Our Physical Therapists & Aides

Ruth Kaplan, Physical Therapist at Progression Physical TherapyRuth Kaplan, Physical Therapist

Ruth Kaplan grew up in Western Massachusetts and moved to New Jersey in 2001. She holds a Doctoral Degree in Physical Therapy from Dominican College of Blauvelt in Orangeburg, New York. She has over twenty-five years of clinical experience in various rehabilitation settings.

Ruth has pursued continuing education in various fields with a special interest in manual therapy. Her primary area of specialty is outpatient orthopedics including treatment of back and neck pain, joint pain, postural dysfunction, ergonomics, fall prevention, gait/balance disorders, decreased functional mobility, and general clinical practice. She is an active member in the following professional organizations:

Joanna Belsky, Physical Therapist at Progression Physical TherapyJoanna Belsky, Physical Therapist

Since 1993, Joanna has been providing expert physical therapy care to patients across a range of practice areas. After graduating Magna cum laude from the University of Scranton, Joanna began her career at Kessler Institute for Rehabilitation. She then spent several years as a Navy spouse, practicing  in several different types of orthopedic and pediatric physical therapy settings. Through this experience she had the unique opportunity to work closely with clinicians who have expertise in manual therapies and continue her education and clinical training in the areas of myofascial release, structural integration, and craniosacral technique. She enjoys working with individuals of all ages, helping them to achieve their fullest potential. Joanna resides in Hopewell Borough with her husband and two sons. She enjoys spending time with her family, running, yoga, hiking, and ice cream.

Danelle Dumhart, Aide at Progression Physical TherapyDanelle Dumhart, Aide

In her early years Danelle lived on Long Beach Island, NJ and has worked as a beach lifeguard there for several summers (explaining her love of the ocean!) She attended middle school and high school in Pennington, NJ. Danelle graduated in 2013 with a degree in Biology from Florida Atlantic University in Boca Raton, Florida. Along with loving all things involving the ocean, she also loves children and works in the children’s program at Homefront in Ewing, NJ. Her future plans include attending graduate school for Occupational Therapy and going scuba diving in the Red Sea.

Oliva, Aide at Progression Physical TherapyOlivia Horgan, Aide

Olivia graduated in 2013 from the University of Miami  with a degree in kinesiology. Her future plans include going to graduate school in a physician assistant program. Along with working as a PT Aide, Olivia is an EMT at the Princeton First Aide and Rescue Squad and also works in a local restaurant (that rhythms with geiger gale.) In her free time she enjoys Latin dancing, traveling, yoga, running, cooking (and eating!)


Tyler, Aide at Progression Physical TherapyTyler Nkadi, Aide

Tyler was born and raised in Princeton, NJ. He is currently in the Physical Therapist Assistant Program at Mercer County Community College. Along with working as a PT Aide, he assists people with in their homes with mobility, with performance of their exercise programs, and with their transportation needs. His hobbies are running, playing any sport,  listening to music, and walking his dog Christine. He is a cheerful addition to our staff and patients love him even when he tells them they have more exercise to do!

Evelenia Popa, Biller at Progression Physical TherapyEvelenia Popa, Biller

Evelenia is a graduate of New York School for Medical Assistants and Administrators. She has over 20 years of experience as a Certified Medical Biller dealing with Medicare/Medicare Secondary and most commercial health insurance companies. She keeps informed with all the insurance policy changes, which occur often in the insurance world. She is pleasant and smart, and her knowledge translates well into her ability to communicate with each patient and their specific health care plan so the necessary treatment can be given without bureaucratic interference.