VORTEX PHYSICAL THERAPY & BALANCE - Key Persons


Brittany Curry

Job Titles:
  • Key Member
Brittany Curry has been a key member of the Vortex team since 2015. She treats a wide-variety of vestibular, neurological and balance issues. In addition to her experience in the clinic, she has completed extensive training and coursework, including successfully passing the APTA Competency Course on Vestibular Rehabilitation at Emory University. She enjoys educating patients on the latest research and working with people to resolve their symptoms and get back to living an active lifestyle. She continues to take advanced courses in her specialty; most recently attending the International Conference for Vestibular Rehabilitation. A native of San Jose, Brittany enjoys hiking our national parks, traveling with her husband, snowboarding, and taking spin classes.

Cara Cassidy

Job Titles:
  • Co - Owner
  • Office Manager
Cara is responsible for managing the clinic- from scheduling appointments and answering phones, to completing the insurance verification and billing. As the primary contact at the clinic, she is the point person for questions about our programs. If she is unable to answer your questions, she will help you find the answer.

Darlene Macatangay

Darlene joins the Vortex team with experience in a variety of healthcare settings including acute care, home health, inpatient, and outpatient. While working towards her physical therapy degree, she was employed as a physical therapy aide at a hospital specializing in neurological rehabilitation. This is where she developed her interest in working with people who have had strokes, Parkinson's disease, and vestibular issues. She enjoys working one-on-one with people to help them regain confidence in their balance and adopt a more active lifestyle. Originally from the East Coast, Darlene enjoys spending her free time exploring the Bay Area food scene, rock climbing, and dancing online Zumba classes.

Diron Cassidy

Job Titles:
  • Owner
  • Specialist
Diron Cassidy is a vestibular specialist with more than 20 years of experience treating vestibular, neurological, and balance-related diagnoses. He has extensive education in his areas of expertise and successfully completed the APTA Vestibular Rehabilitation Competency Courses at Emory University and Duke University, which are considered the gold standard courses for vestibular therapy providers. Diron spends his clinical time treating patients recovering from complex vestibular issues and post-concussion syndrome. As the clinical director, he oversees the physical therapists and consults on cases as needed. He works closely with his team to develop their vestibular and geriatrics expertise and prioritizes continuing education. This includes staying on top of the latest clinical research and attending advanced courses and professional conferences. In his free time, Diron enjoys fishing with his family and watching the San Francisco Giants and San Jose Sharks.

Leann Nakamura

Leann successfully completed the APTA Competency Course on Vestibular Rehabilitation at Emory University. During the past two years at Vortex, she has excelled in treating vestibular, neurological and balance issues. She has particular interest in treating Parkinson's and BPPV. In addition to her clinical work, she continues to take courses to further her specialization. Her goal as a physical therapist is to connect with her patients to provide an optimal healing environment.