Dr. Allyssa Mattes, IN Psychologist 20043674A

Licensed clinical psychologist specializing in neuropsychology

Evidence-based treatment
Collaborative care approach
Support for ADHD and anxiety

About Dr. Allyssa Mattes

Dr. Allyssa Mattes is a licensed clinical psychologist and health service provider in Indiana who brings six years of professional experience to her work. She holds the Indiana license IN Psychologist 20043674A, which denotes her credential as a state-licensed psychologist. With a specialty in neuropsychology, she supports adults facing a range of challenges including stress and anxiety, depression, social isolation, ADHD and executive functioning or organizational difficulties, parenting concerns, motivation struggles, and issues with self-esteem and confidence.

Her practice relies on evidence-based methods that blend cognitive behavioral therapy, behavioral techniques, and mindfulness-based practices to match each person's needs. She emphasizes thoughtful, genuine care and approaches each client as an expert on their own life, collaborating to design a treatment plan tailored to individual goals and circumstances. Dr. Mattes aims to help clients develop practical skills, clearer perspectives, and sustainable strategies for everyday challenges.

Prospective clients who are seeking support with mood, attention, relationships, or life transitions are invited to reach out if they would like guidance on their journey toward improved well-being.

Areas of Expertise

Primary Focus

Stress, AnxietyParenting issuesSelf esteem Depression ADHD

Additional Focus Areas

Autism and Asperger SyndromeCaregiver issues and stressChronic pain, illness, and disabilityCommunication problemsFamily problemsImpulsivityIntellectual disabilityIsolation / lonelinessLife purposeMood disordersPanic disorder and panic attacksSelf-loveSocial anxiety and phobiaTraumatic brain injury

Therapeutic Approach

Acceptance and Commitment Therapy (ACT) Client-Centered Therapy Cognitive Behavioral Therapy (CBT) Dialectical Behavior Therapy (DBT) Mindfulness Therapy Motivational Interviewing Solution-Focused Therapy

Frequently Asked Questions

How much experience does Dr. Allyssa Mattes have?

Dr. Allyssa Mattes has 6 years of professional experience.

Is Dr. Allyssa Mattes a licensed therapist?

Yes. She holds these credentials: IN Psychologist 20043674A. License details: IN Psychologist 20043674A.

In which languages does Dr. Allyssa Mattes provide therapy?

She provides therapy in English.

Where is Dr. Allyssa Mattes located?

Dr. Mattes is located in Indiana.

How can I work with Dr. Allyssa Mattes as my therapist?

You can work with Dr. Mattes through video calls, phone sessions, live chat, or text-based messaging.

Does Dr. Allyssa Mattes work with international clients?

Dr. Allyssa Mattes does not currently work with international clients.

How much does therapy with Dr. Allyssa Mattes cost?

The cost of therapy can vary depending on factors such as your location and the therapist's availability. Sessions are billed through a subscription that can be canceled at any time, for any reason. For current details, click the "Start Therapy" button on this page.

How can I get started with therapy?

Getting started with therapy is quick and straightforward. Click the "Start Therapy" button and complete a short questionnaire that helps match you with your therapist. Depending on availability, you can then schedule your first session, which may take place by phone, video call, live chat, or in-app messaging.

Therapeutic approaches for online care

Dr. Mattes draws on Acceptance and Commitment Therapy and Cognitive Behavioral Therapy to guide clients through online sessions. Acceptance and Commitment Therapy helps people clarify their values and commit to meaningful actions even when difficult thoughts or feelings arise - it is useful for anxiety, stress, and challenges with motivation. Cognitive Behavioral Therapy focuses on identifying and adjusting unhelpful thoughts and behaviors to reduce symptoms of depression, anxiety, and panic and to improve daily functioning.

She approaches treatment collaboratively, recognizing that finding the right therapeutic method is part of the work. Dr. Mattes partners with each client to explore which approaches fit their needs, goals, and preferences, and adapts strategies over time so the plan remains practical and relevant.

Online therapy with Dr. Mattes is offered through video calls, phone sessions, live chat, or text-based messaging to increase flexibility and access. These formats allow clients to receive consistent support around scheduling constraints, travel limitations, or other life demands while working with a licensed professional to build skills and make meaningful progress.

Ready to start therapy with Dr. Allyssa Mattes?

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