Education & Certification

Licensed In
District of Columbia

Graduated From
George Washington University (2005)

National Register Member Since

Maria Dittrich, PhD

Dr. Dittrich has been in private practice at Commonwealth Psychological Associates since 2003.

Dr. Dittrich specializes in couples therapy and also counsels patients struggling with anxiety, adjustment issues, and depression. She also has specialized training in the Collaborative Divorce program. She finds inspiration for her work in the potential that all people can be in loving, caring, communicative relationships.

Dr. Dittrich first joined our practice as an advanced doctoral student completing her Externship. The following year she completed her Internship in psychology at South Florida State Hospital and returned to Commonwealth Psychological Associates to complete her two-year Residency training. She has continued with CPA since that time, serving now as Senior Staff Psychologist.

Dr. Dittrich earned her doctorate degree in clinical psychology from The George Washington University where she also served as graduate Co-Director of the Meltzer Psychological Services Center and as Clinical Professor in the Department of Psychology. She has also served as an academic contributor to the APA Dictionary of Psychology.

Learn more about me on my website:

Practice Characteristics

Areas of Expertise

  • Individual Psychotherapy
  • LGBT Issues (e.g., workplace, academic or personal discrimination, stigma, gender assignment evaluation, gender identity)
  • Couples Therapy (e.g., relationship communication difficulty, premarital consultation, divorce mediation)
  • Career and Life Adjustments (occupational/career counseling and assessment, academic problems, financial issues, relocation stress, stress associated with other life changes)
  • Anxiety (e.g., generalized anxiety, phobia, panic, obsessive-compulsive disorder)

Ages Served

  • Adults (18-64 yrs.)
  • Older adults (65 yrs. or older)

Treatment Modalities

  • Existential/Humanistic/Interpersonal
  • Cognitive Behavioral Therapy


  • National Register of Health Service Psychologists

  • The American Psychological Association (APA)
  • The Society of Consulting Psychology (APA Division 13)
  • The Society for the Psychological Study of Lesbian Gay and Bisexual Issues (APA Division 44)
  • The Virginia Psychological Association

Fee Information/Office Policy

  • Preferred method of contact is by telephone: (703) 734-0787, or via the Contact link on our website:
  • Insurance Plans

    Does Not Accept Insurance

    Health Care Plan Participation

  • The costs of treatment will vary according to the types and frequency of services recommended. We expect that you will want to discuss the financial aspects of treatment and we'll be glad to fully explain our costs and billing procedures. We can also assist you with information regarding how your insurance may cover some of the costs of treatment. We serve as out-of-network providers, and provide all required documentation that will assist your insurance company in processing the level of reimbursement that is allowed by your individual plan.
  • Contact Information

    Primary Contact

    2004 S Quincy St
    6801 Whittier Avenue
    Arlington, VA 22204
    P: 703-734-0787 (Office)
    F: 703-734-2735