All of our Specialists at One Accord have pursued advanced post-graduate training beyond their doctorate level degree. They all have additional residency, fellowship, or certification training to provide a superior patient experience unlike any other in Arizona. Due to their expertise and unique approach to therapy, many teach across the UK and internationally.
Meet Our Clinicians
Dr. Sean O. Flannagan
Founder/CEO OneAccord PT
Doctor of Physical Therapy
Certified in Spinal Manipulation
Therapy and Dry Needling
Graduate Diploma in
Sports Extremity Manipulation
Certified Vestibular Rehabilitation Specialist
Member of Acupuncture Association
of Chartered Physiotherapists
Casa Grande, Scottsdale & Phoenix Clinics
Dr. Corey Brinton
Doctor of Physical Therapy
Residency Trained & Board Certified
Orthopedic Specialist
Certified Vestibular Rehabilitation Specialist
OAPT Operations Officer
Casa Grande Clinic
Dr. Britnie Hornsby
Doctor of Physical Therapy
Director of Pelvic Health/The Pelvic Docs
Certified Vestibular Rehabilitation Specialist
OMT Candidate
Prescott Clinic
Dr. Stephanie Werkau
Doctor of Physical Therapy
Pregnancy & Postpartum Corrective exercise specialist
Pediatric Pelvic Floor Specialist
Certified Orthopedic Manipulative Therapist
Women's Pelvic Health & Pediatrics
Gilbert Clinic
Dr. Lydia Durnil
Doctor of Physical Therapy
Orthopedic Residency Trained
Certified in Dry Needling
Casa Grande Clinic
Meet Our Staff
Gaylene Flannagan
Human Resources/Accounting Director
Mrs. Reenea Hernandez
Administrative Operations Manager
Leane Irvin
Physical Therapy Technician
Cynthia Hernandez
Physical Therapy Technician
Chelsi Sorensen
Patient Specialist
Denise Soto
Front Office Administrator
Dakota Dilger
Digital Media/Systems Director









