Duffy John Gregory MD

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17821 17th St Ste 165
Tustin, CA 92780

Located in Tustin CA Dr. Duffy John Gregory MD is a seasoned medical professional specializing in General Medicine. With a Doctor of Medicine degree in Allopathic Medicine Dr. Gregory brings a wealth of knowledge and expertise to his practice.

As a respected medical doctor Dr. Gregory provides comprehensive healthcare services to his patients focusing on general medical care and treatment. Patients can trust in his skill and dedication to delivering high-quality healthcare in a compassionate and professional manner.

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Reviews

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3.53 reviews
Sandy W.
7/1/2025

Four years with Dr Duffy, gave us more time with family and friends while dealing with Alzheimer's in my 64 yr old husband. He was always professional, caring and answered all Of our questions....

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Wendy G.
8/7/2018

My parents have seen Dr. Duffy for several years, and we have consistently found that he is the only one of their phalanx of doctors who seems interested in their overall well-being. He is hard to...

Albert I.
6/19/2016

Was looking for a physician for my wife and called to inquiry about his services. His staff was curt and somewhat helpful...and you can guess that I did not choose him

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