fellowship training in glaucoma at UCLA. A recognized leader in his field, Dr. Gunzenhauser has published extensively in peer-reviewed journals, including the Journal of Glaucoma. He has presented his research at ophthalmology conferences across the U.S. and internationally. His clinical and academic interests include early glaucoma detection, both standard and laser-assisted premium cataract surgery, minimally invasive glaucoma procedures, laser-based glaucoma therapies, and advanced surgical management of glaucoma. Outside of his professional work, Dr. Gunzenhauser enjoys spending time with his wife and family, staying active, and reading non-fiction. He is fluent in English and Spanish and is currently learning Armenian.

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Popular visit reasons

Eye Emergency Visit
Eye Infection
General Eye Consultation
Graves' Disease
Neuro-Ophthalmology Consultation
Pachymetry
Retina Consultation
Routine Eye Exam
Eye Emergency Visit
Eye Infection
General Eye Consultation
Graves' Disease

Office location

Eye MDs of Inland
1298 W 7th Street, Upland, CA 91786

Education and background

Practice names

Board certifications

  • American Board of Ophthalmology

Education and training

  • Medical School - Wake Forest University School of Medicine, Doctor of Medicine
  • Jules Stein Eye Institute at UCLA, Residency in Ophthalmology
  • Jules Stein Eye Institute at UCLA, Fellowship in Glaucoma and Anterior Segment
  • Harvard University (Bachelor's)

Languages spoken

  • English
  • Spanish

Provider's gender

Male

NPI number

1457988065

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
Wait time
4.85
Bedside manner
4.92
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13 reviews
Most relevant
Amazing doctor, so personable and explained everything so well.
Absolutely phenomenal. Went above and beyond to help me and I am beyond grateful. If you aren’t getting your care from Dr G, are you really getting care? Highly recommend.
Verified patient
One of my favor it doctors!! A glaucoma expert.
I was looking for a glaucoma doctor and doctor Gunging Hauser was excellent. He was treated at UCLA for glaucoma. He also graduated from Harvard.
Very thorough. Patient. Bilingual.
Dr. is kind and caring with PT . Great Spanish.
Excellent. Spanish.
Very informative.
Verified patient
Verified patient
Frequently asked questions

How soon can I make an appointment with Dr. Robert Gunzenhauser?

Generally, Dr. Robert Gunzenhauser has appointments available on Zocdoc within 1 week. You can see Dr. Gunzenhauser's earliest availability on Zocdoc and make an appointment online.

Is Dr. Robert Gunzenhauser accepting new patients?

Dr. Robert Gunzenhauser generally accepts new patients on Zocdoc. You can see Dr. Gunzenhauser's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Robert Gunzenhauser accept my insurance?

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Can I make an appointment with Dr. Robert Gunzenhauser online?

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What practice does Dr. Robert Gunzenhauser work with?

Where is Dr. Robert Gunzenhauser's office located?

Dr. Robert Gunzenhauser's office is located at 1298 W 7th Street, Upland, CA 91786.

Which board certifications does Dr. Robert Gunzenhauser have?

Dr. Robert Gunzenhauser is certified by American Board of Ophthalmology.

What are common reasons for patients to see Dr. Robert Gunzenhauser?

Dr. Robert Gunzenhauser frequently sees patients for Eye Emergency Visit, Eye Infection, General Eye Consultation, Retina Consultation, and Routine Eye Exam. You can see other visit reasons for Dr. Robert Gunzenhauser on their profile.

What languages does Dr. Robert Gunzenhauser speak?

Dr. Robert Gunzenhauser speaks English and Spanish.

How do patients rate Dr. Robert Gunzenhauser in reviews?

13 patients have reviewed Dr. Robert Gunzenhauser. The overall rating for this doctor is 5/5. They have a 4.92/5 rating for bedside manner and a 4.85/5 rating for wait time. You can read individual reviews and ratings on their profile.

ZocdocRancho Cucamonga, CA OphthalmologistsDr. Robert Gunzenhauser, MD