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Psychiatric Expertise Motivated By a Servant’s Heart

Welcome to my practice. I specialize in personalized mental health treatment for children, adolescents, and young adults struggling with ADHD, mood dysregulation, anxiety, and other mental health issues. I help my patients find relief from symptoms, improve self-confidence, foster healthier relationships, thrive at school and work, and build towards a hopeful future.

With expertise in both General Psychiatry and Child and Adolescent Psychiatry, I provide an integrative approach that addresses the root causes of thoughts, behaviors and feelings through medication management, psychotherapy, life skills coaching, nutritional supplementation, and more.

I am now accepting new patients in the state of Texas and Colorado.

Dr. Steffi Mendoza, M.D.

Whether you’re a parent seeking guidance for your child, or a young adult facing personal challenges, I am here to help.

Who I Serve

Children

Children (4–11)

  • Decline in academic performance
  • School avoidance/refusal
  • Behavioral issues at home, at school, and other environments
  • Poor impulse control
  • Constant irritability and anger outbursts
  • Strained relationships with family and peers
  • Aggressive behaviors toward self or others
Adolescents

Adolescents (12–21)

  • Difficulty focusing, completing tasks, and staying organized, resulting in academic struggles
  • Mood instability or anxiety impacting daily functioning
  • Poor sleep and energy
  • Low motivation and limited interest in activities
  • Ongoing interpersonal conflicts
  • Low self-esteem, negative self-talk
  • Self-harm or suicidal thoughts/behaviors
Young Professionals

Young Professionals (22–45)

  • Challenges with organization, time management, stress management, money management
  • Struggling to cope with school or work responsibilities
  • Changes in sleep, energy, appetite, motivation
  • Difficulties with family, social, professional relationships
Parents

Parents

  • Concerns about child’s academic performance, social interactions, and family dynamics
  • Feeling overwhelmed by child’s mood dysregulation, anxiety, or challenging behaviors
  • Seeking guidance to better understand and support your child
  • Wanting to strengthen emotional connection and communication with your child
Learn more

Areas of Focus

Attention-Deficit/Hyperactivity Disorder (ADHD)

  • Difficulties with attention, task initiation and completion, organization
  • Hyperfocused on a specific activity at the exclusion of other tasks and responsibilities
  • Hyperactivity, restlessness, difficulty sitting still
  • Poor impulse control
  • Difficulty sleeping

Depression and Other Mood Disorders

  • Extreme or persistent sadness, irritability, anger, or elevated moods
  • Loss of motivation or interest in activities
  • Changes in sleep, appetite, energy, or focus
  • Increased worry and anxiety
  • Feelings of hopeless, worthless, guilt
  • Thoughts of self-harm or suicide

Anxiety Disorders

  • Excessive worries or nervousness
  • Panic attacks
  • Avoidance of situations that cause anxiety, such as school, public places, large crowds
  • Worsening anxiety leading to mood changes
  • Difficulty sleeping
  • Headaches or stomachaches not otherwise explained by another medical issue

Disruptive Mood Dysregulation Disorder (DMDD)

  • Constant irritability or low mood
  • Frequent and intense anger outbursts
  • May or may not be remorseful after the episode
  • Impairs ability to function at school
  • Often strains relationship with parents and disrupts the family dynamic
  • Can co-occur with ADHD

Post-Traumatic Stress Disorder (PTSD)

  • The great imitator — often comes with symptoms of depression, anxiety, and other diagnoses
  • Intrusive thoughts and memories about trauma
  • Difficulty sleeping, nightmares about trauma
  • Emotional numbness to avoid overwhelming feelings of sadness, fear, anger
  • Always feeling unsafe and being on the lookout

Obsessive-Compulsive Disorder (OCD)

  • Intrusive thoughts that seem to be replaying in a loop despite trying to stop them
  • Mental rituals such as counting to relieve anxiety
  • Doing things over and over again, such as handwashing, showering, checking locks, in order to keep bad things from happening
  • Needing to do things a certain number of times or in a certain order before moving on
  • Thoughts and repetitive behaviors impair daily functioning
Dr. Steffi Mendoza, M.D.

My commitment

Struggling with mental health can be isolating, but you are not alone.

As a mom, an immigrant, a former kids and youth minister, and someone who has personally experienced the impact of psychiatric illness, I understand the challenges my patients and their families face. I have a deep desire to serve my patients well, and my mission is to be your trusted partner through every stage of your journey, by providing compassionate guidance and comprehensive care.

If you are seeking a psychiatrist who will listen closely, understand deeply, and work collaboratively with you and your family, I would be honored to work with you. I believe that having someone walking alongside you is half the battle; knowledge and expertise will guide our path. Let’s build together towards a hopeful future!

How I can serve

Featured In

UT Southwestern Medical Center Psychology Today D Magazine U.S. News & World Report NIH National Library of Medicine Integrative Psychiatry Training — Dream Practice Academy

What are people saying

Please note: identifying details have been changed or removed to protect patient privacy, and images are stock images. However, these are all real comments my patients have written to me.

“I hope you know that you are making a difference in people’s lives.”

SB

“[Dr. Mendoza] looked at me as a complete person… She LISTENS. That makes all the difference.”

DH

“You’re worth every penny!”

JS