Mandarin

Johnny Barthel , OT, CHT

Bachelor of Science specializing in Biology and Psychology (Samford University)
Master’s degree in Occupational Therapy (University of Alabama of Birmingham)

Johnny Barthel, OT, CHT

Johnny is an Occupational Therapist with more than 12 years of experience. While at Samford University, he played football. Since finishing school, he has worked in a variety of settings. While in the outpatient setting, Johnny found a love for hand therapy and pursued his hand certification. Currently, he works as a CHT at the JOI Mandarin Clinic where he focuses on upper extremity rehabilitation.

Jared S Ernest, MPT

Bachelors of Science from West Virginia University in 1991 and Masters of Physical Therapy from Slippery Rock University in 1994

Jared Ernest has been practicing as a licensed physical therapist for 20 years with a focus on sport and orthopedic rehabilitation. Jared was the manager of the Point Meadows clinic for many years.  He now is at our JOI Rehab Mandarin Clinic as a clinician.

Kat Estrada, PTA

Bachelor of Science in Family, Youth, and Community Sciences (University of Florida, 2015)

Associate of Science in Physical  Therapy Assistant (Florida State College of Jacksonville, 2022)

Kat Estrada is originally from Naples, Florida and graduated from the University of Florida with a Bachelor of Science in Family, Youth, and Community Sciences in 2015. Afterwards, she moved to Jacksonville, FL and became a licensed PTA in the fall of 2022 after attending the PTA program at Florida State College at Jacksonville. Kat is currently a float PTA for JOI and helps with coverage at all of our locations. In her free time, she enjoys spending time outdoors, traveling, and hanging out with friends and family. Kat is also passionate about CrossFit and coaches in her spare time.

Amanda Garland, DPT, ATC

Bachelor of Science in Athletic Training (University of North Florida, 2005)
Doctor of Physical Therapy (University of North Florida, 2009)

Amanda Garland currently works in the outpatient physical therapy setting.  Amanda also works with local high school athletic teams and injured players in the clinic.  She has been employed with JOI since 2006.  Amanda is a physical therapist and a certified athletic trainer at the JOI Rehab Mandarin location.

Charslesetta Johnson, Site Coordinator 

Charslesetta Johnson has been working in the Physical Therapy industry for over 19 years. She has been with Jacksonville Orthopaedic Institute Rehabilitation for the last 13 years. Charlesetta has held several positions over the past 13 years and is currently the Site Coordinator at our Mandarin Rehabilitation Clinic, Supervisor of our Rehab Data Entry Dept., and our Clinical Coordinator for student interns.

Belinda Kirkland, DPT CHT ATC

Belinda Kirkland has been a practicing Physical Therapist for 31 years. She specializes in Hand and Upper Extremity Rehab and Pain Management utilizing Dolphin Neurostim. She became a Certified Athletic Trainer (ATC) in 1996, and a Certified Hand Therapist (CHT) in 1998. She served as the Head Athletic Trainer and Physical Therapist for the Roar of the Jaguars Professional Cheer Squad from 1998 to 2020. She joined the JOI Rehab staff in 2008 at the Mandarin facility opening.

Belinda Kirkland Education:

Bachelor of Science in Physical Therapy – Summa Cum Laude (Florida A&M University, 1990)
Doctor of Physical Therapy (University of St Augustine for Health Sciences, 2010)

To schedule with an appointment, please give our Mandarin Office at call at 904-288-9604 or request an appointment at JOI.net.

Trina McDonald, Data Entry

Trina Mcdonald has been with JOI since 2016. She loves to make people smile and feel welcome.  Trina currently works in the JOI Rehab Mandarin Physical Therapy Clinic.  She is part of the data entry team for all of the 12 JOI Rehab Clinics in the area.

Ron Salazar MPT, ATC

Bachelor of Science in Health Sciences specializing Athletic Training (University of Florida, 1994)
Master’s degree in Physical Therapy (University of St. Augustine for Health Sciences, 1999)

Ron Salazar, PT

Ron Salazar has over 15 years of experience of working in an outpatient orthopaedic setting, where he focuses on spine rehab, sports physical therapy, and manual therapy techniques. Received Orthopedic Manual Therapy Certification through Florida Institute of Orthopedic Manual Physical Therapy (FIOMPT)-  December 2014.  Ron currently works at the JOI Rehab Mandarin Physical Therapy Center

Jennifer Stewartz, OT

Bachelor of Science in Physical Activity and Health with a Minor in Gerontology (Eastern Oregon University, 2012)

Master of Occupational Therapy (University of St. Augustine, 2021)

Jennifer Stewartz, Occupational Therapist

Prior to joining JOI, Jennifer Stewartz, OT worked at an outpatient clinic, working with various upper extremity orthopaedic conditions. She has worked in the outpatient setting since graduating from the University of St. Augustine. Jennifer found her passion for hand therapy in 2016 upon completing observation hours in this setting.  She is also interested in becoming a certified wound specialist and certified hand therapist in the future.  In her free time, she enjoys yoga, nature, hiking, kayaking, art, and spending time with her family.  She is currently treating patients at the Mandarin Rehab clinic.

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Sonya Thigpen, ATC

Bachelor of Science in Exercise and Sports Science (University of Florida, 2002)

For the past seven years, Sonya Thigpen has worked in outpatient orthopaedic rehabilitation. Sonya has been with JOI Rehab since the first clinic opened in 2003. She is actively involved in the JOI Sports Medicine Program. She serves as an assistant sports medicine director. Sonya Thigpen also helps with sports medicine coverage at the high school and collegiate level.

Sonya also works closely with the Jacksonville Juniors Volleyball Association (JJVA), helping to provide sports medicine coverage for all of their home tournaments.

Diane Carter, Front Desk

Diane Carter has worked in the physical therapy industry since 2002 and been with JOI since 2005. She has worked at several JOI Rehab locations. Diane enjoys taking trips to Disney and spending time with her granddaughter.

Pam Luh, Front Desk

Pam Luh has been with JOI since 2006 and has worked at several JOI Rehab locations. She enjoys spending time with her grandkids and going on cruises.