Danielle Knippenberg, PT, MPT, Cert.MDT, GCS, WCS, PRPC



Danielle is the proud owner of CORE 3 Physical Therapy since it opened in 2015. Her clinic has the unique opportunity to provide pelvic floor treatment in addition to treating common orthopedic conditions. She works with a variety of patients including women, men, and children treating symptoms such as pre and postpartum symptoms, generalized pelvic pain, sexual dysfunction, voiding/fecal dysfunctions and incontinence.

Lead Clinical Therapist

Caleb Knippenberg, PT, DPT, FAAOMPT, OCS, COMT, Cert. MDT, TPI



Caleb is the prouder owner of CORE 3 Physical Therapy.  Caleb’s continued pursuit of education lead him to obtaining his Doctorate degree in Physical Therapy from Temple University in 2016. He later obtained his Orthopedic Clinical Specialty degree recognizing his advanced knowledge in the field of Orthopedics. Caleb also received his Certificate of Orthopedic Manual Therapy after taking numerous courses related to mobilization and manipulation. He recently completed his fellowship at the American Academy of Orthopedic Manual Physical Therapists, which is a rare accomplishment in the field. Caleb is our lead clinical therapist and in charge of orthopedic treatment at CORE 3 Physical Therapy.

Physical Therapist

Laura Bishop, PT, DPT, ATC, EMT, LSVT BIG, OCS, Cert MDT, Cert. in Vestibular Therapy


Laura graduated from Temple University’s Physical Therapy program in May 2017. Her area of expertise is orthopedics and she is an orthopedic certified specialist (OCS) as well as a certified Mckenzie therapist. Laura is also a certified vestibular therapist.She studied under one of the top vestibular therapists during her time at Temple and applies what she learned here at CORE 3.

Physical Therapist

Catherine Apicella, MPT, PYT, PRPC


Catherine received her physical therapy degree from Columbia University and has over 15 years of experience in varied clinical settings, including acute care, pediatrics, and aquatics. Following the birth of her two sons, Catherine realized her true passion: pelvic floor health. She has since completed coursework in pelvic floor rehabilitation and received certification as a pelvic floor specialist through Herman and Wallace. She is also certified as a Professional Yoga Therapist and a Barefoot Rehab Specialist. She lives in Pipersville with her husband and 2 boys, and enjoys practicing yoga, reading, and exploring her surroundings in her spare time.

Physical Therapist

Rosie Strouse, PT, DPT, OCS, Cert. MDT


In 2018 Rosie earned her Doctorate of Physical Therapy from Temple University, specializing in both orthopedics and chronic neurological diagnoses. Her area of focus is in orthopedics as she recently became an orthopedic certified specialist (OCS) in 2020 while also being McKenzie certified. In her free time, she is a competitive cheer and tumbling coach, training all ages and levels. Her combined experience in physical therapy and competitive cheerleading allow her to better treat and understand sport-related conditioning and treatment.

Physical Therapist

Aaron Alderfer, PT, DPT, TPI Cert. 



Aaron graduated from West Chester University in 2015 with a Bachelor’s of Science in Kinesiology with a focus on Pre-Physical Therapy. In 2019 Aaron earned his Doctorate of Physical Therapy from Widener University where he earned a spot in the National Honor’s Society for his time spent working in the Chester Community Physical Therapy Pro-bono Clinic practicing his skills treating a variety of musculoskeletal and neurological diagnoses. Aaron completed a 10 week clinical rotation with CORE 3 Physical therapy prior to graduation, where he expanded his knowledge in orthopedics and manual therapy. Aaron has a focus in orthopedics and has professional goals to obtain further certifications in manual therapy including the MDT, COMT, and OCS.

Physical Therapist

Shannon Kalbach, PT, DPT

Shannon graduated with her Doctorate in Physical Therapy from Neumann University in 2019. She has past experience treating Neurologic patients across all spectrums with a special interest in stroke rehabilitation, but recently joined Core 3 as their newest pelvic floor therapist and is working toward her PRPC (Pelvic Rehabilitation Practitioner Certification). Her passion in PT is patient education, and functional interventions to help people reach their most meaningful goals.

Physical Therapist

Bill Dunne, PT, DPT


Bill graduated from Misericordia University with his Doctor of Physical Therapy in December of 2019. Before going to college, he grew up in Collegeville, PA with his parents and three younger siblings and attended Perkiomen Valley High School where he graduated in 2012. During his time at Misericordia, Bill volunteered at the university’s pro-bono clinic and at Rock Steady Boxing, which focuses on HIIT training with patients that have Parkinson’s Disease. He currently has an interest in orthopedic physical therapy and pain science education, which was his student research focus. It is currently Bill’s professional goal to obtain certifications in the McKenzie Method of Mechanical Diagnosing and Therapy, Orthopedic Specialist Certification, and Manual Therapy Certification.

Physical Therapist

Aase Pedersen, PT, DPT, LSVT BIG, RSB


Aase (pronounced “ACE-uh”) is a 2020 graduate of Arcadia University’s Doctor of Physical Therapy program and has a BA in Psychology from Temple University. During her work as an aide at a local PT clinic, she developed a passion for working with people with Parkinson’s Disease, which she has expanded with LSVT BIG and Rock Steady Boxing certifications. Her current focus at Core 3 is Pelvic Floor PT, in which she is continuously increasing her training and knowledge. In her free time, Aase likes to stay active with running and hiking, and she sings in The Philadelphia Chorus. She also teaches yoga and loves spending time with her soon-to-be husband, friends, and family.

Office Manager-Hatfield

Samantha Pagel, MBA

Sam graduated from Gettysburg College in 2015 with her Bachelor’s degree in Health Science. While at Gettysburg, Sam was a member of the Women’s Basketball Team while also serving as Captain her senior year. Sam gained interest in physical therapy through her love of sports and began gaining experience in the field as an exercise technician working in physical therapy outpatient facilities. She is now the Office Manager of CORE 3 Physical Therapy managing multiple areas of the clinic. In 2020, Sam earned her Master of Business Administration (MBA) graduate degree from Gwynedd Mercy University with a specialty focus in Healthcare Administration while also becoming a partner at CORE 3 in the same year. Sam became the Varsity Assistant Girls Basketball Coach at Perkiomen Valley High School in the 2020-2021 season. In her free time Sam loves going to CrossFit and spending time with her family. 

Office Manager-East Norriton

Sara Genuardi

Sara graduated from Arcadia University in May of 2016 with her Bachelor’s degree in Biology. Her interest in physical therapy stemmed from her lifelong dance career. She started dancing when she was young and continued taking classes throughout college. Sara taught ballet to younger kids, which sparked a passion for helping people improve in the journey toward reaching their goals. Working at CORE 3 has given her the opportunity to do that and more. In her spare time, she enjoys reading, trying out new restaurants and hiking.

Exercise Technician

Jessica Plageman

Jess graduated from Penn State University with a Bachelor’s degree in Biobehavioral Health. Her passion for helping others and physical health has led her to the field of Physical Therapy. She hopes to go back to school for her Doctorate of Physical Therapy. In addition to working at CORE3, Jess is a group fitness instructor at her local gym.

Exercise Technician

Clay Koniencki

Clay graduated from Monmouth University in 2019 with a Bachelor’s Degree in Health Studies. At Monmouth, Clay was a member of the University’s baseball team. His passion for physical therapy comes from his passion in helping others and his athletic career. Clay plans on getting his Master’s Degree in Athletic Training from Monmouth University starting in the summer of 2020. During the time before school, Clay hopes to learn more about overall health and wellness.

Exercise Technician

Alina Koniencki

Alina graduated from Perkiomen Valley High School in 2019. She now studies at Montgomery County Community College, majoring in Nursing. Her interest in physical therapy comes from her love of helping others. Working at CORE 3 has helped her gain more knowledge in her studies. In her free time, Alina enjoys working out, listening to podcasts, and painting.

Exercise Technician

Shannon Hurley

Shannon graduated from Temple University with a Bachelor’s of Science degree in Kinesiology in May of 2020. She plans to continue her education to become a DPT in the future. Her interest in PT stems from being an Irish dancer for 15 years and going through multiple physical therapy programs herself. She has also volunteered at medical daycares where she learned of her love for pediatric physical therapy, which she hopes to specialize in. Shannon hopes to gain more exposure and experience in the field of physical therapy in order to enhance her skills and education as a future physical therapist.

Front Office Receptionist - East Norriton

Mariah Bonaparte


Mariah joined the CORE 3 family in November 2020 and is currently attending the Lansdale School of Business working towards her associates degree in Medical Assisting. She has previous experience working in an opthlomology office, but she wanted a more rewarding career. Working directly with patients and helping others progress is what prompted her to search for a position in a PT setting. She has a three year old daughter who is her entire world. She loves being a mom, even with all its challenges. They love being outside and exploring the world together. 


Exercise Technician

Samantha Heintzelman


Samantha graduated from Lehigh Carbon Community College where she earned her Associate’s as an Occupational Therapy Assistant. Her interest in physical therapy comes from wanting to gain more knowledge in rehab and become a better interdisciplinary team member. Sam’s interests include walking her two dogs and traveling. 

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