Staff

Mark Manfredi, PT

Mark Manfredi, PT

Mark Manfredi PT is a co-owner of Advance Orthopedic & Sports Therapy, PC. He graduated from Quinnipiac College in 1980 with a Bachelor of Science degree in Physical Therapy.

Prior to opening Advance Orthopedic & Sports Therapy PC in 1988, he worked for Choate-Symmes Health Services, both as a staff physical therapist and as the physical therapy manager for the Regional Health Center in Wilmington.

His areas of clinical interest include the shoulder, foot and ankle. Mark was formerly the Chair of the Private Practice Section of the American Physical Therapy association of Massachusetts, and has also served as the chapter secretary.

While attending physical therapy school he met Mitch Guttentag, and together, they opened Advance Orthopedic & Sports Physical Therapy.

Mark is married with 3 children, and enjoys running, golfing and fishing.


Mithell Gottentag, MS, PT, ATC

Mitchell Gottentag, MS, PT, ATC

Mitchell Guttentag earned his Bachelor of Science degree in physical therapy at Quinnipiac College in 1980. While at Quinnipiac, Mitch played 4 years of Varsity Soccer.

Upon graduation Mitch began his clinical practice at Orlando Regional Medical Center for 2 years and then relocated to Rocky Mount North, Carolina to work in a private practice.

Following completion of graduate school, Mitch relocated to Massachusetts and opened Advance Orthopedic and Sports Therapy with Mark Manfredi in 1988.

While Mitch enjoys treating all spine and extremity dysfunctions, his clinical interest lies in the treatment of the shoulder, knee and foot/ankle joint.

Mitch finds rehabilitation of both pre- and post-surgical cases rewarding, assisting each patient in returning to their pre-injury level of function.

Mitch continues to keep his clinical skills up to date as he attends several continual education courses each year.

Mitch is married and has two children. In his spare time Mitch enjoys spending time with his family, working out, skiing, biking, playing and coaching soccer.


Heather Jones, PT, DPT

Heather Jones, PT, DPT

Heather received her Bachelor's degree in Exercise Physiology from the University of Massachusetts Lowell in 2010. She then went on to earn her Doctorate of Physical Therapy from the University of Massachusetts Lowell in 2013, and joined the staff of Advance Orthopedic and Sports Therapy in June of 2013.

Heather enjoys working with patients of all ages and diagnoses. She has a clinical background in:

  • Outpatient orthopedic and sports medicine,
  • Acute hospital care,
  • Rehabilitation of stroke & Traumatic Brain Injuries,
  • Amputations, pulmonary disease, wound care,
  • Post-surgical, trauma, and intensive care patients.

Heather was the recipient of the University of Massachusetts Lowell Clinical Excellence Award in Exercise Physiology for her work in strength and conditioning at the Institute of Performance and Fitness in Andover, MA.

Heather was a competitive figure skater for 13 years, and took her passion for the sport to a professional level when she became a Boston Bruin’s Ice Girl for the 2006-2007 season. She has also been an assessor for the US Figure Skating S.T.A.R.S. Performed Fitness Assessment for competitive figure skaters.

She continues to enjoy the sport recreationally, and also enjoys running and competing in road races. In the summer, she takes any chance she can get to go to the beach in Cape Cod where her family lives.


Carly Keafer, PT, DPT

Carly Keafer, PT, DPT

Carly first received her bachelor’s degree in Kinesiology with a concentration in Exercise Science from the University of New Hampshire in Durham, NH in 2012. Following graduation, she worked at AOST, for two years. In 2017 Carly earned her Doctor of Physical Therapy from the University of New England in Portland, Maine and rejoined the staff at AOST as a physical therapist.

Carly’s clinical interests involve manual therapy of the spine and peripheral joints, the evaluation and treatment of sports related injuries, gait/balance abnormalities, and postoperative rehabilitation of the spine, shoulder and knee.

Carly presented her graduate research work on “ACL injury prevention and yoga programs for adolescents” and “Pelvic floor muscle dysfunction and its relation to hip impairments” at several national physical therapy conferences.
In her spare time, Carly enjoys cooking, outdoor adventures, surfing, lacrosse, traveling, and spending time with friends and family on Cape Cod where she grew up.


Kiley McClellan

Kiley McClellan

Kiley’s primary responsibility at AOST is to coordinate the administrative care of our patients, to assist patients with insurance questions, and to accurately monitor patient benefits. She acts as the liaison between the office, insurance companies, and our billing company.

Kiley’s engaging personality makes each patient visit to AOST efficient and friendly.

Kiley has attended several courses on patient care issues, electronic media, and health care administration. Kiley enjoys spending time with family and friends.