Our Mission

To provide state-of-the-art, compassionate therapy services for children who have a variety of orthopedic, neurological, and developmental needs, with a focus on functional outcomes.

To provide these services in environments that are naturally occurring, yet structured for success.

To provide opportunities for children to practice skills in a safe, therapeutic environment so that transfer of skills across multiple environments is possible.

To recognize the family as an integral part of therapeutic services for children, with a focus on family education.

Call 603-224-4540  to schedule an appointment today!

Our History

Established in 1982, It’s Ability Pediatric Physical Therapy has always strived to nurture every child’s potential for success. We’ve grown to become the leading provider of pediatric physical therapy in the state of New Hampshire. We provide out-patient therapy in our 4,000 square foot facility in Concord, NH, and school-based physical therapy services throughout central New Hampshire. We’re also the primary provider of evaluations for wheelchairs, adaptive equipment, environmental modifications and home safety.

“When love and skill work together, expect a masterpiece.” - John Ruskin

Our Staff

It’s Ability Pediatric Physical Therapy is a team of passionate professionals who love helping our patients and their families.

Colleen A. Sullivan, PT, DPT, PCS

Colleen graduated from Quinnipiac University with a B.S. in Physical Therapy, and completed her Doctorate in Physical Therapy with Drexel University. Colleen was board certified in pediatrics with the APTA, and is a pediatric practitioner in neuro-developmental therapy (NDT) and hippotherapy. She has extensive experience in assistive technology, seating, mobility and home modification for children and adults with disabilities. Colleen works in a variety of pediatric settings, including schools, homes, and multi-disciplinary specialty clinics. Colleen’s entire career has focused on a holistic approach to integrating physical therapy into a therapeutic lifestyle for children and their families. She is happiest when children can experience their own power of participation and engagement with life. Colleen lives on her farm with her horses, alpaca, and dogs. She loves sharing farm life with her children, her cherished grandchildren and their families. She enjoys painting and the arts, riding Icelandic horses, and loves adventure.

Judy Quitadamo, PTA

Judy graduated from Becker Junior College with her PTA degree. She works in schools, in our clinic, as well as in the pool. Her favorite part about working with children is seeing their smiles and getting to play all day! Outside of work, Judy enjoys camping, sports, watching the Red Sox and Patriots games, and hanging out with friends and family.

Kelly Elrick, PT

Kelly graduated with a B.S. in Clinical Science and her M.S. in Physical Therapy from Ithaca College. She loves working with children of all ages and has done so in a variety of settings, including early intervention and in schools. She has also worked in out-patient orthopedics. Kelly believes that putting forth your best effort while having fun is important in all aspects of a child’s life. Along with spending time with her family, she enjoys reading, hiking, and kayaking.

Kelly Cleveland, PTA

Kelly earned her physical therapy assistant degree from the NH Vocational-Technical College in Claremont, NH in 1985Early in her career she worked in acute care hospitals, skilled nursing facilities, and outpatient orthopedic/sports medicine clinics. For the last 25 years, she has worked with pediatric patients in central New Hampshire schoolsShe has also worked with young people in aquatics, hippotherapy, and recently, Life Skills classes. Besides spending time with her husband and children, Kelly enjoys music, crafting, and kayaking. It’s Ability is the most fun she has ever had at work! 

Kathleen barry, pt, dpt

Kathleen, originally from Massachusetts, earned her Bachelor’s in Health Sciences and her Doctorate in Physical Therapy from Quinnipiac University. She became interested in physical therapy at a young age, when one of her close friends survived a traumatic brain injury. She worked as a personal care attendant for her friend and watched her go through many years of physical therapy to achieve a greater level of independence with her mobility. Kathleen is passionate about working with children and young adults, to help fulfill their goals and to live a happy, healthy life! Kathleen is certified in Dynamic Movement Intervention (DMI) – Level A. In her free time, she enjoys being with friends and family, cooking, crafting, reading, hiking, camping, and skiing. 

Jill taggett, PT, DPT

Jill earned her Doctorate of Physical Therapy from Quinnipiac University.  She has worked throughout Massachusetts and California, and in 2020 returned to her home state of New Hampshire. Throughout her travel and experiences, Jill has had the privilege to work with patients from 5 weeks old to 105 years old, but her true passion is pediatrics. She believes in working with children, their families and other members of the interdisciplinary team in order to provide the highest level of care and achieve goals that are functional and important to each individual through play-based therapy.  During her free time, Jill enjoys traveling, boating, scuba diving, and spending time outdoors with her dog, Mikka.


Sarah graduated from Sacred Heart University with a Bachelor’s in Exercise Science and her Doctorate in Physical Therapy. She has had the pleasure of working with patients as early as a few weeks old to over 100 years-old. Sarah’s favorite part about working with children is hearing their laughter and seeing their smiles, even when they are working hard. She enjoys spending time with friends and family, snowboarding, traveling, and hanging out with her dog, Murphy.

Jessica Henderson, PT, DPT

Jess earned her Bachelor’s in Health Sciences at the University of Central Florida and her Doctorate in Physical Therapy from Belmont University. She has been interested in pediatric physical therapy since high school, after watching her brother learn to ride a bike and participate in adaptive sports as a result of school and outpatient PT. She has been fortunate to work in pediatrics since graduating and has worked with children from birth to young adulthood with varying diagnoses, in both the school and outpatient settings. When she is not working, Jess enjoys being outside, exploring nature by hiking and kayaking. 

Katie Walters, PT, DPT

Katie graduated with her Doctorate of Physical Therapy from Northeastern University in Boston, MA. She has worked in clinical settings with both adult and pediatric populations; however, her passion has always been in pediatrics. Katie earned her Certification for the Neuro-Developmental Treatment (NDT) for Pediatrics in 2018 in Killeen, TX. She enjoys helping children of all ages and their families achieve greater independence in all aspects of life. When not working, Katie enjoys spending time with family and friends and being outside as much as possible!

Tammie Sullivan, PT, PCS

Tammie received her Physical Therapy degree from Quinnipiac University and has over 35 years of experience providing care for children. She is an APTA board-certified specialist in Pediatrics and is a consultant with the New Hampshire Special Medical Services. Tammie enjoys working with children with complex medical needs and has extensive experience in adaptive seating and equipment and home modifications. She has experience in working with children in schools, clinic, home and community environments. Tammie enjoys spending time with her family and is an avid Patriots fan. She adores her grandchildren and is always happy to share pictures and stories about them!

Jeff Elrick, PT

Jeff graduated from Ithaca College with a B.S. in Clinical Science and his M.S. in Physical Therapy. He has worked with patients from birth through young adulthood in home, school, community, and clinical settings. His areas of interest include pediatric fitness, bicycle training, and community-based recreation for all ability levels. He believes in celebrating each of life’s small successes, and that hard work and humor can go a long way in enriching a person’s life. Jeff enjoys spending time with his family and being active outdoors.

Kelsea Modelane, PT, DPT

Kelsea received her Doctorate in Physical Therapy from Franklin Pierce University, after completing her Bachelors in Health Science at Quinnipiac University. Kelsea has experience working with children from birth through young adulthood in schools, the clinic, homes, aquatic and hippotherapy settings, in the community and assisting with complex equipment needs. Kelsea enjoys working alongside children and their families to promote play, learning, motor development, and participation in daily activities all while having fun! While Kelsea loves to travel and go on adventures, her home has always been in New Hampshire. Kelsea enjoys spending time on her family farm, exploring new outdoor activities with her family, and stroller running with her children and dog. When she’s brave, Kelsea attempts to master cake decorating and DIY projects at home.

Katie Domenici, PT, DPT

Katie received her Doctorate in Physical Therapy after completing her Bachelors in Biology at Franklin Pierce University.  Katie has experience working with people from birth through adulthood in multiple settings, but has always had a passion for helping children achieve their goals using a family centered approach. Katie believes that everybody should have an opportunity to pursue or experience anything that brings them joy and enhances their lives. Katie has experience in aquatics, hippotherapy, school-based therapy, clinic-based therapy, wheelchair and equipment evaluation, and orthopedics/sports injuries. Her hobbies are crafting and reading. She especially enjoys spending time with her family, camping, reading, and going to the beach! 

Lynn Potter, PTA

Lynn received her Physical Therapist Assistant degree from Lasell Jr. College (currently, Lasell University) in Newton, Massachusetts.  She began her career working in a skilled nursing facility and in private orthopedic clinics.  She has been working in the schools for 30 years and feels fortunate to have found a job she loves, as well as blessed to be working with so many wonderful children.  Outside of work, Lynn loves spending time with her family and friends.  She enjoys being outside in the sun, whether at the ocean, kayaking, biking or even doing yard work. 

Jennifer Blagriff, PT, MSPT

Jennifer graduated from Northeastern University with her B.S. in Rehabilitation Science and her M.S. in Physical Therapy. She joined It’s Ability in 2006, and enjoys working with patients of all ages, including infants, toddlers, and young adults. She provides physical therapy at schools and in our clinic. Jennifer and her family love spending time outside!

Linda Lucas, OTR/L

Linda graduated from Quinnipiac University with a BS in Occupational Therapy and an MS in Occupational Therapy from the University of New Hampshire. She worked with adults in hospital and home health settings before making the decision to try Pediatric OT. She has loved working with children in school and clinic settings for the last 30 years.   Her areas of interest are in ocular motor/visual challenges, sensory processing issues, and utilizing an Active Learning approach when working with children with significant challengesLinda believes that OT should be fun and engaging yet offer the “just-right-challenge” to help a child grow and develop.   Linda enjoys horseback riding, vegetable gardening, raising beef cattle and making hay on their family farm and especially enjoying spending time with her 7 grandchildren.  


Bethany graduated from the University of Massachusetts Lowell with a Bachelor’s in Exercise Physiology and her Doctorate in Physical Therapy.  She later pursued her Master’s in Business Administration in Healthcare Management from the University of Phoenix. She loves working with children of all ages, and has had the opportunity to influence young lives in a variety of settings, including pediatric long-term care, public and private schools, outpatient clinics, a hippotherapy farm and a therapeutic summer camp program.  Bethany enjoys combining her passion for music, movement and imagination to inspire children to reach their goals.  She also loves spending time with her husband, teenage son and daughter, and her two dogs, especially while camping or enjoying the performing arts!

Jessica Southard, OTR/L

Jess received her BSN from the University of Virginia Nursing School and Occupational Therapy degree from Winston Salem State University.  Her background is primarily in adult care across many settings though she feels she has finally found her home in pediatrics. Jess has special interests in art, music, and travel.  She loves living in a rural town, enjoying the outdoors.  She has two daughters that keep her very busy!

Arin Lotter, PT, DPT

Call 603-224-4540 to schedule an appointment today!

Visit Us

134 Hall St Unit 1
Concord, NH 03301

Contact us

Phone: 603-224-4540
Fax: 603-228-7384
Email: info@itsabilitypt.com


Pediatric Physical Therapy Inc. is a privately operated business.  This website and its contents are intended for informational purposes only and are not intended to diagnose, treat, or otherwise advise on specific medical conditions.  Please talk to your health care provider for personalized information.