Trillium Psychological Services

Verified Clinician

40900 Merchants Ln, Leonardtown, MD 20650

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Trillium Psychological Services

About the Practice

Trillium Psychological Services is a mental health practice providing psychotherapy and counseling services to children, families. The practice specializes in addressing trauma recovery, depression and other mental health challenges. The practice is committed to providing compassionate, personalized care that supports clients in achieving their mental health goals.

Practice Context in IntroTherapy

• IntroTherapy lists 22 mental health practices in Leonardtown. Trillium Psychological Services is one of them.
• 6,790 practices statewide in Maryland are tracked in our directory.
• 945 practices in Maryland list ADHD as a focus area.
• Typical psychologist compensation in Maryland: $84,000 – $158,000 (median $97,000). Source: BLS OEWS, state cost-of-labor adjusted.

Data compiled from U.S. state licensing boards, NPI public registry, and verified practice listings. Mental health is a YMYL topic — we prioritize licensed, verified providers only. Methodology & sources · Updated September 2026.

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Frequently asked questions

Where is Trillium Psychological Services located?

Trillium Psychological Services is located at 40900 Merchants Ln, Leonardtown, MD 20650.

What is the phone number for Trillium Psychological Services?

You can reach Trillium Psychological Services at (301) 481-4550.

What does Trillium Psychological Services specialize in?

Trillium Psychological Services lists the following clinical focus areas: ADHD, Academic Stress, Aging/Elderly, Anxiety, Autism Spectrum, Body Image, Childhood Trauma, Depression, OCD, Personality Disorders.