Our Team

Meet Our Mental Health Clinicians

Providing psychological, psychotherapy, and other specialized treatments tailored to you.


Dr. Larry Neidigh received his Ph.D. from the University of South Florida in 1987. He subsequently accepted a post-doctoral internship at Community Behavioral Services in Orange Park. He simultaneously accepted a position in the Psychology department at the University of North Florida, where he served 15 years as a tenured associate professor. As the demands of his growing clinical practice grew, he eventually decided to retire from the University and dedicate his time to the full-time clinical practice of Psychology.

Though trained as both a Psychotherapist and a Psychological Evaluator, over the years, Dr. Neidigh has specialized in the practice of Forensic Psychology and serves as the Clinical Director of Community Behavioral Services. He conducts Forensic Psychological Evaluations for both the criminal and civil courts.  He is widely recognized as an expert in performing child custody evaluations, sexual offender risk assessments, parental fitness examinations, psychological evaluations for diagnostic and treatment purposes, psycho-educational evaluations, and evaluations for the criminal courts focusing on competency, sanity, and mitigation.


Joni Neidigh, LMHC has been employed with Community Behavioral Services for over 20 years. She is a licensed psychotherapist in the State of Florida who pioneered the Competency based Anger and Violence Intervention Program (“AVIP”) in 1995 and has served as the director and facilitator for 19 years. Including her internship, she has served families in Duval, Clay, Baker, and Nassau Counties for over 24 years. Mrs. Neidigh has experience facilitating individual, group, and marriage counseling. She has served as a motivational and educational speaker on numerous occasions and has provided expert witness testimony in the above named courts for the past 21 years. In addition, she has received training in domestic violence, emotional, physical, and sexual abuse, and has completed the forensic examiner training at USF. She currently holds certification as a domestic violence counselor from the National Association of Forensic Counselors. She has also been assisting athletes for the last six years as a Mental Game Coach using cognitive therapy and imagery to improve performance. These techniques assist athletes in terms of overcoming obstacles and reaching personal or professional goals. She has worked with numerous coaches and athletes associated with Florida and USA Swimming. She is currently accepting new clients.

Joni Johnston Neidigh is a Licensed Mental Health Counselor in the state of Florida, and has been in private practice for over 26 years. Joni is also a Certified Clinical Hypnotist who specializes in athletic performance. She has helped develop athletes from age-group to Olympians and professionals in the sport of swimming. Joni works with USA registered swimmers and coaches all over the country. She has hosted and worked with coaches and teams from other countries as well including Spain, Japan, Brazil, Australia, Scotland, and more. 

Joni is also a presenter at clubs, coaches-clinics, colleges, and high schools around the country. She is known to help athletes, coaches, and parents learn to improve their mental game in a fun and easy way. In addition to seeing clients at her private practice locations, Orange Park, Jacksonville, and Jacksonville Beach, Florida, she also offers one on one sessions with athletes via Skype or Facetime.

Joni is the author of AIM Gold Medal Mental Toughness Success Guide as well as Anger and Violence Intervention Program Success Guide. She has also produced over 20 audio products to help with athletic performance. These can be found at www.aim-store.net. 

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Dr. Mark Flynn, Psy.D. has been with Community Behavioral Services since 2003. Dr. Flynn is a Licensed Psychologist who specializes in the evaluation and treatment of adults, children, adolescents, families, and couples. He is part of the assessment and evaluation team, and he administers the competency based Anger and Violence Intervention Program. He also sees clients in need of individual counseling, couples counseling, and family therapy. He has testified and been recognized by the courts in Duval, Clay, Nassau, and Leon County as an expert in the field of Psychology. Dr. Flynn is also a Florida Forensic Examiner, having completed the examiner training through USF School of Psychology and Law.

Specialty areas include: anger and violence intervention, psychological evaluation, and the diagnosis and treatment of various clinical disorders including: mood disorders, anxiety disorders, learning disorders, developmental disorders, psycho-legal issues, and personality disorders. Dr. Flynn also administers the Autism Diagnostic Observation Scale (ADOS-2). The ADOS-2 is recognized as the gold standard for diagnosing Autistic Spectrum Disorders. He specializes in the diagnosis of Autism Spectrum Disorder, but does not offer behavioral therapy for children diagnosed with ASD.

Dr. Flynn completed his APA accredited internship with the Intermountain Health Care in Salt Lake City, Utah. The internship took place in three settings: University of Utah Child and Adolescent Specialty Clinic, Alta View Center for Counseling, and the Primary Children’s Medical Center Day Springs Latency and Adolescent Residential Treatment Center. He completed his therapy practicum at Inner Harbour Hospital, and his diagnostic practicum at North Dekalb Community Mental Health Center. He also spent two years working as a therapeutic wilderness counselor for troubled teens in Texas.

Dr. Flynn earned his Doctorate of Clinical Psychology, Psy.D., in 2003 from the Georgia School of Professional Psychology in Atlanta, Georgia. He attained the dual specialty track of neuropsychological assessment and child/family. He also earned his masters degree in Clinical Psychology form GSPP. He graduated from Florida State University in 1996, where he received a Bachelor of Science degree in Psychology.

Mark Flynn, Psy.D. grew up in Orange Park, Florida, and graduated from Orange Park High School in 1993. He has dedicated his life to helping others live more fulfilling lives, reducing the risk of child abuse and domestic violence, and assisting individuals, couples, and families overcome emotional and behavioral problems. Dr. Flynn’s primary therapeutic perspectives are cognitive behavioral and solution focus.


Caitlin Cassidy, M.S., Registered Mental Health Counselor Intern received her Bachelor of Science degree in Psychology from the University of Central Florida and her Master of Science degree in Clinical Mental Health Counseling from the University of North Florida. Caitlin has experience providing individual counseling to children, adolescents and adults on concerns related to anxiety, depression, trauma, abuse, grief, familial and relationship conflict, communication, self-esteem and anger. She is part of Community Behavioral Services assessment and evaluation team. Caitlin uses a variety of approaches in a safe, nonjudgmental environment, including solution-focused, strengths-based and cognitive behavioral therapy techniques.

Cheryl Carlyon, LMHC holds a Bachelor of Science degree in Psychology and a Master of Science degree in Counseling Psychology from Nova Southeastern University. Ms. Carlyon works with children and adults in individual and group settings. She treats children with mood disorders, behavioral difficulties, and pre and post divorce adjustment issues. She treats adults with mood disorders, grief issues, and adjustment issues both pre and post divorce. In addition, Mrs. Carlyon provides couples and family counseling. Ms. Carlyon specializes in treating sexual abuse victims and individuals who have experienced abuse or neglect. In addition, she has been recognized as an expert in family mediation and time sharing issues, often being appointed by the family law court to serve in this capacity.

Dr. Minor Chamblin, Ph.D. received his Ph.D. form the University of Kentucky in 1972, and that same year joined the Psychology Department at the University of North Florida. He continued as a member of the faulty at UNF, serving as the Chair of the Psychology Department for the seven years prior to his retirement from the University in 2007. Dr. Chamblin became a Florida Licensed Psychologist in 1986 and has continued to practice at Community Behavioral Services over the ensuing years. He has experienced working with a wide range of client concerns including specialization in sexuality issues, substance abuse recovery, relationship/marital challenges, and anxiety and mood disorders. 

Ashley Neidigh,  M.Ed. Registered Mental Health Counselor Intern. After becoming a national champion in swimming, Ashley decided to turn her talents toward helping others. She obtained her Master’s Degree in Mental Helath Counseling from Indiana University and subsequently joined Community Behavioral Services to assist people in meeting their goals of increased satisfaction and success with life, and reducing emotional distress through the  development of skills and insight. This is her  primary career goal.

Edward Hoffman, LMHC has been employed with Community Behavioral Services for 20 years. He is a Licensed Mental Health Counselor, and has a Bachelor of Arts in Psychology Degree from Southern Illinois University, Carbondale, and a Master of Arts in Counseling Psychology Degree from the University of North Florida. Mr. Hoffman specializes in group and individual treatment of adolescent and adult sexual offenders. He has been qualified as an expert witness by courts in Clay, Duval, and Nassau counties in counseling Psychology and sexual offender treatment. In addition, he provides counseling services to children, adolescents, and adults with mood, behavior, anxiety, and adjustment disorders, as well as couples and family counseling. Mr. Hoffman is part of the Community Behavioral Services assessment and evaluation team. Prior to his employment with Community Behavioral Services, Mr. Hoffman was employed as a substance abuse therapist with River Region Human Services in Jacksonville, Florida and Hill House in Carbondale, Illinois.

Bill Hughes, MA, LMHC was born in Buffalo, New York and relocated to Georgia with his family at the age of 11. He joined the United States Navy in 1981 and served in active duty for five years, attaining the rate and rank of Operations Specialist First Class (OS1) before separating from the service in 1986. He and his wife of 34 years, met in 1983 when the USS Saratoga (CV-60), moved to its homeport of Mayport, Florida. They married one year later and waited 10 years to start a family. Their two children were born and raised in Jacksonville. Bill earned his Master of Arts in Counseling Psychology from the University of North Florida in 1994. In that year, he was hired to create a program for sexually abused children at the Mental Health Center of Jacksonville. While there, Bill also worked part-time in the evenings providing counseling services to families at the Children’s Home Society’s Teen Center. Having established the New Beginnings program, he left and was hired by Charter Hospital to become their Lead Therapist. However, in 1995, he returned to Community Behavioral Services (CBS), where he had interned while a graduate student several years earlier. 

Bill became a Licensed Mental Health Counselor and has been working at CBS for over 20 years. While at CBS, Bill has become certified in Neuro-Linguistic Programming and is also a Certified Sexual Offender Treatment Specialist through the National Association of Forensic Counselors. In addition to providing counseling services to individuals, couples, and families, Bill also regularly conducts interviews and testing for Psychological and Psychosexual Evaluations, as well as Parental Fitness and Competency Evaluations. He sees clients in both our Orange Park and Jacksonville offices, provides group therapy to registered sexual offenders, interviews inmates and conducts Psychological and Intelligence testing in local jails, has testified as an expert witness in Federal Court and in the State courtrooms of several counties in Northeast Florida, and manages to maintain a healthy lifestyle, a happy marriage, and a close circle of friends. Bill assists people through their bouts with depression, anxiety, trauma reactions, marital distress, and grief and bereavement, among his many other areas of clinical focus. He believes in the ability of people to grow and to change and is dedicated to helping his clients in a sincere and caring fashion.  

April Howell, MSW, LCSW has her Masters in Clinical Social Work from Florida State University and is a Licensed Clinical Social Worker providing mental health services to individuals of all ages and backgrounds including family and couples counseling. She has experience working within the child welfare system, inpatient hospital settings, and facilitates a weekly group anger management program. April believes in providing warm, authentic, and compassionate approaches through holistic and integrative practices tailored uniquely to each client. She is able to therapeutically treat a wide range of concerns with a non-judgmental and strengths based approach that fosters a safe place for clients to heal at their own pace.