With Quantum you matter!

New York Physical Therapist and Chiropractor

Since 2012, we’ve helped thousands of patients return to pain-free living with our personalized, hands-on approach to treatment.

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Quantum Physical Therapy & Chiropractic Care
Quantum Physical Therapy and Chiropractic Care New York

Quantum Physical Therapy & Chiropractic Care is an outpatient rehabilitation facility that caters to patients with Musculoskeletal injuries due to automobile accidents, slip and falls, workers compensation trauma and all other injuries. We believe in a hands-on, one-on-one personalized approach to therapy. Our mission is to deliver highly skilled and effective rehabilitative services to all of our patients. Our staff at Quantum Physical Therapy & Chiropractic Care strive to consistently provide excellent customer service along with expert clinical care. We value our patients and are proud that many of our patients recommend us to their family and friends. We form long-term relationships with our patients to provide the best of care and a lifetime of good health.

Our Team

Our Dedicated Doctors

Jason Birnhak

Dr. Jason Birnhak

Chiropractor

Johanna Castellano

Johanna Castellano

Physical Therapist

We Help You

Get Well Sooner!

Physical Medicine & Rehabilitation NY

Physical Medicine & Rehabilitation

Physical Therapy New York

Physical Therapy

Physical Medicine & Rehabilitation NY

Chiropractic

Interventional pain management NY

Interventional pain management

Orthopedics NY

Orthopedics

Acupuncture Valley Stream New York

Acupuncture

Massage Therapy New York

Massage Therapy

Electro Diagnostic Testing NY

Electro Diagnostic Testing

Computarized ROM & Muscle Testing NY

Computarized ROM & Muscle Testing

Physiatrist (PM&R) and Neurologists NY

Physiatrist (PM&R) and Neurologists

Satisfied Patients

Blog

Latest News & Events

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  • Chiropractic Care
  • Physical Theraphy
Chiro and PT for Shoulder Injury
June 29, 2026/

Shoulder pain can make even the simplest tasks feel impossible. Chiropractic care and physical therapy for shoulder injuries are two proven approaches that, when combined, may offer more complete recovery than either method alone.  Quantum Physical Therapy & Chiropractic Care, PLLC, a trusted chiropractor in New York, explains why these...

Rotator Cuff Injuries
June 22, 2026/

In this blog post, you’ll learn about common rotator cuff injuries, the risks of delaying treatment, and how physical therapy can help patients recover from accident-related shoulder trauma through non-surgical rehabilitation. Contact Quantum Physical Therapy & Chiropractic Care, PLLC, to schedule physical therapy after a car accident in New York....

Shoulder Pain After a Car Accident
June 15, 2026/

You walk away from a car accident feeling shaken but relatively okay, but then, a day or two later, your shoulder starts to ache. The force of a collision puts tremendous strain on your upper body, even in a low-speed crash. Since shoulder pain after a car accident can quietly...

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