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Thank you for taking the time to visit my website.


My name is Dr. Maddisen Espeseth and I am a licensed psychologist located in Anaheim Hills, California. I provide psychotherapy services to toddlers, children, adolescents, young adults, and fellow therapists. My subspecialties include trauma-related disorders and Obsessive-Compulsive Disorder (OCD), although I often see clients struggling with other anxiety and depressive disorders as well.


In addition to psychotherapy, I also provide psychodiagnostic assessment services to child and adult clients. Presently, I offer testing services to assist with the rule-out of Attention-Deficit/Hyperactivity Disorder (ADHD), Autism Spectrum Disorder (ASD), Specific Learning Disorder (SLD), Intellectual Developmental Disorder, Language Disorder, Speech Sound Disorder, and giftedness.


Maddisen Espeseth, PsyD
Licensed Psychologist (PSY32949)  


My Treatment Approach

Attachment Theory

My treatment approach is heavily informed by attachment theory. Originally developed by psychoanalyst, John Bowlby, attachment theory posits that the parent-child relationship serves as a model template for interpersonal interactions throughout the lifespan.  

Neurosequential Model of Therapeutics
Internal Family Systems

I am Phase One certified in Neurosequential Model of Therapeutics (NMT). Founded by psychiatrist and trauma specialist, Bruce Perry, NMT is a developmentally-informed approach that provides a map of client-specific treatment needs.

I am a Certified Internal Family Systems (IFS) Therapist. IFS is an attachment-based approach that proposes that we are each a complex system of various subpersonalities or "parts." Each part offers a unique wisdom to our internal systems, and dually shares relationships with other parts as well as the core "Self." By understanding and unburdening our parts of past trauma, we pave the way for a Self-led life.

Play Therapy

I am a Registered Play Therapist (RPT) as well as the current president elect of the Association for Play Therapy (APT) local Orange County chapter. Play therapy is a neurodevelopmentally-attuned approach that entails the use of varying play-based, sensoriaffective interventions. The symbolic nature of play grants access to a rich surplus of intra- and interpersonal knowledge that is otherwise, inaccessible via traditional "talk therapy."

Relational Psychoanalytic Theory

I strongly integrate elements of relational psychoanalytic theory when working with clients. Relational psychoanalytic theory conceptualizes psychotherapy as a co-constructed, experiential, "two-person" process. This approach is heavily based in developmental psychology such that one of the primary goals is to assist a client in accessing unarticulated (often preverbal), regressive self-states; in doing so, the client fosters greater flexibility in navigating the relationships between past, present, and future selves.


I am a Registered Sandplay Practitioner (RSP) and member of Sandplay Therapists of America (STA). Informed by Jungian depth psychology, Sandplay is a nonverbal, non-interpretative approach that is intended to create a symbolic holding place for a client's psyche to instinctively and effectively navigate the relationship between conscious and unconscious worlds.

Functional Family Therapy

I am certified in Functional Family Therapy (FFT). FFT is known as a phase-oriented, evidenced-based practice intended to reduce conflict, blame, and hostility between family members by recognizing the responsibility of each relative in contributing to the systemic homeostasis and presenting treatment concerns.

Jungian Psychology

The crux of Jungian, sometimes referred to as depth or analytic, psychology is individuation. "Individuation" refers to the lifelong process of truly knowing one's full "Self." As noted, this is considered a process, not an actual endpoint, given the expansiveness of the psyche both at the individual (personal) and collective (universal) levels.


I am Level One trained in Theraplay and the Marschak Interaction Method (MIM). Theraplay is a play-based, attachment-driven model intended to provide in-vivo access to the very elements that constitute what is known as a "secure" parent-child relationship. The MIM is a structured play-based, parent-child assessment procedure that assists in revealing attachment-related strengths and vulnerabilities.

Psychodiagnostic Assessment

Psychodiagnostic Assessment

The intent of psychodiagnostic assessment, sometimes referred to as psychodiagnostic testing, psychological testing, or psychological assessment, is to assist with ascertaining the rationale for a client's presenting concerns. Standardized, empirically-validated objective and subjective instruments are administered in order to assess psychological domains such as intellectual, neuropsychological, socioemotional, communicational, or personality functioning. Data collected via these measures is interpreted within the context of a client’s present functioning and past history in order to identify client-specific, practical recommendations as outlined in a written report provided to the client at the close of the assessment period.


At this time, I provide psychodiagnostic assessment services to child and adult clients to assist with rule-out of the following:

  • Attention-Deficit/Hyperactivity Disorder (ADHD)

  • Autism Spectrum Disorder (ASD)

  • Specific Learning Disorder (SLD) (Dyslexia, Dyscalculia, Dysgraphia) 

  • Intellectual Developmental Disorder 

  • Language Disorder

  • Speech Sound Disorder

  • Giftedness

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