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
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Dr. Cory McKinnon
Doctor of Physical Therapy
Director & Owner Gilbert, AZ
Certified in Spinal Manipulation
Therapy and Dry Needling
Gilbert, Alta Climbing Gilbert & Casa Grande 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. Kyle Cherney
Doctor of Physical Therapy
Board Certified Orthopedic Specialist
Certified in Dry Needling
Orthopedic Residency Director
Gilbert & Casa Grande Clinics

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
Gilbert & Casa Grande Clinics

Dr. Kyle Flood
Doctor of Physical Therapy
Residency Trained & Board Certified Orthopedic Specialist
Certified in Dry Needling
Director of Phoenix Clinic, Casa Grande Clinic

Dr. Ashley DeRamos
Doctor of Physical Therapy
Pelvic Floor Specialist
Orthopedic Residency Trained
Certified in Dry Needling
Men & Women's Pelvic Health
Gilbert Clinic

Dr. Ashley Berry
Doctor of Physical Therapy
Orthopedic Residency Trained
Certified in Dry Needling
Casa Grande & Phoenix Clinics

Dr. Josh Nelson
Doctor of Physical Therapy
Certified in Dry Needling
Casa Grande Clinic

Dr. Monica Szeto
Doctor of Physical Therapy
Orthopedic Residency Trained
Certified in Dry Needling
Casa Grande Clinic

Dr. Lydia Durnil
Doctor of Physical Therapy
Certified in Dry Needling
Casa Grande Clinic

Dr. Allison Valladolid
Doctor of Physical Therapy
Casa Grande Clinic

Dr. Alyssa Moran
Doctor of Physical Therapy
Women & Men's Pelvic Health
Phoenix 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

Ashley Evenson, PTA
Physical Therapist Assistant
Gilbert & Casa Grande Clinics

Vanessa Shaw, PTA
Physical Therapist Assistant
Gilbert & Casa Grande Clinics
Meet Our Staff
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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

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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