Executive Director
Clinical Director
Psychiatry
Jing Zhang, M.D, Ph.D.
Larry K. Grubb, M.D.
Dennis Glick, M.D.
Clinical Associates
William Dean Charmak, Ph.D, M.P.
Melanie Sholtis, Psy.D.
Theresa Smith, M.S.,LCPC
Priscilla Ballsun, MSW,LCSW-C
Gabriel Chernoff, MSW, LCSW-C
Kristin Zimmer, M.S., LCPC
Joan Pittman, LCSW-C, Ph.D.
Tanya Quille, Ph. D
Ada Rodriguez, Psy. D
Melinda Goodman, Ph.D.
Philip Schwartz, Psy.D.
Roseanne M. Middleton, Ph.D.
Sharon Cannon, Ph.D.
Jing Zhang, M.D.,Ph.D.
Dr. Zhang is a Licensed, Board Certified, Psychiatrist with 10 years of experience treating psychiatric disorders for adolescents and adults, mainly psychiatric medication management. Areas of specialty include: patients with depression, bipolar disorder, anxiety disorders, phobias, obsessive-compulsive disorder, PTSD, ADD/ADHD, adjustment disorder, schizophrenia and schizoaffective disorders.
Dr. Zhang obtained her MD degree from Henan Medical School and completed her residency training at the University of Chicago. Before joining the Columbia Counseling Center, Dr. Zhang worked for Kaiser Permanente in Fairfax County as a full-time psychiatrist. In addition, Dr. Zhang had 5 years psychiatric research experience at the National Institute of Mental Health, NIH (Bethesda) and obtained a Ph.D. degree in Physiology from the Uniformed Service University of Health Sciences.
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Larry K. Grubb, M.D.
Dr. Larry Grubb has a vast range of experience as a Psychiatrist with 2 Board Certifications in Adult Psychiatry and in Child and Adolescent Psychiatry. He has 30 years of experience providing Psychiatric Services within a military community. Dr. Grubb received his Medical Degree from the University of Kentucky in 1985. He completed a 4 year Residency in Psychiatry at the Naval Medical Center in California and a 2 year Fellowship in Child and Adolescent Psychiatry at Walter Reed Army Medical Center in DC.
In addition to joining the staff at the Columbia Counseling Center, Dr. Grubb currently works at the US Navy, Behavioral Health Directorate, National Naval Medical Center- Outpatient Psychiatrist and Former Head, Traumatic Stress and Brain Injury Service. He has been involved in the evaluation and treatment of inpatients and outpatients who present with psychological disorders secondary to exposure to trauma and who have suffered brain trauma in combat or in civilian environments. In addition to treating Posttraumatic Stress Disorder (PTSD) and Traumatic Brain Injury (TBI), he serves as an expert in military Disability Evaluation. Further, Dr. Grubb has provided consultation for Bariatric Surgery Evaluations.
During his military career, Dr. Grubb provided mental heath services and direct patient care to children and adults. In addition, he was employed at the Pentagon and Headquarters of Navy Medicine where he was in charge of accession and disability policies for all the military services.
Dr. Grubb specializes in Medication Management of psychiatric and pharmacologic intervention for a full spectrum of psychiatric disorders. His broad based experiences enable him to effectively treat children, adolescents, and adults who present with mood disorders including depression and bipolar disorder, anxiety disorders, attention and impulse-control disorders such as ADHD, and more severe mental illness.
Currently, Dr. Grubb has a specialty interest in treating patients with Eating Disorders and providing Weight Management Intervention. He is the author of the book “Solving the Weight Loss Puzzle,” and the eBook “Get Your Head Out of the Refrigerator.” His CD “Reaching Your Natural Weight” has received much praise from parents and educators. These are exciting endeavors as physicians and psychologists attempt to address the serious increasing childhood obesity problem with comorbid disorders such as diabetes.
Dr. Grubb is available to see patients at CCC on Saturdays including Child, Adolescent, and Adult patients for Medication Evaluation and Management who present with Mood Disorders, Anxiety Disorders, Eating Disorders, Sleep Disorders, ADHD, and more complex Disorders who may require a consult for differential diagnoses and pharmacological intervention.
Dennis Glick, M.D.
Dr. Dennis Glick is Board Certified in Psychiatry and received his Medical Degree from George Washington University in 1980. He completed his Psychiatry Residency at the University of California at Davis in 1984. He was awarded a Diplomate status from the American Board of Psychiatry and Neurology in 1986. Dr. Glick served as the Chairman for the Department of Psychiatry at Santa Rosa Memorial Hospital for 5 years. In addition,Dr. Glick was the Medical Director for Psychiatric Inpatient Services at Santa Rosa Hospital for 2 years. He has extensive experience in Health Care Management for the behavioral health delivery system.
Dr. Glick is a broadly based psychiatrist with 27 years of clinical and 14 years of HMO and Hospital Medical Director Service. He specializes in outpatient private practice with evidence based medication assessment and management of Depressive and BiPolar Disorders, Anxiety Disorders, Panic, Phobia, PTSD, ADHD, Sleep Disruption, and psychotic disorders in adults and older adolescents.
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William Dean Charmak, Ph.D., M.P.
Dr. Charmak is a licensed psychologist with 24 years of experience providing individual, family and couples psychotherapy. Services are provided to adults and adolescents over the age of 15. Areas of specialization include depression, bipolar illness, anxiety, Post-traumatic Stress Disorder, addictions, geriatric services, oncology, and other chronic illnesses, developmental disabilities, psychopharmacology, executive coaching and organizational consultation.
Dr. Charmak obtained a PhD in Clinical Psychology from California School of Professional Psychology-Fresno and Post Doctoral Master of Science Degree in Clinical Psychopharmacology from Alliant International University/California School of Professional Psychology. He is the recent co-author of Successful Aging: Optimizing Strategies for Primary Care Geriatrics, in Reichel’s Care of the Elderly, Sixth Edition, 2009, Cambridge University Press.
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Melanie Sholtis, Psy.D.
Dr. Melanie Sholtis is a licensed psychologist, with 6 years of experience providing individual, couples, and family therapy with adolescents and adults. She has worked in a variety of settings, including substance abuse treatment, hospitals, private practice, and forensic settings. In addition to her experience in psychotherapy, Dr. Sholtis has extensive experience providing psychological, forensic, and psychoeducational assessments to a wide variety of patient populations.
Dr. Sholtis received her Psy.D. in Clinical Psychology from the American Professional School of Psychology. Her areas of specialty include: anxiety disorders, depression, mood disorders, PTSD, anger management, family therapy, behavioral techniques, and psychological assessment.
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Theresa Smith, M.S., LCPC-C
Theresa Smith is a Licensed Clinical Professional Counselor with over five years experience providing individual, couples, and family psychotherapy. She is available to see adolescents, adults, couples, and families regarding premarital counseling, blended family issues, depression, anxiety, stress management, and pastoral counseling. In addition, Ms. Smith provides services to children ages three through thirteen experiencing school related behavioral problems, separation anxiety, generalized anxiety, depression, loss, separation and divorce, blended step-families, social skills, and peer relationship issues.
Ms. Smith obtained a MS in Pastoral Counseling from Loyola College of Maryland and completed additional post-graduate course work and clinical requirements to become licensed in the state of Maryland. She has earned the recognition of the National Board of Certified Counselors (NBCC), as a National Certified Counselor (NCC), having successfully met the professional counseling standards established by the Board. She is also a member in good standing of the American Counseling Association.
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Priscilla Ballsun, MSW, LCSW-C
Ms. Priscilla Ballsun has been in practice as a Licensed Clinical Social Worker for 22 years. She graduated from Hunter School of Social Work in New York City in 1987, and concurrently attended the Washington School for Psychoanalytic Psychotherapy in New York and received her certificate in 1992. Ms. Ballsun also has a Master’s degree in Rehabilitation Counseling and a Master’s degree in Education. She has post master’s training in couple’s therapy and a specialty in divorce mediation. She was the child and adolescent therapist at Georgetown University Hospital outpatient clinic for 8 years. She worked at Walter Reed Hospital in the Post Traumatic Stress inpatient unit. Her other specialty training is in Cognitive Behavior Training. Ms. Ballsun sees individuals including adults and late adolescents, couples and families. Ms. Ballsun can treat a range of problems including mood and anxiety disorders, work related issues, grief counseling, eating disorders and other life situations.
Ms. Ballsun is a member of the National Association of Social Workers.
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Gabriel Chernoff, MSW, LCSW-C
Gabriel Chernoff is a licensed clinical social worker with 10 years of experience in providing psychotherapy for children, adolescents, adults and families. Mr. Chernoff specializes in children and adolescents dealing with social skills issues, school/behavioral issues, ADD/ADHD, as well as parent/child conflicts. He also assists adults in dealing with depression, anxiety, grief, divorce, work-related stress, and relationship issues. Additionally, Mr. Chernoff offers couples/marital therapy focusing on improving communication and intimacy. Lastly, Mr. Chernoff engages in family therapy and group work including support groups for men as well as social skills groups for elementary school-aged children.
Mr. Chernoff obtained a Masters in Social Work from the University of Chicago, School of Social Service Administration. His clinical social work internship was at the University of Chicago Hospital, Department of Adult Psychiatry. He has previous experience working in school and community mental health settings.
Mr. Chernoff is a member of the National Association of Social Workers as well as the Greater Washington Society for Clinical Social Work.
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Kristin Zimmer, M.S., LCPC
Kristin Zimmer, LCPC-C graduated from Johns Hopkins University with a Master of Science in Counseling. Her primary focus is children, adolescents, and their families, with concerns including: adoption, ADHD, anxiety, depression, blended families, and bicultural adjustment. Ms. Zimmer offers clients a variety of treatment options, including play therapy and expressive arts, relaxation training, and cognitive behavioral therapy. She has 5 years experience providing counseling services.
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Joan Pittman, LCSW-C, Ph.D.
Dr. Joan Pittman is a Licensed Clinical Social Worker with over 10 years experience providing individual and family therapy for adolescents and adults. Dr. Pittman has experience working with individuals who have symptoms of depression and/or anxiety, relationship problems, life transition issues, post-traumatic stress, and eating disorders. She uses a variety of therapeutic techniques to help clients including cognitive-behavioral strategies, family therapy techniques, and solution focused therapy.
Dr. Pittman obtained a Ph.D. and Master’s degree in Social Work from the University of Maryland, in Baltimore. She is a Clinical Instructor at University of Maryland specializing in training clinical social workers to provide group, individual, and family therapy.
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Tanya Quille, Ph.D.
Dr. Quille is a Licensed Psychologist who has an extensive background in treatment and treatment research at both the University of Miami Miller School of Medicine in the Department of Psychiatry and at the Johns Hopkins University Bloomberg School of Public Health in the Division of Mental Health.
Dr. Quille has worked in the field of psychology for more than 20 years. She offers individual, couples, family and group therapies. Dr. Quille specializes in family therapy, couple’s therapy, substance abuse, depression, anxiety, stress management, women’s issues, sexual trauma, grief and loss. Her preferred populations are adolescents and adults.
Dr. Quille has presented seminars and training nationally to state and local Departments of Children and Families, universities, hospitals and outpatient treatment facilities. She has presented therapy training sessions at the National Conference of the American Association of Marriage and Family Therapy and presented at the National Conference of the American Psychological Association. Dr. Quille also provides clinical supervision for doctoral psychology students.
Ada Rodriguez, Psy.D.
Ada Rodriguez, Psy.D. is a Bilingual (Spanish and English) Maryland Licensed Psychologist who received her doctoral degree from George Washington University in 2006. She completed her internship at Walter Reed Army Medical Center with rotations in Neuropsychology, Assessment, Military Psychology, and Psychiatry Consultation Liason. She was the former Assistant Chief for Psychology Service, Behavioral Health Care at Kimbrough Ambulatory Care Center in Fort George Mesage, where she provided psychological assessment and treatment including individual and group pscyhotherapy. She was a staff Psychologist in Iraq providing Anger/Stress Management, relaxation training, psychotherapy and assessment.
Dr. Rodriguez is available to see adults and older adolescents who present with Anxiety, Depression, Post-Traumatic Stress Disorder, grief and loss, women in transition, Panic, Eating Disorders, Stress Management issues, Separation and Divorce. In addition, she is adept at treating military families and civilians who have recently separated from the military and are experiencing stress due to reintegration. She provides psychological and neuropsychological assessment for adolescents and adults who may present with the following: ADHD, Learning Disabilities, Academic difficulties, memory impairment, cognitive deficits, need for differential diagnosis.
Dr. Rodriguez provided behavioral health services in Spanish to Latino men, women, and children. She is a member of the Maryland Psychological Association and the American Psychological Association. She received a Meritorious Service Medal and an Army Achievement Medal while serving in the military.
Melinda Goodman, Ph.D.
Dr. Goodman is a Maryland Licensed Psychologist with a Postdoctoral Fellowship at the University of the Sciences in Philadelphia, Student Health and Counseling. She has 5 years of experience in treating adolescents and young adults. Her areas of specialty include: adolescent adjustment, adjustment to college life, body image, Eating Disorders, Depression, Anxiety, Trauma, Sexual Abuse, PTSD, Gay and Lesbian issues.
Dr. Goodman received her doctorate degree in Counseling Psychology from the University of Florida in 2008. She was an adjunct professor and has published research articles on gay and lesbian issues.
Philip Schwartz, Psy.D.
Dr. Philip Schwartz has twenty years of experience treating adults, children, couples, and families both nationally and internationally. Dr. Schwartz has both a Psy.D. from the Chicago School of Professional Psychology (1997), and an MSW from Wurzweiller School of Social Work in New York City (1993). He is a Licensed Psychologist in the State of Maryland.
Dr. Schwartz offers clients a unique perspective with respect to families and individuals struggling in the school system. His insights for children and families stem from both his clinical experience, and his role as principal, teacher, and learning specialist in the private school system for over ten years. He has the unusual experience of sitting on both sides of the desk, and thus offers his clients the full spectrum of psychological services, serving as clinician, educational consultant, and liason to the school system. (including ADHD, the spectrum of learning disabilities, and IEPs).
Dr. Schwartz specializes in working with adolescents, young adults, and couples focusing on adjustment issues, depression, anxiety, bereavement, navigating through traumatic issues, parent effectiveness training, developmental delays, academic difficulties, school related behavioral and social issues, and relationship conflicts.
Roseanne M. Middleton, Ph.D.
Dr. Roseanne Middleton is a Licensed Psychologist who has been in private practice for over 15 years. She received her doctorate from Texas Tech University and completed a two-year internship at the Institute of Pennsylvania Hospital with specialized training in the treatment of trauma. Dr. Middleton’s therapeutic style was shaped by a background emphasizing psychodynamic and cognitive behavioral interventions focusing on the development of skills to improve psychosocial well-being and strengthen relationships.
Dr. Middleton provides services for adults as well as older adolescents seeking treatment for a range of mental health concerns including depression and anxiety, Panic Disorder, Obsessive Compulsive Disorder, and Post Traumatic Stress Disorder (PTSD). She specializes in treating individuals who have experienced trauma and problems forming or maintaining satisfying interpersonal relationships. In addition, Dr. Middleton focuses on treating couples to enhance communication and intimacy, as well as to negotiate the complexities of separation and divorce.
Geriatric services are another facet of expertise. Dr. Middleton has considerable experience working with elderly patients who face unique challenges related to aging and the impact of physical and cognitive debility on emotional health.
Sharon Cannon,Ph.D.
Dr. Sharon Cannon is a Maryland Licensed Psychologist who specializes in the treatment of adolescents and young adults. She received her Ph.D. in 1992 from the University of Nebraska with a specialty in adolescents and young adults with Eating Disorders. Dr. Cannon has provided psychological services at the Center of Eating Disorders at Sheppard Pratt Hospital in the Outpatient Department for children, adolescents, and young adults.
In addition, Dr. Cannon has participated in NIMH funded research investigating family therapy approaches for individuals with Anorexia. She has provided case consultation for interdisciplinary team members on inpatient and outpatient units. Dr. Cannon spent 16 years at Children’s Behavioral Health at the Children’s Hospital in Omaha, Nebraska providing Outpatient psychotherapy for children, adolescents, and adults seen for individual, family, and group therapy. She has provided psychological services for children in pediatric oncology and pain management treatment.
Dr. Cannon has been in private practice for 20 years providing psychotherapy for adolescents and young adults who present with a broad spectrum of disorders including: Depression, Anxiety, Panic, Phobia, PTSD, BiPolar Disorder, Eating Disorders, Sleep Disruption, and Personality Disorders. She is a member of the American Psychological Association and the Maryland Psychological Association.
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