About Our Doctors

All of our doctors are Licensed Clinical Psychologists with varied backgrounds. Each provider is a general practitioner treating such common diagnoses as anxiety and depression. However, most doctors also have specific areas of interest and expertise.
Jennie Crim, Psy.D.
Dr. Crim has over 25 years of experience working in private practice with clients with various issues, including numerous adjustment-related problems. She frequently works with clients with relationship difficulties, depression, anxiety, and self-esteem issues. Dr. Crim helps patients with stress, assertiveness, communication skills, and weight management. Dr. Crim believes therapy is a collaborative effort and is practical in her approach with clients. Dr. Crim is also a skilled hypnotherapist and biofeedback specialist. Furthermore, spirituality may be incorporated into the therapy process when requested. Dr. Crim treats older adolescents and adults in individual, couples, and family therapy.

Dr. Crim received her Psy.D. in Clinical Psychology from The Virginia Consortium for Professional Psychology (The College of William and Mary, Eastern Virginia Medical School, Old Dominion University, in association with Norfolk State University).
Jack Kitaeff, Ph.D., J.D.
Dr. Jack Kitaeff is a licensed clinical psychologist in the Commonwealth of Virginia with over 35 years experience providing direct counseling, diagnostic and therapeutic services to adults, adolescents, couples and families. He is also an attorney. Prior to entering private practice, Dr. Kitaeff served as a clinical psychologist and Major in the United States Army. He also has many years experience serving as a police psychologist for various Virginia Police and Sheriff Departments. Dr. Kitaeff has also served as the Director of Psychology for a major Virginia State Psychiatric Facility. He is an expert in treating depression, anxiety, phobias, and post-traumatic stress disorders, and has extensive experience utilizing cognitive behavioral therapy (CBT), as well as behavioral modalities such as relaxation therapy and systematic desensitization. He has considerable experience working with military and police populations, as well as performing pre-employment psychological screening. He also has experience working with bariatric patients contemplating weight loss surgery. He is a Diplomate in Police Psychology from the Society of Police and Criminal Psychology. He is also a Fellow of the American College of Legal Medicine.
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Dr. Kitaeff obtained his BA degree in Psychology from the City University of New York, his MS in psychology from the State University of New York, and his PhD from the University of Mississippi. He completed an APA accredited clinical psychology internship at Walter Reed Army Medical Center. He received his JD degree from the Antonin Scalia School of Law at George Mason University, and completed a legal externship at the United States Attorney’s Office for the Eastern District of Virginia.​
Dixie Kime, Psy.D.
Dr.Kime has significant experience working with adults treating anxiety, depression, grief/loss, stress, military-related trauma and PTSD, as well as relationship matters including couple's therapy. In addition, she has experience treating older adult populations where she provides counseling for geriatric issues including associated cognitive problems and caregiver issues.
Susan Murdock, Psy.D.
Dr. Murdock specializes in working with children, adolescents, and families. She works very frequently with depression, anxiety, and attention deficit disorder (ADD). She is also well versed in treating adults with mood disorders and with divorce or separation issues.​
Mary Lou Rubert, Ph.D.
The sum of my experiences spans years as a Clinical Psychologist in private practice and 33 years in government service, including work at three different government settings, the Department of Defense (DOD), the Federal Bureau of Prisons (FBOP) and the Central Intelligence Agency (CIA). At the CIA, Dr. Rubert served as an operational psychologist, Consultant, Program Manager and clinical assessment specialist conducting applicant job-fit interpretation of results, security processing and other types of evaluations.

In previous years, I was a pioneer Clinical Psychologist and threat assessment expert with the Witness Protection Program, President of a Board of Psychological Examiners and Coordinator of an APA approved Continuing Education Program. With a passion for healing others and placing great value on quality relationships, Dr. Rubert applies her expertise in best practices of assessment and evaluation, as well as in different types of therapies, to make a difference in the lives of others through empathic listening, understanding, validation, psychoeducation, and analytical interpretation.
David W. Ruxer, Ph.D.
Dr. Ruxer has a background in behavioral medicine and cognitive therapy with adolescents and adults in individual, group, and family therapy. Hypnosis and biofeedback are often provided for such issues as weight control, smoking cessation, phobias, sleep problems, headaches and stress management. Dr. Ruxer frequently works with workman's compensation cases and pain management as well.​
William S. Rybicki, Ph.D.
Dr. Rybicki is a Licensed Clinical Psychologist with a broad professional background. In his 35-year career, he has attained state licensure as a psychologist in Utah, Pennsylvania, and Virginia.  His work settings have consisted of university and college counseling centers, outpatient, and inpatient clinical programs and individual and group private practices.

He is committed to ethically-informed psychotherapy with adult clients where he believes open communication and collaboration are key ingredients for building a working relationship. Understanding feelings, clarifying conflicts, and making small constructive efforts to change are vital components for personal change. 

Dr. Rybicki works with a variety of clinical, relationship and social problems.  Clinical issues include addictions, anxiety, depression, PTSD and dissociation.  Relationship conflicts involve marital, separation and divorce issues, as well as emotional, physical and sexual abuse behaviors.  Social concerns encompass cancer recovery, disabilities, grief and mourning, men’s midlife and aging problems and sexual identity conflicts with LGBTQ adults

Dr. Rybicki earned his B.A. from Manhattan College, his M.A. from New York University and completed his Ph.D. in Counseling Psychology from an A.P.A. training program at the University of Utah.
Nick Shockman, Psy.D.
​Dr. Shockman is a licensed Clinical Psychologist with 20 years of experience working with adults in a variety of settings in several different locations across the country.  Dr. Shockman has worked in community mental health centers, skilled nursing facilities, outpatient forensic clinics, jails, and most recently as the head of the mental health program in the largest prison in Washington state.  He has also run a successful private practice for the past 10 years.  Dr. Shockman works with individuals dealing with a variety of different disorders, specializing in working with individuals with depression, anxiety, and PTSD.  Through his various roles he also has had the opportunity to work with and develop experience treating veterans and individuals involved in the legal system, in addition to his experience with general adult populations.  Dr. Shockman primarily approaches therapy from a Cognitive-Behavioral perspective, integrating other treatment modalities as appropriate to the client.  His passion in the field is working collaboratively, one on one with adults to address their specific needs in a straightforward, solution focused and compassionate manner.
Jon Howard Siegel, Ph.D.
Dr. Siegel is a licensed psychologist having worked in both clinical and forensic psychology for over 35 years. He provides individual and couples therapy for ages 18 and above. His approach is collaborative but direct, focusing on examining life choices and personal responsibility. Dr. Siegel works with affective (emotional) issues including depression, anxiety, and anger; couples (communication, intimacy, conflict and infidelity); life-span developmental and transitional concerns; adjustment issues and trauma.

Dr. Siegel received his B.A.in anthropology from the University of Pennsylvania. He also earned a degree in automotive mechanics from the Tel-Arza vocational school and later received his M.A. and Ph.D. from Alliant University-San Diego.
Alisa Simon Talkington, Psy.D.
Dr. Talkington is a Clinical and Forensic Psychologist with more than 25 years of experience assisting clients of all ages with a special focus on Veterans, first responders, and others experiencing the harmful effects of trauma. She has worked with clients struggling with a wide range of challenges including anxiety, depression, stressful life transitions, bipolar disorder, ASD, PTSD, OCD, ADHD, relationship concerns and more.  Her theoretical orientation is based primarily on Cognitive Behavioral Therapy. Techniques utilized are drawn from a compliment of modalities with solution-oriented approaches depending on the challenges, preferences, and situation. Dr. Talkington offers a judgment-free environment with empathy, respect, dignity, and compassion.
Steven Tunick, Ph.D.
Dr. Tunick is a licensed clinical psychologist in the Commonwealth of Virginia with over 30 years of experience providing direct support to people ages 16 and up. He provides individual psychotherapy for a variety of issues including anxiety, depression, trauma, self-esteem, and adjusting to significant life events and crises. He also provides couples therapy at all stages of relationships. 
 
Dr. Tunick takes an integrative approach to treatment. He utilizes cognitive-behavioral techniques in a humanistic, person-centered, collaborative environment, custom tailoring treatment to help empower the people with whom he works.
 
Dr. Tunick received his B.A. in psychology from West Virginia University and his M.A. and and Ph.D. in Clinical Psychology from Kent State University. He completed his internship at the Department of Veterans Affairs Medical Center in Washington, DC.
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