Yogesh Trehan M.D., Inc.
Internal Medicine and Geriatric Medicine

Brian Reyes, M.D.
Internal Medicine

100 Cortona Way, Suite 140 Brentwood, CA 94513
(925) 516-4488

The Doctors

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Yogesh Trehan, M.D. F.A.C.P.
Board Certified, Internal Medicine
Board Certified, Geriatric Medicine
Fellow American College of Physicians

Dr. Trehan graduated from medical school from the University of Delhi, India in 1995. He did his Residency in Internal Medicine at Westchester Medical Center, New York Medical College in 1998. He completed a fellowship in Geriatric Medicine at Westchester Medical Center in New York in 1999.

Dr. Trehan is an attending physician at Sutter Delta Medical Center and is also affiliated with John Muir Network. Dr. Trehan is a Fellow of the American College of Physicians.


Brian Reyes, M.D.
Internal Medicine

Dr. Brian Reyes is a graduate of Manila Central University, College of Medicine in the Philippines. He completed his internship and residency training in Internal Medicine at The New York Hospital Medical Center of Queens, which is affiliated with New York Presbyterian Hospital and Weill Medical College of Cornell University in New York in 2000.

He has been in private practice in Porterville since 2001 before relocating to Brentwood in 2012. He has a track record of establishing positive relationships with patients, medical professionals and healthcare organizations.

Dr. Reyes is an experienced and well-trained internist with clinical work experience since 2001. He is compassionate and dedicated to providing high quality patient care.

Dr Reyes is affiliated with the John Muir Medical Network and is an attending physician at the Sutter Delta Medical Center.