Mark Simmons, Psy.D.

Licensed Psychologist

Provider type: Psychotherapist

Patient Age: Adult, Child & Adolescent

Services Provided: Consultation, Clinical Evaluation, and Psychotherapy

About Mark Simmons, Psy.D.

Mark Simmons, Psy.D. is a licensed psychologist and Certified Health Service Provider.

Dr. Simmons provides psychological testing and assessment services, individual psychotherapy for children, adolescents and adults, as well as couples and family therapy. He has experience in evidence based treatment of a wide range of behavioral health problems, with expertise in treating family and marital conflict, attention deficit and other executive functioning difficulties, trauma, anxiety, depression, persistent mental illness, psychotic disorders, Autism Spectrum Disorders, Non-verbal Learning Disorder, and Bipolar Disorder. Dr. Simmons works in close collaboration with other providers, primary care physicians, schools, and community organizations to provide the best quality and continuity of care.

Dr. Simmons leads a oppositional defiant disorder group for parents of children between the ages of 4 to 11 with behavioral issues.


  • ADD & ADHD
  • Anxiety Disorders
  • Autism Spectrum Disorders
  • Bipolar Disorders
  • Depression
  • Family Therapy/Parenting
  • School/Educational/Learning Disorders
  • Education & Certifications

    Dr. Simmons graduated from Bates College. He received his Doctorate in Clinical Psychology from the Massachusetts School of Professional Psychology. Dr. Simmons completed pre-doctoral training at the Couples and Family Clinic at Cambridge Health Alliance as well as Medfield State Hospital. He also completed a post-doctoral fellowship at the Massachusetts General Hospital/Harvard Medical School. Prior to joining LifeStance Health Dr. Simmons was in private practice in Acton, Massachusetts. In addition to his clinical services, he serves as the LifeStance Health Legacy Regional Clinical Director.



    89 Access Rd, Suite 24
    Norwood, MA 02062

    Weymouth – Outpatient

    169 Libbey Parkway
    Weymouth, M MA 02189