Community Behavioral Services
Call Us at (904) 269-3324

Larry Neidigh, Ph.D                        Mark Flynn, Psy.D.

Minor Chamblin, Ph.D.                      Joni Neidigh, LMHC                         Bill Hughes,  LMHC                          Ed Hoffman, LMHC                          Carol Nelson, LMFT                         Cheryl Carlyon, LMHC                     Theresa Crockett, LMHC                 Joe Zichi, LCSW

Staff Biographies


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 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.  Dr. Neidigh 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, psychoeducational evaluations, and evaluations for the criminal courts focusing on competency, sanity, and mitigation.

Joni Neidigh LMHC, has been employed with Community Behavioral Services for 21 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 County 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 Mrs. Neidigh has recieved 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. Mrs. Neidigh  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.

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 at Community Behavioral Services, and he administers the competency based Anger and Violence Intervention Program. Dr. Flynn also sees clients in need of individual counseling, couples counseling, and family therapy.  Dr. Flynn 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 the University of South Florida School of Psychology and Law. 

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

Dr. Flynn completed his APA accredited internship with 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.  Dr. Flynn completed his therapy practicum at Inner Harbour Hospital, and his diagnostic practicum at North Dekalb Community Mental Health Center. Dr. Flynn 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 Master’s Degree in Clinical Psychology from G.S.P.P. Dr. Flynn graduated from Florida State University in 1996, where he earned 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. 



Cheryl Carlyon L.M.H.C., holds a B.S. degree in psychology and an M.S. 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 Ms. 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.


Carole Nedwed Nelson, LMHC was licensed in 1987 as a Marriage and Family Therapist. She graduated from the University of Illinois Champaign-Urbana, Illinois with an AB degree in Anthropology, and St. Lawrence University, Canton, New York with an M. Ed in Counseling.

 Ms. Nelson has worked at Community Behavioral Servicesfor 23 years. Prior to this practice she has been employed as a Child Abuse Investigator for the Department of Social Services as well as a Probation Officer. She was a Psychologist Assistant performing all assessments and evaluations for a children and adolescent outpatient state Psychiatric Hospital as well as performing individual and family therapy. At the University of Florida, Shands Hospital in Jacksonville, Florida, Ms. Nelson was a child and adolescent therapist, the coordinator of the Sexual Abuse Treatment Program, a member of the Pediatric Diabetes team and a clinical supervisor for the University of Florida Psychology Interns.

 Since 1988, Ms. Nelson has worked in private practice psychotherapy specializing in the treatment of couples, families, individuals, adolescent sexual offenders, sexual abuse victims, foster care adjustment, adoption adjustment, behavioral problems, mood disorders, anxiety disorders, and adjustment disorders. Ms. Nelson has testified in Duval, Clay, Nassau, Baker, Bradford, and St. Johns counties as an expert in child, adolescent, and adult behavior.

Minor Chamblin, Ph.D. received his Ph.D. from 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 faculty at UNF, serving as 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 (PY 3646) in 1986 and has continued to practice at Community Behavioral Services over the ensuing years. He has experience working with a wide range of client concerns including specialization in sexuality issues, substance abuse recovery, relationship/marital challenges and anxiety and mood disorders.


Theresa Crockett LMHC, is a licensed mental health counselor who has worked with Community Behavioral Services since 2001. She works with children and adults who are experiencing emotional and behavioral difficulties. Domestic Violence, Community Mental Health and Developmental Disabilities are fields in her employment history with experience in both service provision and administration. Her educational history includes graduating from the University of North Florida with a Masters of Education in Counseling in 1993. X has worked in therapeutic settings to assist people in meeting their goals of increased satisfaction and success with life through enhancement and development of skills and insight. This continues to be her primary career goal.


Mr. Hoffman 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’s of Arts in Counseling Psychology Degree from 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 Duval, Nassau and Clay counties in counseling psychology and sexual offender treatment. In addition, Mr. Hoffman 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, LMHC, earned a Master of Arts in Counseling Psychology from the University of North Florida in 1994 and has been licensed as a Mental Health Counselor in the State of Florida since the mid-1990s.  Mr. Hughes served his internship with Community Behavioral Services in Orange Park, Florida before leaving to create a program for sexually abused youths at the Mental Health Center of Jacksonville.  In addition to that responsibility, Mr. Hughes provided counseling services for the Children’s Home Society located in Jacksonville, Florida.  He left those positions to briefly serve as Lead Therapist at Charter Hospital, before returning to Community Behavioral Services in 1995. 

Since 1995, Mr. Hughes has been providing counseling services to individuals, couples, families, and groups in both our Orange Park and Downtown Jacksonville locations.  In addition to providing counseling services, Mr. Hughes participates in the conducting of psychological evaluations, has been regarded as an expert in the area of sexual offender treatment in the courtrooms of various counties in Northeast and Central Florida, and provides assistance in psychological testing.  Mr. Hughes and his wife have raised two children and have made Jacksonville their home for the past 30 years.