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NMMC Behavioral Health Center Medical Staff


Dr. Marianne Barnes

Marianne Barnes, M.D., graduated from Notre Dame College in Cleveland, Ohio, and earned a master's degree from Fordham University in Bronx, N.Y. She received her medical training at Case Western Reserve University School of Medicine in Cleveland, Ohio. She completed her psychiatry internship and residency at University Hospitals of Cleveland in Ohio, where she also served as chief resident. She is board certified by the American Board of Psychiatry and Neurology with added qualifications in forensic psychiatry.

Dr. Harrison Evans photo

Harrison Evans, M.D.

Dr. Evans is the provider at the chemical dependency detox center at the Behavioral Health Center. Dr. Evans received his bachelor’s degree in biological engineering from Mississippi State University in Starkville in 1978. He completed medical school in 1982 at the University of Mississippi School of Medicine in Jackson. He completed his psychiatry residency at Wilford Hall USAF Medical Center at Lackland Air Force Base in Texas. He is board certified in psychiatry and neurology.

Dr. Gajagowni photo

Rajender Gajagowni, M.D., received his bachelor’s degree in medicine and surgery from the Jawaharlal Nehru Medical College in Belgaum, India. He completed his psychiatry residency at the University of Mississippi Medical Center in Jackson, where he served as chief resident. He is a member of the American Psychiatric Association and the Mississippi Psychiatric Association.

Dr. Santrise Goree photo

Santrise Goree, M.D, sees patients on an inpatient basis at the Behavioral Health Center, as well as Women’s Hospital patients. She graduated magna cum laude from Xavier University of Louisiana in New Orleans with a bachelor’s degree in chemistry. She received her medical degree from the University of Mississippi School of Medicine in Jackson, where she also completed her residency in psychiatry. She is board certified in psychiatry.

Dr. Frankie Stanley photo


Frankie Stanley, M.D., who sees patients on an outpatient basis at the Behavioral Health Center, as well as provides telehealth services. Through Telehealth, NMMC connects area patients to specialty health care, including psychiatric services with Dr. Stanley. The telehealth consult is transmitted via a secure Internet source through video equipment and computers in the exam room that is connected to the provider’s computer. Dr. Stanley received his bachelor’s degree in medicinal chemistry from the University of North Carolina at Wilmington in 1984. He completed medical school in 1989 at East Carolina University School Brody School of Medicine in Greenville, N.C. He completed a general psychiatry residency at Pitt County Memorial Hospital in Greenville.

Sondra Bennett, PMHNP, received her associate's and bachelor's degrees in nursing from Mississippi University for Women in Columbus. She completed her master's degree at the University of Alabama-Birmingham, with a focus in psychiatric mental health nurse practitioner training.

Charlotte Green

Charlotte Green, RN, serves as consult liaison nurse for NMMC Behavioral Health. She is a certified psychiatric nurse practitioner. She completed her studies at the University of South Alabama, where she was invited into the school’s honor program in recognition of her academic excellence. Green has been employed at NMMC since 1996.



If you need health care after hours, please call North Mississippi Medical Center at (662) 377-3000. If it is an emergency, please call 911.


The North Mississippi Medical Center Behavioral Health Center is a place where families who are struggling can come to get help and hope.