Our Staff

Locations: Stone Oak (210) 545-9355 | Medical Center (210) 593-0774

Clinical Staff

Sonia Guerra, PTA
soniaSonia earned her Physical Therapist Assistant degree from St. Philips College in 2005. She is currently working towards her Bachelor of Science in Occupational Education at Wayland Baptist University. Sonia has devoted her experience to Physical Rehabilitation Institute for over ten years. Professional Background

Rumiko Cahill, PTA
rumikoRumiko earned her Physical Therapist Assistant degree from Kapiolani Community College in 1989. She has worked in multiple settings during her career ranging from home health, outpatient orthopedic, acute impatient, burn and skilled cares. Professional Background

Joanna DeMao, PTA
joannaJoanna earned her Physical Therapist Assistant (PTA) degree from St. Philip’s College in 2013 and her bachelor’s degree in Exercise and Sports Medicine from Texas State University in 2006. Prior to earning her PTA degree, Joanna spent 6 years working as a physical therapy technican here at PRI. Professional Background

alyssaAlyssa Ramirez, PTA
Alyssa earned her Physical Therapist Assistant degree from Laredo Community College in 2014, and her Bachelors of Arts in Psychology at Texas A&M International University in 2011. Alyssa has practiced in a wide variety of settings, including home health, acute care, and outpatient orthopedics.

christyChristy Luttrell, PTA
Christy became a certified Massage Therapist at the Flint Therapeutic Massage School. In 2016 she graduated from Mott Community College with an Associate in Applied Science. Christy then became licensed as a PTA, and has more than two years experience in the outpatient setting.

Michell’e Binder, PTA


Administrative Staff

Stephanie Bussey, PT, MPT
Director of Operations
Stephanie BusseyStephanie graduated top of her class with a Master of Physical Therapy degree from the UT Health Science Center at San Antonio and Summa Cum Laude with a BS in Biomedical Sciences from Texas A&M University. She has primarily worked in outpatient settings, treating patients with orthopaedic and neurological dysfunctions. She now devotes her attention to her role as Director of Operations. Professional Background

Nancy McClung
Billing Administrator
nancyNancy has been with Physical Rehabilitation Institute since its inception. She served initially as the receptionist for our Stone Oak Location and, since 2002, has served as Billing Administrator, overseeing all aspects of PRI’s billing and collecting servies. Nancy has enjoyed more than 20 years of customer service and medical billing, specifically in the field of physical therapy. She is available to assist you with questions regarding your benefits and the filing of your claims.

Lynda Guerra
Administrative Assistant
Lynda has been a member of the Physical Rehabilitation Institute family since June of 2000. Lynda has more than 18 years of working alongside Dr Bussey. She served initially as out PT Tech, and is currently our administrative assistant. She is available to assist you with scheduling, insurance verification, and any other questions you may have about the practice.

Valerie Chavarria
Director of First Impressions, Medical Center Clinic
Valerie has more than 15 years experience working in the Physical Therapy setting. She has an Associates degree in Kinesiology from St. Philip’s College and a Bachelors degree in Kinesiology from the University of the Incarnate Word, where she currently teaches a Kinesiology night course since 2009. She enjoys working with patients and helping others.  

Araceli Salinas
Director of First Impressions, Stone Oak Clinic
Araceli is new to the Physical Rehabilitation Institute and brings with her a wealth of experience in the medical industry. After graduating from San Antonio College with an Associates in Medical Assisting, Araceli utilized her education and sought to expand her skill set gaining experience in both the pediatric and physical rehabilitation realms of the medical profession. Araceli has a passion for and excels at the coordinating of our patients medical needs.