Tamara C.
4/30/2025
Nothing but great service from this office and Dr. Tony. I transferred doctors getting on medicare and insurance providers and was worried about a new office and doctor. Everything has been beyond...
Tony Kastoon , MD
Closed
(2)
164 W Hospitality Ln Ste 119
San Bernardino, CA 92408
Dr. Tony Kastoon, an experienced physician specializing in internal medicine and endocrinology, completed his training at Wayne State University in 2003 and furthered his expertise with a fellowship at the University of Arizona in 2012. He has a particular focus on managing Hashimoto's thyroid disease, diabetes, and weight loss, and serves as an assistant professor at UC Riverside in California.
In addition to his clinical practice, Dr. Kastoon is a consulting physician at San Antonio Medical Center in Upland, California. His commitment to patient care is reflected in the availability of telemedicine services, ensuring accessible healthcare during the ongoing Coronavirus crisis.
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Reviews
3.02 reviews
Yogi C.
9/23/2025
Dr Kastoon is amazing doctor. Unfortunately front office staff is rude and worthless. I wish they change the staff or the office manager who runs the business.
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