Meet Our Team

Seung Hyuk Park, DPT (a.k.a. Joseph)

Seung Hyuk Park (Joseph) graduated from Western University of Health Sciences in Pomona, CA, with a Doctorate in Physical Therapy. He is APTA Credentialed Clinical Instructor and has experience in acute hospital setting and outpatient orthopedic for over 10 years. His goal has always been to continue to learn and develop effective skills and treatment plans to provide the latest and best physical therapy care that allows you return to what you love.


In his spare time, Seung (Joseph) enjoys tennis, camping, swimming, and spending time with his wife and two children.

Se Jin Son, DPT

(a.k.a. Jay)

Se Jin (known as Jay at the clinic) received his Doctorate of Physical Therapy in 2016 from Dominican College in Orangeburg, New York. While most of his experience is in a sports physical therapy, he also has abundant experience in a post-surgical orthopedic setting. Se Jin has a well-rounded view of the patient’s experience in all steps of the recovery process. Se Jin’s particular area of interest includes low back pain, shoulder pain, and sports rehab. He has taken The McKenzie Method of Mechanical Diagnosis and Therapy (MDT): Cervical and Lumbar Spine, which is a specialized treatment for low back and neck pain.   He has a certification as a Tennis Performance Trainer through the International Tennis Performance Association, and he is currently working on becoming a Certified Strength and Conditioning Specialist (CSCS) through the National Strength and Conditioning Association.

Se Jin is passionate about helping patients reach their goals by addressing them as individuals and challenging them to succeed in all aspects of their health. Outside of Physical Therapy, Se Jin enjoys playing tennis and spending time with his wife and kid.

Hosuk Lee, OTR/L

Hosuk is a licensed occupational therapist who specializes in hands at Prime Rehab Center of Fontana, CA. Hosuk graduated with a B.S. / M.S degree in Occupational Therapy from D’Youville College in Buffalo, New York. For over 15 years, Hosuk has worked with hundreds of geriatric/adult patients, designing and executing treatment plans for clients with a variety of diagnoses. Through the years, he has developed not only technical skills, but also necessary soft skills such as patience and clear communication. These experiences allow him to achieve success working with the diverse population at Prime Rehab Center. Hosuk emphasizes on providing education to patients and family members regarding their illnesses and the purpose of treatment as well as orthopedic precautions.

At Prime Rehab, Hosuk provides hand/upper extremity occupational therapy services to adult patients with diagnoses including carpal tunnel syndrome/release, trigger finger and trigger finger release, finger fractures, finger amputations, tendon lacerations and repair, Dupuytren's contracture, wrist fractures, lateral/medial epicondylitis, rheumatoid arthritis, osteoarthritis, shoulder arthroscopy, biceps tendonitis, rotator cuff disease/impingement/bursitis, etc. Hosuk is also affiliated with West Los Angeles Kaiser Permanente Medical Center outpatient hand clinic and he provides hand/upper extremity occupational therapy services to adult patients.


In his free time, Hosuk is passionate about exploring art, music, faith, and culture in general. Finding that the little things in life mean the most, Hosuk appreciates the beauty of simplicity.


message US


Tel. 909.365.3557

Fax. 909.658.8987

8545 Sierra Avenue

Fontana, CA 92335


Tel. 909.983.3557

Fax. 909.658.8985

527 N Palm Avenue, Suite 101

Ontario, CA 91762