Therapist in Mansfield, Massachusetts Rosie O’Sullivan, Therapist
License: LMHC
Provider Gender: Female
Ages Served: 18-65+
Appointments: In-office and Telehealth
Manages Medications: No, provides therapy only

Rosie O’Sullivan, LMHC
Additionally, Rosie is highly skilled in supporting clients dealing with codependency and chronic stress, guiding them toward healthier relationships and more balanced lives. Her therapeutic approach incorporates mindfulness, self-compassion, and expressive therapies to address a wide range of emotional and psychological needs. Drawing from evidence-based practices such as Cognitive Behavioral Therapy (CBT), mindfulness techniques, and Emotional Freedom Technique (EFT), Rosie tailors her interventions to meet the unique needs of each client. Her trauma-informed care and relational approach ensure that individuals receive personalized support, whether they are coping with long-standing issues or seeking guidance through a challenging period. She also has extensive experience in helping clients develop emotional resilience, reduce stress, and enhance their overall quality of life.
Outside of her clinical work, Rosie finds joy in dancing, practicing yoga, and spending time in nature. She enjoys walking along the beach, traveling, and cherishing moments with family and friends. Rosie’s love for Hallmark movies and laughter reflects her warm and approachable personality, which resonates with her clients. Serving individuals throughout Massachusetts, Rosie O’Sullivan is committed to providing compassionate care that helps clients navigate their mental health challenges and thrive.
Expertise
Insurances Accepted
Interventions
- Cognitive Behavioral Therapy (CBT)
Education
-
Cambridge College
Graduate School | 2013
Boston, MA, United States
-
Massachusetts College of Liberal Arts
Undergraduate | 1994
North Adams, MA, United States
Languages
- English
FAQs
Please call us at 774-394-1347 to schedule an appointment with Rosie O’Sullivan.
Rosie O’Sullivan generally accepts new patients but there could be a waitlist.
Please call 774-394-1347 to find out Rosie O’Sullivan's schedule and availability.
LifeStance Health providers accept most commercial insurance plans that are offered in the states where we offer services, including telehealth. Please see the following list of insurances accepted by Rosie O’Sullivan:
- Aetna
- Behavioral Health Systems (BHS)
- Blue Cross Blue Shield (BCBS)
- Carelon (Beacon)
- Centivo
- Evernorth (Cigna)
- MediNcrease Health Plans (MHP)
- MultiPlan (PHCS)
- Optum (UnitedHealthcare)
- Partners Direct Health
- Provider Network of America (PNOA)
- Sana Benefits
If you don't see your insurance listed, please contact us at 774-394-1347 to see how we can help.
Rosie O’Sullivan is a Therapist and cannot prescribe medication. However, most LifeStance offices have a Psychiatrist or APN on staff who can prescribe medication if needed.
Yes, Rosie O’Sullivan does offer online telehealth visits.
Yes, Rosie O’Sullivan is currently offering in-office visits.