Smithtown Medical, Physical Therapy & Massage Therapy Clinic

Say hello to a life without limits at Thrive Medical in Smithtown. Whether recovering from an injury, managing a chronic condition, or hoping to improve your physical well-being, our Smithtown, NY team supports your journey to optimal health and wellness through medical, physical therapy, massage therapy, and acupuncture.

Ready to take the first step toward a pain-free, active lifestyle? Call us at 631-780-6128 to schedule an appointment and discover how we can help you achieve your wellness objectives.

Request an Appointment at Smithtown Clinic

Call: 631-780-6128

Thrive Medical of Smithtown
300 E Main St.
Suite 2
Smithtown, NY 11787

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Office Hours:

Monday:	8am – 12pm, 1pm – 6pm
Tuesday:	8am – 12pm, 1pm – 6pm
Wednesday:	8am – 12pm, 1pm – 6pm
Thursday:	9am – 1pm, 2pm – 7pm
Friday:	Closed
Saturday:	Closed
Sunday:	Closed

*Note: The office is closed on most major holidays

If this is a medical emergency, please go directly to the nearest hospital emergency room.

Meet Your Smithtown Therapy Team

At our Smithtown, NY office, we pride ourselves on delivering personalized care that addresses your unique needs and goals. Our experienced team is committed to understanding the underlying causes of your pain and discomfort, crafting customized treatment plans that promote healing and long-lasting results.

Let’s work together to empower you to live your best life.

Learn more about our team below.

Doreen Dimanche-Smith, FNP-C, APRN, MSN, BSN

Medical Director/President of Thrive Medical of Smithtown Chief Medical Officer of Thrive Medical Clinics Doreen Dimanche-Smith was born and raised in Long Island, NY. With the support and encouragement of her husband, Charles, parents, and her family, Doreen went on to obtain certifications. Doreen has a paralegal degree and legal studies. Doreen received her BSN and MSN with honors, both from Stony Brook University. She is currently in the process of completing her Doctorate in Executive Leadership. She is a member of the American Academy of Anti-Aging Medicine and the American Association of Nurse Practitioners (AANP). Doreen has experience in pediatrics and adult ICU, and emergency rooms. In 2020, Doreen opened Thrive Medical of Smithtown, NY. After successfully managing the office as the President in 2021, Doreen became the Chief Medical Officer for all the Thrive Medical locations. Doreen is a mother to two step-children and mother of four children. She enjoys being a mom, laughing, shopping, dancing battles with her kids, singing Whitney Houston songs, and spending time with her husband and family.

Gabrielle Herard, FNP-C, APRN, MSN, BSN

Gabrielle graduated from Stony Brook University with a bachelor’s degree in Health Science with a Concentration in Environmental Health. Subsequently, she completed her master’s degree in Nursing, earned her Family Nurse Practitioner Certification, and became a member of the American Association of Nurse Practitioners (AANP). Married, Gabrielle has a daughter and enjoys traveling to different countries and experiencing new cultures.

Sabrina Tsaabbast, PT

Sabrina is a licensed Physical Therapist for 20 years with Bachelor’s and Master’s of Science degree in Physical Therapy from Long Island University. She has extensive experience working with diverse patient populations ranging from homecare, outpatient, psychiatric and developmental center settings. She has experience treating orthopedic, neurological, musculoskeletal, post operative, geriatric, and balance and gait disorders. She enjoys traveling, activities outdoors, going to the beach, and being by the water. She enjoys going to concerts, comedy shows, Broadway shows, and art exhibits.