24/7 Mental Health Crisis Support
(877) 882-5122
24/7 Medical Support
(877) 882-5122
Allen Brown, MSSW
President and CEO
Yadira Howe
Chief Financial Officer
Christine E. Negendank, M.D., C.C.H.P.
Chief Medical Officer
Jessica Bissey, PsyD, HSPP, IMH-E
Chief Clinical Officer
Denise Amato, MBA, PHR, SHRM-CP
Chief Talent Officer
Kerri Lewis
Chief Information Officer
Lauran Canady, MSW, LCSW
Vice President of Integrated Health
Jennifer Disbro, MSW, LCSW
Vice President of Community Based Services (CASS)
Sarah Miller works with the addictions team, general psychiatry for adolescents and adults, and the competency restoration team. She is board-certified as a Psychiatric Mental Health Nurse Practitioner. Her specialties are working in addictions and with people who experience serious mental illness.
Miller graduated from Indiana University with a psychology degree and went back to school for nursing. She received her nursing degree from Indiana Wesleyan University and worked in a nursing home and also spent time working in a group home with adolescents. She received her master’s degree from Vanderbilt University.
She enjoys hanging out with her family and her two dogs, and going to sporting events.
Dr. Joanna Chambers is a psychiatrist who began seeing Adult & Child Health patients in November 2021. She graduated from Medical College of Georgia with her Doctorate of Medicine in 1996 and completed her residency in psychiatry at Yale University School of Medicine. In addition to bringing a wealth of experience, she currently serves as an associate professor at Indiana University School of Medicine where she teaches Clinical Psychiatry. She is certified in Addiction Medicine and has a special interest in treating pregnant and postpartum women. She is President of the American Academy of Psychoanalysis and Dynamic Psychiatry Organization as well as a sitting member of many medical association boards. Recently, she has won the Residents’ Award for Teaching Excellence in 2020 from Indiana University and has received “Best Doctors Award” in 2010, 2011, and 2014. Dr. Chambers is incredibly active in the medical, academic, and research realms of medicine. She is currently accepting new patients on Wednesdays.
