Clinical Social Work Practice – Upsider Therapy, LCSW, PLLC
Upsider Therapy, LCSW, PLLC is a private clinical social work practice located at 285 Lexington Avenue, Suite 2A, New York, NY 10016. The practice is operated by Mia Rosenberg, LCSW, who works alongside associate therapists Kendall, Averi, and Isabella. The team serves children, adolescents, teens, young adults, and families, conducting individual assessments to shape treatment plans around each client’s specific circumstances and goals.
Clinical focus areas include anxiety, depression, relationship concerns, and behavioral challenges. The practice draws on a range of therapeutic modalities selected based on each individual’s presentation, rather than applying a single uniform approach to all clients. Work with younger clients spans child therapy through adolescent and teen therapy, while services for older clients are tailored to the distinct pressures faced by young adults and young professionals building careers and navigating life transitions in New York City.
A central emphasis at Upsider Therapy is the development of a strong and empathetic therapeutic relationship. The clinical team helps clients identify their personal strengths, build practical coping skills, and develop new approaches to managing daily stressors and challenges. The practice maintains a blog offering mental health perspectives and has been a source of expert commentary on mental health topics across media platforms.
Session formats include both in-person therapy at the Lexington Avenue office and telehealth options to accommodate varying scheduling needs. The practice is open Monday through Friday, 9am to 9pm, providing access throughout the workweek and into evening hours. This schedule is designed to offer flexibility for clients with daytime work or school commitments.
The practice can be reached by phone at (646) 494-4878 or by email at hello@upsidertherapy.com. Insurance participation details and self-pay fee structures are not specified on the practice website. Prospective clients are encouraged to contact the practice directly to discuss availability, scheduling options, and any financial considerations before booking an initial appointment with the team.