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Psychiatrist in Northborough, Massachusetts Sith Riantawan, Psychiatrist

Gender Identity: Male (He/Him)

Ages Served: 18-40

Appointments: In-office and Online

Manages Medications: Yes

Accepts Insurance: Yes - View accepted plans

Sith Riantawan, Psychiatrist

Sith Riantawan, MD

Specializes In:

ADHD
Anxiety
Attention & focus
Depression/feeling down
Panic attacks
Self-esteem
Stress management
See all specialties >

Dr. Sith Riantawan is a compassionate psychiatrist serving patients across Massachusetts, offering comprehensive psychiatric diagnostic assessments and medication management for a range of mental health concerns. He takes a holistic approach, considering biological, psychological, social, and spiritual factors that influence emotional well-being. Dr. Riantawan works collaboratively with his patients and their families to develop individualized treatment plans that prioritize overall mental health and help create fulfilling lives. Dr. Riantawan is particularly passionate about treating individuals struggling with ADHD, anxiety, depression, and PTSD. He also offers specialized care for childhood behavioral issues and provides support for those dealing with school avoidance and developmental disabilities. By integrating pharmacotherapy with a patient-centered approach, he ensures that each person receives the care and attention they need to move forward in their mental health journey. In addition to his expertise in treating mood disorders, Dr. Riantawan has a strong focus on helping those with autism spectrum disorders and other developmental disabilities. He recognizes the unique challenges faced by these individuals and their families and is dedicated to supporting them with empathy and evidence-based care. His practice also extends to working with patients dealing with psychosis, schizophrenia, hoarding, obsessive-compulsive disorder, and sleep disorders. Outside of his clinical work, Dr. Riantawan enjoys hiking, playing board games, traveling, and watching shows and movies. These activities help him stay balanced and connected with his own well-being, which, in turn, enhances his ability to provide thoughtful, compassionate care to his patients. Dr. Riantawan is committed to serving patients across Massachusetts, helping them navigate the complexities of mental health and achieve lasting emotional health and wellness.

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
  • Adoption & foster care
  • Anger issues
  • Autism: generally independent
  • Bipolar Disorder
  • Body image
  • Bullying or harassment
  • Childhood behavioral issues
  • Early adulthood: Independent living or relationships
  • Early adulthood: Starting college or career
  • Eating issues: binging
  • Family conflict
  • Hallucinations
  • Intellectual challenges: generally independent
  • Intense mood changes
  • Learning challenges
  • Obsessive Compulsive Disorder
  • Parenting
  • Phobias
  • Psychosis/issues with reality
  • Schizophrenia/schizoaffective
  • School avoidance
  • School behavioral issues
  • Self-injury or cutting
  • Sexual trauma
  • Sleep issues or insomnia
  • Trauma & PTSD
  • Unusual thoughts or beliefs

Languages

  • English
  • Thai

Education

  • Loma Linda University

FAQs

Please call us at 508-242-9666 to schedule an appointment with Sith Riantawan.

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See what our patients are saying about Sith Riantawan

Dr. R truely cares about his patients. He treats them as equals with kindness and respect. He’s an amazing provider that makes differences in so many people’s lives no matter how big or small.
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Anna M.

Anna M.

Jun 26, 2025
Google Google
Dr. Riantawan cares about his patients.
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Jiny

Jiny

Feb 12, 2025
Healthgrades Healthgrades
Great service overall
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Eli M.

Eli M.

Sep 19, 2025
Google Google
Excellent experience
Read Full Review
Erin A.

Erin A.

Sep 10, 2025
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