About Us

The current staffing of OPT has grown significantly since 2008, when it began as a solo physical therapy group. Today, the therapy team includes six physical therapists (PT), one occupational therapist and three physical therapy assistants (PTA). The therapists have been providing care in the Loudoun County area and its community for many years.  Each therapist have their own style and technique and encourage you to work with whomever you feel most comfortable. Thank you for visiting Optimum Physical Therapy & Sports Medicine.

Cornwall Providers

Michelle McGregor, PT, DPT, graduated in 2005 with her Doctorate in Physical Therapy from Medical College of Virginia. Since then, Michelle worked primarily in outpatient Orthopedics as well as in home health Physical Therapy. She is trained in several manual techniques, including trigger point dry needling. Michelle enjoys spending time with her family, reading, running and practicing yoga during her time off.





Bryan Spillare, MPT, graduated from the Medical College of Virginia/VCU in 1994. Bryan has worked primarily in outpatient Orthopedics; but has also practiced in hospital-based outpatient, acute care and sub-acute/rehab settings. He has had advanced training in manual therapy, orthopedics and spinal conditions.






Jennifer Wagenbach, DPT, graduated in 2011 with her Doctorate in Physical Therapy from the University of New Mexico.  She completed her undergraduate work at the University of Wisconsin-La Crosse majoring in Exercise and Sport Science.   Jenny has been practicing in outpatient orthopedic clinics and prefers a hands-on approach.  She utilizes various manual skills including muscle energy technique and functional dry needling. In her spare time, Jenny keeps busy by chasing after her 3 children.







Anne Lowery, PTA, graduated from St. Petersburg College in Florida in 1991 with her Associate in Science, Physical Therapist Assistant Degree. Anne has many years of experience treating a variety of orthopedic, sports injury, traumatic injury and post operative patients. She also has experience treating patients in home health, skilled nursing facilities and acute care settings. Anne enjoys yoga, cycling and hiking during her time off.





Kathy Harter, LPTA, CMT, has been practicing physical therapy for 22 years and massage therapy for 15 years. Her experience has been primarily in outpatient settings treating patients from ages 10 to 80 plus years for varied diagnoses. It is important to her to educate the patients so they understand and comply with their treatment plan
and instruct in posture, body mechanics and ergonomics to promote a healthy way of life. She has several years of experience treating patients in the water and also rehab for our canine family members.





Andrea Pyle is an Occupational Therapist and has been with OPT since 2011. She graduated from Medical College of Georgia in 1991. She specializes in hand and upper extremity disorders/injuries including hand and wrist fractures, tendonitis, arthritis, carpal tunnel, tennis and golfer’s elbow, post surgical repairs, splinting needs, fine motor coordination and strengthening. Andrea has been working in the Leesburg/Ashburn area for over 18 years and enjoys a working relationship with many hand and Orthopedic surgeons. When she is not working, Andrea spends most of her time as a busy mom tending to her twins.


Purcellville Providers

Scott Hopson, DPT, is a graduate of Shenandoah University with a Doctorate degree in Physical Therapy. He has worked in outpatient & sports as well as geriatric home therapy settings with all ages ranging from children with developmental & activity limited disorders to a variety of adult conditions and injuries. He has conducted research and has experience in spine & pelvic dysfunction with ultrasonography, neuromuscular electrical stimulation, along with other advanced manual & exercise therapies.





Margo Lassiter, PT, graduated in 1983 from Loma Linda University in Southern California. She achieved her clinical specialist in Pediatrics in 1988 while working at Memorial Medical Center of Long Beach, where she also often took students as a clinical instructor in acute orthopedics. Before she moved to Virginia in 1997, she had worked in multiple settings including acute care, skilled nursing facilities, school settings, and outpatient rehabilitation. She is fluent in Spanish, and was recently accepted into the transition program at Shenandoah University where she plans to pursue her Doctorate in Physical Therapy.






Nona Phelps, BA, LPTA, graduated from George Mason University in 1992 with a BA and in 2000, an A.A.S. in Physical Therapy from NOVA. Nona has lived in Western Loudoun County for the past 15 years and has been practicing physical therapy in Purcellville for the last 13 years. Her clinical expertise is in outpatient Orthopaedics. She enjoys a hands on approach with her patients to achieve optimal outcomes. Her specialties are in manual techniques and taping.





A. Nicole Meravoglou, PTA, is a recent PTA graduate from Blue Ridge with a Bachelor of Science from West Virginia University’s School of Medicine with honors. Her clinical experience ranges from outpatient therapy, acute care, aquatic therapy, and sports medicine. Nicole has numerous certifications in a variety of health and fitness fields that help her provide the best treatment for each individual patient. As well as being a fitness enthusiast herself, Nicole likes to spend her free time with her Husky, Koda, traveling, and being around the water as much as possible. Nicole’s future plans include acquiring more clinical education and bridging to a DPT someday.


Optimum Physical Therapy
224-D Cornwall Street, NW
Suite 200
Leesburg, VA 20176

Hours of Operation:
Monday: 7am-6pm
Tuesday: 7am-8pm
Wednesday: 7am-8pm
Thursday: 7am-8pm
Friday: 7am-5pm


Optimum Physical Therapy
205 E. Hirst Road
Suite 201
Purcellville, VA 20132

Hours of Operation:
Monday: 7am-5pm
Tuesday: 8am-7pm
Wednesday: 7am-7pm
Thursday: 8am-7pm
Friday: 7am-3pm

Contact Info

(Office) 703-443-2223
(Fax) 703-443-2690

(Office) 540-751-4455
(Fax) 540-338-3230

Member, LMG Doctors