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Where Compassion Meets Mental Health

Ruththomas LLC offers expert mental and behavioral health support, with in-person visits in Washington, DC and virtual appointments.

Verified by Psychology Today

Meet Harriet Wangia Avedi

Owner of Ruththomas LLC and Psychiatric Nurse Practitioner, MPH, MSN, PMHNP.

Harriet brings psychiatric nursing experience, medication management support, and a focus on addiction, alcohol use, behavioral issues, PTSD, mood disorders, adolescents, and young adults.

License
District of Columbia / NP1028297
Education
Walden University, MSN, 2024
Membership
AANP member 2178173 / 2024
Top specialties
Addiction, Alcohol Use, Behavioral Issues
A 15-second welcome from Harriet
Read transcript

“Hello, welcome to my practice at Ruththomas LLC, where passion meets your needs. I am glad you're here, and you will get the best services you deserve. Thank you.”

Harriet Wangia Avedi

MPH, MSN, PMHNP

Our Services

We offer a comprehensive range of mental health and addiction services designed to meet your specific needs and help you on your journey to wellness.

Our Therapeutic Approach

We utilize evidence-based therapeutic techniques tailored to each client's unique needs and circumstances.

Motivational Interviewing

A client-centered counseling approach that helps clients resolve ambivalent feelings and find internal motivation to change behavior.

Cognitive Behavioral Therapy (CBT)

A structured approach that helps clients identify and change negative thought patterns that influence emotions and behaviors.

EMDR Therapy

Eye Movement Desensitization and Reprocessing therapy helps clients process and recover from traumatic experiences and emotional distress.

Mindfulness-Based Therapy

Techniques that help clients focus on the present moment, increasing awareness and acceptance of thoughts, feelings, and sensations.

Dialectical Behavior Therapy (DBT)

A therapy that combines cognitive-behavioral techniques with mindfulness, focusing on emotional regulation and interpersonal effectiveness.

Solution-Focused Brief Therapy

A goal-directed approach that focuses on solutions rather than problems, emphasizing the present and future rather than the past.

Begin your healing journey

Take the first step toward a more fulfilling life

We offer compassionate, personalized care to address your unique needs. Choose a service and an available time online, or call us to talk through your options.

Client Reviews

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Frequently Asked Questions

Find answers to common questions about our services, approach, and what to expect.

Your first appointment will be an initial assessment where we'll discuss your concerns, history, and goals. This helps us understand your unique situation and develop a personalized treatment plan. The session typically lasts 60-90 minutes and includes paperwork completion, discussion of confidentiality, and addressing any questions you may have.

Contact Us

Have questions or need assistance? Reach out to our team and we'll get back to you as soon as possible.

Contact Information

Addresses

Washington, DC (In person & virtual):
1629 K Street NW, Suite 300
Washington, DC 20006
Silver Spring, MD (Virtual only):
13421 Tamarack Road
Silver Spring, MD 20904

Who We Serve

Adolescents and young adults

Payment Options

  • Free 15-minute consultation
  • Sliding scale available
  • Out-of-network benefits
  • Pay out-of-pocket
  • Employee Assistance Programs (EAPs)

We accept these insurance providers. What you pay depends on your plan.

  • Aetna
  • AmeriHealth
  • BlueCross and BlueShield
  • Carelon Behavioral Health
  • Cigna and Evernorth
  • Medicaid
  • Medicare
  • Optum
  • UnitedHealthcare
  • Wellpoint / Amerigroup

Hours & Booking

In person or telehealth:

Monday – Friday, 9:00 AM – 4:00 PM

Note: We are available during the hours above and do not provide 24/7 emergency services. If you are in immediate danger, call 911. For a mental health crisis, call or text 988.

Visit us

Find Us In Person

In-person appointments are available at our Washington, DC office. Silver Spring visits remain virtual only.

Book an appointment Call