Physical Therapists

Matthew McNinney, PT, DPT
Education: 
University at Buffalo, 2008
Clinical Interests: Musculoskeletal and orthopedic injuries, joint pain, neck and back pain, post-surgical rehabilitation, neurological rehabilitation, stroke rehabilitation, gait and balance rehabilitation.

Rithea Vong, PT, DPT
Education: University of Nevada, Las Vegas, 2013
Clinical Interests: Orthopedic injuries, post-surgical rehabilitation (knee, shoulder, back, hips and ankle), strength and conditioning, falls prevention, gait and balance training.

Shelley Celeste In, PT, DPT 
Shelley is a Pediatric Certified Specialist and an APTA Credentialed Clinical Instructor, and is Adjunct Faculty at UNLV's Physical Therapy Program.
Education: University of Nevada, Las Vegas, 2009
Clinical Interests: Pediatric physical therapy – infants with a history of prematurity, torticollis, cerebral palsy, hypotonia, complex medical conditions, and developmental coordination disorder; kinesio taping for postural needs; TheraTogs; body weight supported treadmill training; gait training with adaptive aids; neuro-developmental treatment (NDT) facilitation and orthotics

Kiley Aki, PT, DPT
Education:
University of Nevada, Las Vegas, 2019
Clinical Interests: Pediatric physical therapy – torticollis, hypotonia, cerebral palsy, autism, chromosomal abnormalities, infants with a history of prematurity/NICU discharge, gait abnormalities, developmental delay, orthotics and assistive devices

Monica Lewis, PTA
Monica specializes in cranial sacral therapy and myofascial release.
Education:  College of Southern Nevada, Las Vegas, 1992
Clinical Interests:  Neurological rehabilitation, gait and balance training, post-surgical rehabilitation, orthopedic injuries 

Christine Derhake, PT, DPT, OCS, FAAOMPT, ATC

Christine Derhake, PT, DPT, OCS, FAAOMPT, ATC
Christine has advanced training as a Fellow of the American Academy of Orthopedic Manual Physical Therapists. She is a board-certified Orthopedic Specialist and certified Athletic Trainer.
Education: University of Nevada, Las Vegas, 2010
Clinical Interests: Musculoskeletal and orthopedic conditions addressed with manual physical therapy and exercise, post-surgical rehabilitation, orthopedic and sports injuries, gait and balance training

Kyle Vaughn, PT, DPT
Kyle is a Pediatric Certified Specialist and APTA Credentialed Clinical Instructor.
Education: University of Nevada, Las Vegas, 2016
Clinical Interests: Developmental delay, toe walking, pediatric orthopedic injury and surgery, prematurity of birth, post-NICU follow-up, torticollis, cerebral palsy, rare genetic conditions, chromosomal abnormalities, taping for postural correction, hypotonia

Occupational Therapists

Lisa Patterson, OTR/L, Department Manager
Lisa is a certified Stroke Rehabilitation Specialist. She has a modalities certification and additional education and specialized training in low vision therapy.
Education: Cleveland State University, 1999
Clinical Interests: Neurological rehabilitation, traumatic brain injury rehabilitation, stroke rehabilitation, vision and visual perceptual disorders, hand and wrist injuries

Ariana Korpela, MS, OTR/L
Ari is a certified Neuro Specialist, certified Stroke Rehabilitation Specialist, and certified in Neurologic Hand Therapy.
Education: The College of St. Scholastica, Duluth, Minnesota, 2015
Clinical Interests: Neurological rehabilitation, neurodegenerative rehabilitation, musculoskeletal upper extremity rehabilitation, pediatric developmental disorders

Jodie Taylor, OTR/L, CNT, CIMI
Jodie is certified in Sensory Integration and Praxis Tests. She has an Interactive Metronome Certification and Therapeutic Listening Certification. She is a board-certified Neonatal Therapist and certified Infant Massage Instructor.
Education: Utica College of Syracuse University, Utica, New York, 2000
Clinical Interests: Preterm infants, feeding (transitional and specialty), sensory integration

Speech Language Therapists

Margot Elmountassir, MA, CCC-SLP
Margot is certified in VitalStim and Talk Tools Therapy.
Education: Michigan State University, 1992
Clinical Interests: Traumatic brain injury rehabilitation, stroke rehabilitation, dysphagia, cognitive therapy, aphasia and apraxia

Cassandra Eisermann MS, CCC - SLP
Education:
Northeastern University, Boston, 2015
Clinical Interests: Pediatric language delays and development, motor speech disorders, dysphagia, neurological communication and cognitive disorders, autism spectrum disorders

Registered Nurses

Rebekah Ehler, RN
Becky is certified in advanced cardiac life support (ACLS) and basic life support (BLS).
Education: Lutheran Hospital School of Nursing, St. Louis, 1978 (associate degree); University of St. Francis (bachelor's degree)
Clinical Interests: Cardiology and cardiac rehab

Ellie Saenz de Tejada, RN
Ellie is certified in advanced cardiac life support (ACLS) and basic life support (BLS).
Education: Concorde Career Institute, LVN, 1997; College of Southern Nevada, Las Vegas, RN, 2013
Clinical Interests: Cardiology and cardiac rehab

Administrative Staff

Mercedes Vasquez

Claudia Molina
Claudia joined our team as the Outpatient Therapy front office coordinator in 2014. She has worked in the healthcare industry for over 22 years and has extensive knowledge of insurance verification of benefits and scheduling. She is passionate in providing the highest quality of customer service to every patient.

Mercedes Vasquez

Mercedes Vasquez
Mercedes earned her Medical Administrative Assistant certification from Pima Medical Institute in 2007. She has been in the medical field for over 15 years and brings a wealth of knowledge about scheduling and insurance protocols to Summerlin Hospital Outpatient Therapy. Mercedes likes to create a warm and inviting atmosphere at the front office so that patients always feel comfortable and welcomed.