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Dr. Marshall B. Lucas, M.D.
Medical Director

Dr. Lucas is a graduate of The University of Texas at Austin and The University of Texas Medical School in Houston. He completed his psychiatric residency in Houston as well as fellowships in child and adolescent psychiatry.

Dr. Lucas entered private practice in 1995. He is triple board certified by the ABPN in adult, child, adolescent and addiction psychiatry. In addition to his outpatient practice, Dr. Lucas is medical director of Cypress Creek Hospital where he also treats those in need of a more acute level of care.

The strength of his practice is the embodiment of accurate assessments with responsible medication management. He believes in working with multi-disciplinary practitioners to create the most beneficial treatment plan for each of his patients.

Dr. Anthi Venkatesh, M.D.

Dr. Venkatesh graduated from one of the most prestigious medical schools in India. His passion for medicine started at a very young age. Soon, he was interested in Psychiatry, the branch of medicine that deals with the most important organ of our body, the brain.

He completed his residency in Psychiatry at Scott & White Hospital – Texas A&M University in 2004. He is Board Certified in Psychiatry and is a Diplomate in American Board of Psychiatry & Neurology. He has been in private practice since 2004. Dr. Venkatesh also serves adults and adolescents in need of acute care.

Dr. Larry Flowers, M.D.

Dr. Larry Flowers, MD is a psychiatry specialist in Houston, TX and has been practicing for 32 years. He graduated from Meharry Medical College- School of Medicine in 1982 and specializes in psychiatry.

Dr. Roopa Challapalli, M.D.

Dr. Roopa Challapalli graduated from Guntur Medical College in 1977 and has been in practice for 33 years. She completed a residency at Strong Memorial Hospital. Dr. Challapalli also specializes in Geriatric Medicine and Neurology.

Dr. Vishnu Challapalli, M.D.

Dr. Vishnu Challapalli, MD is a child & adolescent psychiatry specialist and has been practicing for 40 years. He graduated from Guntur Med College-NTR University Of Health Sciences (NTRHUS) Guntur Ap India in 1978 and specializes in child & adolescent psychiatry.

Help is Just a Phone Call Away

We cannot offer diagnosis, counseling, or recommendations online, but an assessment and referral specialist is available 24 hours a day, 7 days a week at 281.586.7600. If you are currently experiencing an emergency, please dial 911 or go to the nearest emergency room.