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About

Orthopaedic Institute of Southern Illinois (OISI) is a Herrin, Illinois-based musculoskeletal medical practice offering orthopaedics, spine/neurosurgery, interventional pain management, podiatry, and related services (MRI, X-Ray, physical therapy, occupational therapy, DME, and ambulatory surgery). They operate 5 offices in Illinois (Herrin HQ; Chester; Carbondale; SIU Student Health Center in Carbondale; Harrisburg). The practice, founded in 2001, has 8 employees and provides access via multiple phone numbers and a walk-in option. If you’re seeking a physical therapist or an orthopaedic surgeon in Herrin or nearby Illinois locations, OISI is a local option with radiology and therapy services integrated into musculoskeletal care.

Clinic Type

Occupational Therapy

Address

The Orthopaedic Institute of Southern Illinois (multiple locations in Southern Illinois; specific address not provided in excerpt)

Phone

618-984-2484

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Orthopaedic Physical Therapy
  • Work Conditioning
  • Hand Therapy
  • Sports Medicine
  • Aquatic Therapy
  • Manual Therapy
  • Graston Technique
  • Kinesio Tape Technique
  • Blood Flow Restriction (BFR)
  • Orthopaedic Rehabilitation
  • Biomechanical Analysis
  • Muscle Performance Testing
  • Joint Bracing and Taping
  • Foot Orthotic Fabrication
  • Gait Analysis and Training
  • Injury Prevention Training
  • Fitness/Wellness Programs
  • High School Sports Outreach
  • Sport Enhancement Program
  • Physical Therapy
  • Occupational Therapy (?)

Team

  • Bryan G. Anderson — Team Member
  • Amanda L. Brazis, D.P.M. — Team Member
  • Treg D. Brown — Team Member
  • D. David Davis, M.D. — Team Member
  • J. Michael Davis — Team Member
  • J.T. Davis — Team Member

Insurance & Payment

By appointment only

Languages Spoken

  • English

FAQs

Schedule Your Physical Therapy Appointment

Patients are seen by appointment only. Contact our orthopaedic doctors in Illinois to schedule your appointment or call any of our locations below:

How to contact for appointments

Contact the Therapy Department at the Orthopaedic Institute of Southern Illinois, (618) 984-2484, to schedule an appointment or speak to a therapist.

What Patients Say

Overall sentiment across review platforms: mixed

  • Vitals: 4.4/5 (7 ratings)
  • Healthgrades: 4.2/5 (5 ratings)
  • WebMD: 3.5/5 (20 ratings)
  • WebMD: 4.0/5 (6 ratings)
  • Healthgrades: 3.0/5 (2 ratings)

Patients praise

  • Professional and thorough surgical explanations
  • Friendly and attentive staff experiences reported by some patients
  • High satisfaction with surgical outcomes for specific procedures like joint replacement

Common complaints

  • Concerns about staff follow-up and appointment clarity in some cases
  • Varied patient experiences regarding bedside manner and wait times

"Dr JT Davis & his staff were great from start to finish. Very friendly & took the time to answer all questions & explain things thoroughly. Amazing bedside manner."

Vitals

"I am a walking testament to his Superior Surgical Ability!!! Thank you Dr. Mike Davis !!!"

Healthgrades

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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