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Arielle Pokossy, Psychiatrist

Arielle Pokossy, MD, Psychiatrist in Lexington, Massachusetts

Specialties:
Transcranial Magnetic Stimulation ADHD Anxiety Attention & focus Depression/feeling down Panic attacks Self-esteem +15
Ages Served
18-75+
Manages Medications
Yes
Accepts Insurance

About Arielle Pokossy (She/Her)

Arielle Pokossy is a compassionate psychiatrist who offers personalized medication management to adults across Massachusetts through LifeStance Health. She works with individuals ages 18 and up, including college-aged young adults, working professionals, and seniors, providing thoughtful psychiatric care that prioritizes each person’s lived experience, goals, and emotional well-being. Dr. Pokossy believes in a collaborative, nonjudgmental approach, helping patients understand their diagnoses and make informed decisions about their mental health care. She is particularly passionate about treating mood and anxiety disorders, including depression, bipolar disorder, PTSD, obsessive-compulsive disorder, and generalized anxiety. Dr. Pokossy provides support for those navigating postpartum mental health challenges and the complex interplay between psychiatric symptoms and life transitions. Her clinical care is grounded in respect, empathy, and a commitment to long-term wellness, helping patients build stability and regain a sense of control in their lives. Dr. Pokossy also works with the LGBTQ+ community, offering affirming care in a safe and inclusive environment. She has experience supporting individuals managing ADHD, psychosis, and trauma, and she offers additional specialties to meet the needs of diverse patients. Her clinical practice welcomes individuals across many life stages who seek to feel understood, empowered, and supported in their mental health journey. Outside of her work at LifeStance, Dr. Pokossy enjoys watching sports movies, reading, and cooking or baking new recipes. She is proud to serve individuals and communities throughout Massachusetts.

Types of Care & Ages Served

Areas of Focus

Psychiatry/Medication Management

Treat and prevent mental health disorders using medication and therapy.

  • ADHD
  • Anxiety
  • Attention & focus
  • Depression/feeling down
  • Panic attacks
  • Self-esteem
  • Stress management
  • Bipolar Disorder
  • Focus, concentration & memory
  • Hallucinations
  • Intense mood changes
  • Men's health/issues
  • Menopause & perimenopause
  • Other women's health concerns
  • PMS & PMDD
  • Psychosis/issues with reality
  • Schizophrenia/schizoaffective
  • Sexual trauma
  • Sleep issues or insomnia
  • Trauma & PTSD
  • Unusual thoughts or beliefs

Transcranial Magnetic Stimulation

Specialty treatments include innovative, approved, and rapid-acting approaches for difficult-to-treat conditions.

Languages

  • English
  • French

Education

  • The University of Douala

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Frequently Asked Questions About Arielle Pokossy

Please call us at 781-626-5625 to schedule an appointment with Arielle Pokossy.

See what our patients are saying about Arielle Pokossy

Arielle Pokossy has worked very closely with our family to solve some tough anxiety & counting OCD issues. She is knowledgeable, very responsive and spends the time to really discuss issues and figure out next steps. We very much value working with her!
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Corinne M.

Corinne M.

Mar 08, 2026
Google Google
The doctor was thorough and likable. She asked intelligent questions. Looking forward to seeing her again.
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Mary M.

Mary M.

Jun 18, 2026
Google Google
Good, listens, do not hurry me. I myself should have made a medication list. Thank you.
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Jean C.

Jean C.

Dec 09, 2025
Google Google
Excellent doctor who asked many questions to determine how she could help me.
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Maureen B.

Maureen B.

Feb 28, 2026
Google Google
Lifestance is wonderful!
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Roberta M.

Roberta M.

Jan 16, 2026
Google Google
Excellent experience
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Р Л.

Р Л.

Aug 01, 2026
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Arielle Pokossy, Psychiatrist in Lexington, Massachusetts

Arielle Pokossy

Psychiatrist in Lexington, Massachusetts

New patient?

Check availability and book your first appointment Call for Availability

Already have an appointment?

Video visit waiting room Join Now
Existing patient portal Sign in