Katy Psychiatry
Our Physician
Marco A. Reñazco, M.D.
Dr. Reñazco is board-certified by the American Board of Psychiatry and Neurology. Dr. Reñazco obtained his medical degree at Texas A&M University Medical School in 1997 and completed his psychiatry residency at Brown University in 2001, where he became Chief Resident.
He then practiced in Fort Worth, Texas, as the medical director of the psychiatric inpatient unit for John Peter Smith Hospital. Once moving back to Houston, Dr. Reñazco opened his practice in Katy, where he has been treating patients and their families in a private office setting since 2005. He is a member of the Houston Psychiatric Society, the Harris County Medical Society, and the Texas Medical Association.
Dr. Reñazco is our Spanish-speaking doctor. He welcomes the opportunity to meet with you and explore the many options available in an effort to resolve the mental and behavioral health issues affecting your life.
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Our Physician Assistant
Keanan Beierle, PA-C
Keanan is a licensed and certified Physician Assistant with over 10 years of experience. He has specialized in psychiatry for the majority of his career and practiced for several years in Katy, Texas.
He earned a Bachelor of Science in Biology/Pre-med with a minor in Chemistry and a Master of Medical Science Degree in Physician Assistant Studies from Midwestern University in Glendale, Arizona.
