Jeffrey Haggquist, DO

Medical Director

Dr. Haggquist is a trained physical medicine and rehabilitation physician with a focus in musculoskeletal and sports medicine. His hands-on approach, including manual manipulation, is a hallmark of osteopathic medical treatment.

Dr. Haggquist completed his residency training at Temple University Hospital in Philadelphia, PA, his osteopathic internship at the University of Medicine and Dentistry of New Jersey, and his medical education at Kansas City University of Medicine and Biosciences.   

Dr. Haggquist has studied with Aaron Mattes for more than 20 years, is a national specialist in the Mattes Method of Active Isolated Stretching (AIS), and conducts educational workshops and seminars on flexibility, strength, and neuromuscular re-education.

Chris McIlvaine, DPT, OCS, CSCS

Physical Therapist, Education Director

Chris is a native of Alexandria, VA attending Bishop Ireton High School. He then attended The University of South Carolina and graduated with a Bachelor of Science degree in Exercise Science. Following his undergraduate degree, Chris attended physical therapy school at Touro College in Bay Shore, NY. He was the Valedictorian of his physical therapy class and recipient of Touro College’s Highest Achievement in Clinical Excellence Award.

Chris has a special interest in sports and golf rehabilitation but enjoys treating patients of all ages with different Orthopedic, Musculoskeletal, and Neuromuscular conditions. He is a NSCA Certified Strength and Conditioning Specialist and Titleist Performance Institute Certified Level 1 practitioner. He uses functional movement patterns to assess and create a strategic plan to address the mobility or stability problems that are negatively impacting the body as a whole.

Kay Sobey, MPT, COMT, FAAOMPT

Physical Therapist

Kay was born and raised in Japan and moved to the US to go to college. She graduated from Central Washington University with BA in Biology and California State University Northridge with Master’s in Physical Therapy. She has been interested in Manual Therapy since the beginning of her career and has completed Orthopedic Manual Therapy Residency and Fellowship through Ola Grimsby Institute and she is a Certified Orthopedic Manual Therapist and Fellow of American Academy Orthopedic Manual Physical Therapists.

She has enjoyed treating various body parts and diagnoses. She also has experience working with young athletes with spinal fracture, cyclists with bike fitting issues as well as hikers with knee, ankle, hip and back issues. Kay enjoys seeing the progress her patients make and returning to activities.

Kevin Kenny

ACSM-CPT, AIS Therapist

Kevin is a staff AIS therapist and certified personal trainer through the American College of Sports Medicine (ACSM). He integrates training programs with the Mattes Method of Active Isolated Stretching and Strengthening emphasizing core strength, soft tissue trigger and tender point therapy, and overall flexibility. Prior to his professional interest in fitness and rehabilitation, he was Project Manager and Senior Business Analyst for a major national publishing company.

Andrea Morales

LMT, AIS Therapist, CMLDT

A graduate of the Arizona School of Massage Therapy in Phoenix, Andi has Board Certification for massage therapy, National Sports Massage Certification and extensive training in Active Isolated Stretching (AIS) and Strengthening.  A busy mother of three, Andi believes that training and intuition are both key to successful therapeutic massage. She brings a gentle demeanor and a heart centered approach to her profession. She is currently working on her Personal Training and Dynamic Neuromuscular Stabilization Certification.

Jacob Parsky

Practice Administrator

Jacob Parsky holds a BS in physics from the University of Maryland and a BA in music from Macalester College. He recently completed a pre-medical post-baccalaureate program at the University of Maryland, College Park. He will be applying to medical school in the next few years and is working to become a physician.

In his free time, Jacob enjoys playing piano and guitar, reading, and running games of Dungeons and Dragons with friends.

Merin Thomas

Assistant to the Medical Director

Merin Thomas holds a B.S. in Public Health from the University of Massachusetts Amherst. She also earned a certificate in Civic Engagement and Public Service from UMass Amherst. She will be applying to medical school in the next few years and is working to become a physician. 

In her free time, Merin enjoys reading, exploring museums, and various crafts (knitting and glass flameworking are recent favorites). 

Arianna Haymon

Patient Relations Coordinator

Arianna assists with administrative and front desk duties here at QuistMD. In 2021, she graduated from Winthrop University with a bachelor’s degree in Exercise Science. Arianna spends her free time roller-skating or watching Marvel movies with friends. Moving forward, she hopes to attend graduate school with a concentration in Public Health and Health Equity.

Connor Howse

Lead Patient Relations and Billing Coordinator

Connor provides front desk administrative support at the clinic and aspires to become a physical therapist. He completed his Bachelor’s Degree from Ursinus College. He played soccer there and is an avid fan of the sport.