Board of Directors - Adult & Child Health

Meet Our Caregivers

The primary focus of Adult & Child Health’s Leadership Team is to support our direct care staff and our clients & patients in the long-term attainment of healthy life goals. We believe strong leaders are transformational in nature and empower staff to grow and innovate.

A&C’s mission is driven by the incredible compassion of our team. The needs of our growing client and patient base push us to innovate & collaborate in new ways to continuously evolve and strengthen our services.

Board of Directors

Executive Leadership Team

Medical Providers

Dr. Negendank provides medication management and leads the adult psychiatry team, collaborating with nurse practitioners, and helping develop agency policies and procedures. Dr. Negendank is board-certified in adult psychiatry, forensic psychiatry, and addiction medicine.

She began her medical training at Wayne State University and completed a psychiatric residency at the University of Michigan. Dr. Negendank served as chief resident and devoted many elective hours to the homeless outreach clinic. In her forensic psychiatry fellowship, she developed expertise in violence and suicide risk assessments, provided expert witness testimony, and performed evaluations for those defendants requesting competency and not guilty by reason of insanity.

Since, she has worked in community mental health, often serving and advocating for jailed and homeless individuals. When not working she enjoys spending time with her family, competing in triathlons, & keeping up with her children’s passions of art, music, and archery.

Dr. Siddiqui is board certified in Psychiatry and in Child & Adolescent Psychiatry, having completed his Residency and Fellowship at New York Medical College.

He has been with Adult & Child since 2015 and has been awarded multiple awards including the Clinical Excellence Award and Outstanding Intern by New York Medical College.

Dr. Banks is a primary care physician with his Doctorate of Osteopathic Medicine from Nova Southeastern University College of Medicine. He completed his residency in Family Medicine at Mount Sinai School of Medicine in Jamaica Queens, New York City.

Dr. Banks brings significant family medicine and primary care experience to A&C, working to treat Hoosiers across the state since 2008. Dr. Banks joined Adult & Child Health in at the end of 2021 and is currently accepting new patients.

Dr. Coats graduated from Indiana University Bloomington with a BA in Biological Sciences before attending IU School of Medicine Indianapolis. He then completed a Residency in Psychiatry and a fellowship in Child and Adolescent Psychiatry.

Dr. Coats served as Chief of Staff of Valle Vista Hospital in Greenwood, IN for 11 years and directed all the Child and Adolescent Programs both Acute and Residential. He came to the Adult and Child Center in 1998 and continued to serve in Child and Adolescent Psychiatry. Served as Medical Director of Adult and Child Health Services until recently, now serving as Associate Chief Medical Officer to Dr. Negendank. His duties include direct patient care of Child and Adolescent patients at the 8320 Madison Ave office and providing collaboration to the Child and Adolescent APN’s. He has also served Intecare as their Medical Director.

He enjoys spending time with his wife and twin daughters.

Dr. Chambers 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.

Dr. Chambers 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 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.

Dr. Chambers received his MD from Duke University in 1996. Since then, he has been active in clinical research including behavioral neuroscience. He has special clinical interest in caring for adolescents and adults with dual diagnoses (mental health and substance disorders), and he serves as the IUSM Director of Addiction Psychiatry and Fellowship Training.

Biography to come.

Donald began her career in health care by working in the stepdown ICU at IU Methodist Hospital and transitioned to inpatient medical psychiatry while at Methodist. She gained experience in retail health, urgent care, and family practice before joining the A&C team in 2016. She has served Adult & Child in both adult psychiatry services and addiction medicine.

In addition to her clinical experience, Donald’s academic background includes a bachelor’s degree in Nursing and a Master of Science in Nursing from the University of Indianapolis, where she graduated magna cum laude.

In her free time, Donald enjoys spending time and traveling with her husband and two daughters, reading, and exercising. She is a strong advocate for empowering nurses, and believes that nurses should play a pivotal role in shaping modern health care.

Baxter holds a master’s degree in nursing education and a post-master’s certificate as gerontological nurse practitioner from the University of Indianapolis. She previously worked as a nurse practitioner in many behavioral health settings and is an educator, previously teaching as adjunct faculty at the University of Indianapolis, Anderson University, and Ivy Tech Community College. She is a faculty member and educator for PESI Healthcare where she serves as a national speaker, building upon her past experience as a national speaker for SAMSHA.

Baxter has served in many organizations & board appointments including the Indiana State Nurses Association, American Red Cross, Madison County Minority Health Coalition, Black Nurses Association of Anderson, Indiana INC, Anderson/Madison County Black Chamber of Commerce, Concerned Ministers of Anderson, American Association of University Women, and many others.

She is married to her husband of more than two decades. She serves as an evangelist and a commissioned parish nurse for her local congregation. Baxter enjoys spending time with her family and friends, watching movies and reading.

Lowhorn collaborates with patients of all ages to optimize their overall health and tend to their medical needs.

She started her career as a Registered Nurse at Johnson Memorial Hospital, where she worked on the medical surgical floor, Critical Care and Cardiac Testing for 18 years. She also worked as a PRN at St. Francis as a Sexual Assault Examiner, and at Methodist Hospital in their Behavioral Care Inpatient Unit. She most recently worked as a Nurse Practitioner at IU Bloomington in their urgent care for all ages.

Lowhorn enjoys spending time with her family, shopping, and traveling.

White has a wide range of clinical experience and a passion to serve.

She has treated patients as an APN with both acute and chronic health conditions and has worked in the Methodist Hospital Level 1 Trauma Center in both the main emergency department and the observation unit.

Prior to becoming an APN, she worked as a registered nurse (RN) in oncology/hematology and has worked as a sexual assault nurse examiner who counseled and supported survivors of assault trauma.

She began her health care career in emergency & trauma medicine. She worked both inpatient & outpatient settings before transitioning to community mental health. She joined the Adult & Child Medical Team in 2014. Her role includes child, adolescent, and adult psychiatry, as well as addiction services.

In addition to her clinical experience, Bray’s academic background includes a bachelor’s degree in Nursing and a Master of Science in Nursing from Indiana University. She is a member of APNA and ANCC.

In her free time, Bray enjoys spending time with her husband and two children. She is a sports fanatic and loves traveling with her family.

Miller 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.

Christy Dixon began her career in health care as a lab assistant in the early 80’s and became a Licensed Practical Nurse in 1985. She obtained her Registered Nurse degree in 1989, and graduated from IUPUI in 2012 as a Nurse Practitioner. All of her clinical experience has been in mental health and she has worked with all populations with Psychiatric-Mental Health needs, in settings including outpatient, inpatient acute care for patients with psychiatric substance abuse needs, inpatient residential care and state hospitals for patients with long-term psychiatric needs.

Dixon’s specific interests in psychiatry are patients with mood and thought disorders, as well as caring for patients who have survived trauma. She enjoys precepting nurse practitioner students and is interested in working to streamline systems in healthcare delivery models.

Cielo was raised in Johnson County then earned her undergraduate degree from Indiana State University and her graduate degree from Indiana University.

Cielo started working in mental health and psychiatry in 2011. She has experience in a range of environments, including inpatient, outpatient, and addictions, as well as across the patient lifespan from children to geriatric individuals.

Caring for the mental health population is one of Cielo’s main interests. She also loves studying psychopharmacology and the brain. When she’s not working, she enjoys spending time with her family and pets. She also loves to travel and loves the Indianapolis Colts.

Nicolette Baer, MSN PMHNP-BC, joined A&C in 2018. She specializes in child and adolescent psychiatry.

Baer received her ASN from Marian College and her BSN from U of I. She then graduated magna cum laude from Indiana Wesleyan with her MSN.

Baer previously spent 20 years in ER/trauma at IU Health Methodist, where she specialized in forensic nursing with sexual and physical abuse, IPV, testifying, and bereavement flight nursing. She also traveled with Indy Racing League and Indianapolis Motor Speedway.

Raised in Indianapolis, Baer enjoys spending time with family and friends, entertaining, music, sports, traveling, new adventures, and living life to the fullest.