Moorestown, NJ

Opened in January of 2015, come check out our Moorestown, NJ practice!  We offer personalized therapy in a friendly and comfortable environment in our Moorestown office.  We try to make utilizing our services convenient for our patients as we offer hours early morning, midday, and after work.  We are conveniently located on Marter avenue, halfway between Main Street and Wegman’s.  We are within a half mile of the intersection of I-295 and route 38.  Jim Trakis is the therapist at our Moorestown location.  He keeps the rehabilitative process efficient and positive.  With over twelve years of experience, Jim is committed to providing the highest quality of patient first care.  Our support staff is enthusiastic about making your experience at Fortius hassle free.  They take care of everything from making sure you understand your insurance benefits to making you a vitamin drink and playing your favorite song (come in on Friday’s if you like 80’s music!).

In addition to physical therapy we offer one on one sports conditioning and injury prevention programs for athletes at the Moorestown location.  We provide gait evaluations for runners at our Moorestown location and falls prevention evaluations for individuals with balance impairments, as well.  We are also proud to coordinate off-season conditioning/ injury prevention programs for baseball players at the Moorestown Friends School and on individual basis for overhead athletes in the area.  We are here to make you rehabilitative process as awesome as possible so give us a call!

Our Staff

Our physical therapists offer you a wealth of experiences, as well as personal experience just like yours.

Dr. Jim Trakis

Owner/Physical Therapist

Dr. Jim Trakis has been in the physical therapy/ sports medicine field since 2003. He graduated from Gettysburg College with a BA in Biology in 2000, and completed his doctoral degree in physical therapy at Drexel University thereafter. As part of his training, he completed an extended clinical internship specializing in the application of manual physical therapy techniques. Jim has since garnered over 13 years of experience treating orthopedic and sports medicine related injuries. He specializes in understanding how your injury affects your life and generating the most specific rehabilitative program for you. He utilizes an eclectic combination of manual therapy techniques, therapeutic exercises, taping techniques, and modalities to help restore function. He is also a Graston trained clinician and routinely uses video analysis software to help diagnose movement dysfunction in patients as part of his repertoire.

Jim opened Fortius Physical Therapy, in New York City in 2008 and opened a second office in Moorestown, New Jersey, in January of 2015. He currently manages both locations. In addition to providing physical therapy services, Jim helps coordinate sports medicine coverage and off-season conditioning/ ACL injury prevention programs for the New York Athletic Club. Injury prevention has always been an interest of Jim’s. In 2006-2008 he carried out a study to gain further understanding of the association of muscle strength imbalances and throwing related injuries in pitchers. He subsequently published the results as the lead author in The American Journal of Sports Medicine. He is currently working with the local baseball players to integrate this these principles in an effort to maintain health and performance throughout the year. Jim is a certified sportsmetrics trainer as well. Sportsmetrics is an ACL injury prevention regime geared at keeping athletes in running and cutting sports healthy. He enjoys working with motivated individuals across the lifespan in an effort to help them achieve their goals!

Jim, his wife, and three children live in Moorestown New Jersey. He enjoys being involved in his children’s activities and watching them grow up! Jim is active with his children as a travel baseball coach, soccer coach, and flag football coach. He stays busy himself in local adult basketball and softball leagues and enjoys running.

Angela Castaldi-Berger

Billing Manager

Angela Castaldi Berger has been the billing manager at Fortius Physical Therapy since the opening day in 2008. She and Jim worked together previously, and when he started the new practice she was the first member of the new team. She handles all of the bills and claims, and is available to answer questions that patients may have. She aims to help make the medical claims process as seamless as possible.


Elizabeth Petrie, MSPT

Physical Therapist

Elizabeth Petrie has been a sports medicine physical therapist since 1996. After graduating from Hahnemann University (Drexel) in 1993 she worked at Thomas Jefferson University Hospital rotating through the oncology, spinal cord injury, acute care, orthopedic, and outpatient departments. In 1996 Beth was recruited by mainline health & fitness, in Bryn Mawr, PA, to be the director of the outpatient orthopedic physical therapy clinic. Beth managed the outpatient physical therapy & osteoporosis center. She treated individuals with spine injuries, pre & post-partum women for Sacroiliac dysfunction, and people with other typical orthopedic injuries from head to toe.

Beth subsequently moved to Virginia Beach, VA Beth and took a 14 year sabbatical to raise her 2 children. She reemerged into the PT work force in 2013. Her first job was working with Brian Hoke, DPT, SCS, a world renowned physical therapist based in Virginia Beach. Beth is originally from the Southern New Jersey & moved back to the area in 2014. Shortly thereafter she began working as a physical therapist in the Virtua outpatient health system. Beth joined the team at Fortius in March of 2017 and is excited to be part of our team!

Beth’s focuses on the rehabilitation of injuries as well as the prevention of further dysfunction. Good posture, a strong core, & proper body mechanics are points of emphasis in her rehabilitative programs. Her hands on, goal oriented, no nonsense approach allows the patients to recover, return to their previous level of function, and prevent re-injury. Beth enjoys an active healthy lifestyle & encourages her patients to do the same. “Do what you have to do, so you can do what you want to do” is one of her favorite quotes.

Beth & her 2 children live in Delran. Her son is a senior & her daughter a sophomore at Moorestown Friends School. Both children are active in team sports & theatre. Kid’s injuries rehabilitate quickly in a home where mom is a physical therapist!!!

Sean Gault

Office Manager

Sean originally began as an intern for Fortius Physical Therapy’s Moorestown location. He officially joined the staff in June of 2016, contributing to office management as well s assistance with patients. He is currently a senior Kinesiology major at Temple University and is exploring the many potential career options that his education may provide. Sean is a passionate sports fan, especially when it comes to ice hockey. He played ice hockey for two seasons as a captain at Rutgers Camden before transferring, and playing one season with Temple. Sean is also a huge fan of seeing live music and traveling as much as possible.


Sue Kerrihard

Office Manager

Sue has always had a passion for health and fitness, that she incorporates into her own life style, while working out at least 3 times a week at the local YMCA. Sue was drawn to Fortius because of the opportunity to aid in helping people reach their ultimate goal of healing. Sue holds a BFA in Visual Communications from the University of Kansas but was born and raised in New Jersey. She enjoys the positive and fun environment of Fortius and building a relationship with the patients, all while being friendly and encouraging.

Quinn Mehigan

Office Manager/Aide

Quinn Joined Fortius in February 2017. Currently Quinn is completing his Bachelor of Science in Exercise Science and Sport Studies at Rutgers University, New Brunswick where he will will graduate in May and pursue a Doctorate of Physical Therapy in the future. Quinn played club lacrosse at Rutgers and will be coaching Marlton’s Rec program in the Spring. His favorite part of the job is all the planks he gets to do with all of the awesome patients of Fortius.