Welcome to Hands On OT
Paul Gerstenfeld, MS, OTR/L CHT 

Paul is a Certified Hand Therapist who earned a Master’s Degree is in Occupational Therapy with his undergraduate degree in Recreational Therapy, minoring in Psychology. He has been specializing in rehabilitation of the upper extremity for over 17 years now. He has taught English as a Second Language, Physical Education, Massage Therapy, worked in special education and with troubled youth. His clinical skills in concert with a rich multidisciplinary background helps him treat the person rather than the injury alone. 
Now as owner and operator of Hands On OT he has the freedom to personalize his treatments and partner with patient’s towards reaching their recovery goals.

Angela Chung, MS, OTR/L, CHT

Angela is an Certified Hand Therapist who earned a degree from the Master of Science in Occupational Therapy (MSOT) program at California State University Dominguez Hills. She began working in the field with the pediatric population to treat children with Autism Spectrum Disorder, Down's Syndrome, feeding difficulties, and developmental delays. She has since transitioned into hand therapy and has earned certifications for Physical Agent Modalities and Advanced Practice in Hand Therapy. She enjoys learning about the complexities of the hand and upper extremity, and has a passion for rehabilitating people to enable them to resume their meaningful activities.

Jamie Rosenblum, MS, OTR/L, PAMs

Jamie joins us from New York City where she earned her Master’s of Science in Occupational Therapy (MSOT) from New York University. She completed affiliations in Acute Inpatient Rehabilitation at New York Presbyterian-Columbia and in Outpatient Orthopedics at NYU Langone’s Center for Musculoskeletal Care. She continued specializing in rehabilitation of the hand and upper extremity at NYU Langone’s Center for Musculoskeletal Care following graduation and delivered a poster presentation at the 2016 AOTA conference entitled “Technology in Hand Therapy: Current Concepts in the use of Applications for Clinicians and Clients.” She continues to work towards becoming a Certified Hand Therapist, a goal of hers since 2006 when she sustained an injury that brought hand therapy into her life. Jamie is passionate about evidence-based practice and tailoring each session to the individual needs of her patients to maximize outcomes.

Dalia Ponce- Office Manager 
Dalia has 19 years of work experience primarily in Hand Therapy and Physical Therapy settings. She is customarily the liaison with patient between physician, insurance companies, workers compensation and scheduling appointments. As Physical Therapist Technician, she is available to assist with patients treatment when needed. She is a hard working office manager who partners with patients to keep all administrative issues behind the scenes running smoothly.


Hands On OT accepts most major insurances (PPO). We are in-network providers for Anthem Blue Cross, Blue Shield,
Access Medical Group (HMO), Saint John's Health (HMO), Medicare, Tri-Care and Workers Compensation insurances. For patients with Access Medical Group (HMO), Saint John's Health (HMO), or Workers Compensation cases, written prior authorization is needed. If we are not an in-network provider for your insurance plan, please allow us to check your out-of-network benefits. For further information or questions, please contact Dalia directly at

We accept Medical Liens on a case by case basis. Non insured patients are welcomed.

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