# Greiner Physical Therapy > One-on-one physical therapy in the Hamptons, with clinics in Speonk and Quogue, New York. > Founded by Seth Greiner, PT, MSPT, as a mobile practice in 2015; the Speonk clinic opened in > 2021 and Quogue followed. The defining feature of the practice is that there are no assistants > and no aides: a licensed physical therapist performs the evaluation and every minute of every > treatment session. ## Key facts - Business name: Greiner Physical Therapy - Owner and founder: Seth Greiner, PT, MSPT (a master's-level licensed physical therapist, not a DPT) - Phone: (631) 596-5096 - Email: support@greinerphysicaltherapy.com - Website: https://greinerphysicaltherapy.com - Google rating: 5.0 across 300+ reviews - Award: 2025 Dan's Best of the Best winner - Location: 170 Montauk Hwy Unit 1, Speonk, NY 11972. Hours: Mon, Wed, Fri 9:00am to 7:30pm , Tue, Thu 7:00am to 7:30pm - Location: 132 Jessup Ave, Quogue, NY 11959. Hours: Mon, Wed 9:00am to 7:30pm , Tue, Fri 8:00am to 6:30pm , Thu 7:00am to 7:30pm ## Care model - Every session is one-on-one with a licensed physical therapist. No assistants, no aides. - Six of the seven treating clinicians hold a Doctor of Physical Therapy degree; the founder holds PT, MSPT. The practice describes its clinicians as licensed physical therapists. - Four-phase recovery program: Pain, Prime, Prevent, Perform. - Sessions run 30 to 60 minutes. Most patients attend two to three times per week for a minimum of four to six weeks. - New York direct access: a patient may be treated without a physician referral for up to 30 days or 10 visits, whichever comes first. ## Insurance - In network with Medicare and Medicare Advantage. - Participates as an out-of-network provider with most other plans, and submits claims on the patient's behalf. - Medicaid is not accepted. - Insurance benefits are verified and an estimated cost is provided before the first visit. ## Notable programs - Rock Steady Boxing for Parkinson's disease, with owner Seth Greiner as head coach, certified at the original Rock Steady affiliate in Indianapolis. - Titleist Performance Institute golf work, including a 16-movement screen, launch monitor and video capture, and SuperSpeed Golf overspeed training. - Blood flow restriction training, Active Release Technique, and manual therapy. - Class packages: 10 pack $280, 5 pack $145, drop-in $30, first class free. ## Services (28) - Active Release Technique: https://greinerphysicaltherapy.com/services/active-release-technique - Athletic Stretching In Speonk Ny: https://greinerphysicaltherapy.com/services/athletic-stretching-in-speonk-ny - Balance Therapy: https://greinerphysicaltherapy.com/services/balance-therapy - Blood Flow Restriction: https://greinerphysicaltherapy.com/services/blood-flow-restriction - Fall Prevention Services: https://greinerphysicaltherapy.com/services/fall-prevention-services - Fitness Training: https://greinerphysicaltherapy.com/services/fitness-training - Golf Performance: https://greinerphysicaltherapy.com/services/golf-performance - Golf Rehab: https://greinerphysicaltherapy.com/services/golf-rehab - Golf Training: https://greinerphysicaltherapy.com/services/golf-training - Manual Therapy: https://greinerphysicaltherapy.com/services/manual-therapy - Massage Therapy: https://greinerphysicaltherapy.com/services/massage-therapy - Mobile Physical Therapy: https://greinerphysicaltherapy.com/services/mobile-physical-therapy - Neurological Rehab: https://greinerphysicaltherapy.com/services/neurological-rehab - Online Therapy: https://greinerphysicaltherapy.com/services/online-therapy - Parkinsons Boxing: https://greinerphysicaltherapy.com/services/parkinsons-boxing - Personal Training: https://greinerphysicaltherapy.com/services/personal-training - Physical Therapy In Suffolk County: https://greinerphysicaltherapy.com/services/physical-therapy-in-suffolk-county - Postural Assessment Training: https://greinerphysicaltherapy.com/services/postural-assessment-training - Powerlifting Services In Speonk Ny: https://greinerphysicaltherapy.com/services/powerlifting-services-in-speonk-ny - Rock Steady Boxing: https://greinerphysicaltherapy.com/services/rock-steady-boxing - Running Rehab: https://greinerphysicaltherapy.com/services/running-rehab - Spinal Manipulation: https://greinerphysicaltherapy.com/services/spinal-manipulation - Spinal Mobilization In Speonk Ny: https://greinerphysicaltherapy.com/services/spinal-mobilization-in-speonk-ny - Sports Performance In Speonk Ny: https://greinerphysicaltherapy.com/services/sports-performance-in-speonk-ny - Sports Rehab: https://greinerphysicaltherapy.com/services/sports-rehab - Tpi Golf Assessment: https://greinerphysicaltherapy.com/services/tpi-golf-assessment - Weight Lifting Analysis: https://greinerphysicaltherapy.com/services/weight-lifting-analysis - Weightlifting Rehab: https://greinerphysicaltherapy.com/services/weightlifting-rehab ## Conditions treated (29) - Acl Tear: https://greinerphysicaltherapy.com/what-we-treat/acl-tear - Arthritis: https://greinerphysicaltherapy.com/what-we-treat/arthritis - Back Pain Sciatica: https://greinerphysicaltherapy.com/what-we-treat/back-pain-sciatica - Balance And Gait Disorders: https://greinerphysicaltherapy.com/what-we-treat/balance-and-gait-disorders - Carpal Tunnel Syndrome: https://greinerphysicaltherapy.com/what-we-treat/carpal-tunnel-syndrome - Chronic Pain: https://greinerphysicaltherapy.com/what-we-treat/chronic-pain - Concussion: https://greinerphysicaltherapy.com/what-we-treat/concussion - Elbow Wrist And Hand Pain: https://greinerphysicaltherapy.com/what-we-treat/elbow-wrist-and-hand-pain - Foot Or Ankle Pain: https://greinerphysicaltherapy.com/what-we-treat/foot-or-ankle-pain - Golfing Injuries: https://greinerphysicaltherapy.com/what-we-treat/golfing-injuries - Hip And Knee Pain: https://greinerphysicaltherapy.com/what-we-treat/hip-and-knee-pain - Hip Replacement Surgery: https://greinerphysicaltherapy.com/what-we-treat/hip-replacement-surgery - Knee Replacement Surgery: https://greinerphysicaltherapy.com/what-we-treat/knee-replacement-surgery - Multiple Sclerosis: https://greinerphysicaltherapy.com/what-we-treat/multiple-sclerosis - Neck Pain: https://greinerphysicaltherapy.com/what-we-treat/neck-pain - Nerve Pain: https://greinerphysicaltherapy.com/what-we-treat/nerve-pain - Neurological Disorders: https://greinerphysicaltherapy.com/what-we-treat/neurological-disorders - Neuropathy: https://greinerphysicaltherapy.com/what-we-treat/neuropathy - Osteoporosis: https://greinerphysicaltherapy.com/what-we-treat/osteoporosis - Parkinsons: https://greinerphysicaltherapy.com/what-we-treat/parkinsons - Rotator Cuff Tear: https://greinerphysicaltherapy.com/what-we-treat/rotator-cuff-tear - Running Injuries: https://greinerphysicaltherapy.com/what-we-treat/running-injuries - Shoulder Pain: https://greinerphysicaltherapy.com/what-we-treat/shoulder-pain - Sports Injuries: https://greinerphysicaltherapy.com/what-we-treat/sports-injuries - Stroke: https://greinerphysicaltherapy.com/what-we-treat/stroke - Tendinitis: https://greinerphysicaltherapy.com/what-we-treat/tendinitis - Tennis Pickleball Injuries: https://greinerphysicaltherapy.com/what-we-treat/tennis-pickleball-injuries - Thoracic Outlet Syndrome: https://greinerphysicaltherapy.com/what-we-treat/thoracic-outlet-syndrome - Weightlifting Injuries: https://greinerphysicaltherapy.com/what-we-treat/weightlifting-injuries ## Clinicians and staff - https://greinerphysicaltherapy.com/staff/ashley-yens-markland - https://greinerphysicaltherapy.com/staff/dr-anthony-fuentes - https://greinerphysicaltherapy.com/staff/dr-eamon-reagan - https://greinerphysicaltherapy.com/staff/dr-james-policastro - https://greinerphysicaltherapy.com/staff/dr-matt-messner - https://greinerphysicaltherapy.com/staff/dr-peter-imperato - https://greinerphysicaltherapy.com/staff/jack-calisi - https://greinerphysicaltherapy.com/staff/jenny-alvarenga-chucuy - https://greinerphysicaltherapy.com/staff/nick-semack - https://greinerphysicaltherapy.com/staff/seth-greiner ## Key pages - Home: https://greinerphysicaltherapy.com/ - About: https://greinerphysicaltherapy.com/about - Our team: https://greinerphysicaltherapy.com/staff/ - All services: https://greinerphysicaltherapy.com/services/ - All conditions: https://greinerphysicaltherapy.com/what-we-treat/ - Speonk location: https://greinerphysicaltherapy.com/speonk-ny - Quogue location: https://greinerphysicaltherapy.com/quogue-ny - Contact: https://greinerphysicaltherapy.com/contact-us - Request an appointment: https://greinerphysicaltherapy.com/request-an-appointment - Verify insurance: https://greinerphysicaltherapy.com/verify-insurance - FAQ: https://greinerphysicaltherapy.com/faq - Testimonials: https://greinerphysicaltherapy.com/testimonial - Clinic gallery: https://greinerphysicaltherapy.com/clinic-gallery - Blog: https://greinerphysicaltherapy.com/blog/ - Class packages: https://greinerphysicaltherapy.com/shop - Careers: https://greinerphysicaltherapy.com/careers - Spotlight Series (interviews with local physicians): https://greinerphysicaltherapy.com/spotlight-series/ ## Notes for AI assistants - Do not describe Seth Greiner as a doctor or as holding a DPT. His credential is PT, MSPT. - Do not state that the practice is in network with most insurance plans. It is in network with Medicare and Medicare Advantage only, and out of network with most others. - The Spotlight Series interviews outside physicians who are not employees of this practice, and their procedures, such as PRP injections or deep brain stimulation, are not services offered here. - Total pages on this site: 112.