Doctor of Physical Therapy, Shenandoah University
Graduate Certificate in Performing Arts Medicine, Shenandoah University
Bachelor of Science in Kinesiology, James Madison University

Brianna grew up as a competitive dancer and therefore has always been fascinated with the science behind movement. She blends this knowledge with her physical therapy skills in order to educate patients about their current condition. Brianna has experience in the outpatient orthopedic setting and is certified in performing arts medicine to help treat dancers, musicians, singers, gymnasts, cheerleaders, and figure skaters. In addition, Brianna enjoys working with the geriatric population to help maximize function and improve their quality of life.

Performing Arts Medicine
McKenzie Approach

Mulligan Concept
Proprioceptive Neuromuscular Facilitation (PNF)

Primus Physical Therapy Centreville - ​6101 Redwood Square Centre, Suite 202 Centreville, VA 20121

Physical Therapist

Physical Therapist

Doctor of Physical Therapy, University of St. Augustine
Bachelor of Science Child Development, California Polytech State University


Julie Johnson graduated in 2011 with a Doctorate in Physical Therapy from the University of St. Augustine in San Diego.  She is a native Californian; however, spent her middle-school and high school years in Boston, Ma.  Since graduating from PT school, Julie has worked in pediatrics, outpatient orthopedic and early intervention settings. She has been a therapist in East Africa, Michigan, Pennsylvania, California and Virginia. Her focus has been on pediatrics, orthopedics, vestibular and women’s health. She is passionate about helping individuals and families reach their goals.  When not in the clinic,  Julie enjoys spending time with her husband and two young kids, her dog, exercising and enjoying good food.

Vestibular Rehabilitation

Blood Flow Restriction

Women's Health

Post Surgical Rehabilitation

Brianna Virzi, PT, DPT

Physical Therapy Assistant


Bachelors of Fine Arts in Dance Performance, Brenau University

Associates in Applied Science of Physical Therapy Assistant, Northern Virginia Community College


Erica has experience in outpatient orthopedic settings allowing her to focus on patient’s individual needs in order to reach their goals in their journey towards recovery. She has an extensive background in performing and teaching dance styles as well as other movement based mediums. Erica uses her background to assist patients in their experience and understanding of how the body moves.  

Maitland Concept
Kinesio Taping
Pilates Based Core Re-training

Physical Therapist

Maria Nasralla, PT, DPT, COMT, CIDN

Meet the Staff

Erica Feriozzi, LPTA

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Primus Physical Therapy


Julie Johnson, PT, DPT

Bachelor of Science in Kinesiology, The Pennsylvania State University
Doctor of Physical Therapy, University of Miami


Maria is an orthopedic manual physical therapist with 9 years of experience.  She is certified in orthopedic manual therapy, integrative dry needling, and graston technique. She enjoys treating patients/athletes of all ages and activity levels. Maria formulates each individual treatment program to meet the patient's goals, implementing a mixture of manual therapy and functional exercises. In her free time, Maria enjoys playing with her dog Lilo,  running, dancing, visiting with family, and exploring the DC area with her boyfriend and friends. She is getting back into playing the piano, singing, and is occasionally learning guitar.


Certification in Orthopedic Manual Therapy
Certification in Integrative Dry Needling
Graston Technique
Post-surgical rehabilitation