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. Cory McKinnon
Doctor of Physical Therapy
Director & Owner Gilbert, AZ
Certified in Spinal Manipulation
Therapy and Dry Needling
Gilbert Clinic
Dr. Corey Brinton
Doctor of Physical Therapy
Residency Trained & Board Certified
Orthopedic Specialist
Certified Vestibular Rehabilitation Specialist
OAPT Operations Officer
Mesa & Casa Grande Clinics
Dr. Kyle Cherney
Doctor of Physical Therapy
Board Certified Orthopedic Specialist
Certified in Dry Needling
Orthopedic Residency Director
Casa Grande & Gilbert Clinic
Dr. Britnie Hornsby
Doctor of Physical Therapy
Director of Pelvic Health/The Pelvic Docs
Certified Vestibular Rehabilitation Specialist
OMT Candidate
Phoenix & Scottsdale Clinics
Dr. Samantha Perry
Doctor of Physical Therapy
Residency Trained & Board Certified Orthopedic Specialist
Certified Vestibular Rehabilitation Specialist
Certified in Dry Needling
Casa Grande Clinic
Dr. Kyle Flood
Doctor of Physical Therapy
Residency Trained & Board Certified Orthopedic Specialist
Certified in Dry Needling
Director of Phoenix Clinic
Dr. Ashley DeRamos
Doctor of Physical Therapy
Pelvic Floor Specialist
Orthopedic Residency Trained
Certified in Dry Needling
Dr. Ashley Berry
Doctor of Physical Therapy
Orthopedic Residency Trained
Certified in Dry Needling
Dr. Josh Nelson
Doctor of Physical Therapy
Certified in Dry Needling
Dr. Monica Szeto
Doctor of Physical Therapy
Orthopedic Residency Trained
Certified in Dry Needling
Dr. Lydia Durnil
Doctor of Physical Therapy
Certified in Dry Needling
Dr. Allison Valladolid
Doctor of Physical Therapy
Ashley Evenson, PTA
Physical Therapist Assistant
Vanessa Shaw, PTA
Physical Therapist Assistant
Meet Our Staff
Gaylene Flannagan
Human Resources/Accounting Director
Mrs. Reenea Hernandez
Administrative Operations Manager
Leane Irvin
Physical Therapy Technician
Dianielle Madrid
Physical Therapy Technician
Cynthia Hernandez
Physical Therapy Technician
Lydia Ramirez
Front Office Assistant
Chelsi Sorensen
Patient Specialist
Denise Soto
Front Office Administrator
Jazmyn Cortright
Patient Coordinator
Dakota Dilger
Digital Media/Systems Director
Rocio Davila
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