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Troy Freiheit, DC

Dr. Troy Freiheit, a 1987 graduate of Northwestern Health Sciences University, operates private practices in Scottsdale and Phoenix, Ariz. He is also the founder of continuing-education provider PI Pro; for more information, contact Troy at troy@pipro.net.

Previous Articles

Severe Post-MVA Injuries That Can Be Challenging to Diagnose (Pt. 2)
April 1, 2026 (Vol. 44, Issue 4)

Severe Post-MVA Injuries That Can Be Challenging to Diagnose (Pt. 1)
March 1, 2026 (Vol. 44, Issue 3)

9 Delayed-Onset MVA Injuries (Pt. 3)
March 1, 2025 (Vol. 43, Issue 3)

9 Delayed-Onset MVA Injuries (Pt. 2)
February 1, 2025 (Vol. 43, Issue 2)

9 Delayed-Onset MVA Injuries (Pt. 1)
January 1, 2025 (Vol. 43, Issue 1)

Stroke and the Motor-Vehicle Accident: Clinical Safeguards
April 1, 2024 (Vol. 42, Issue 04)

Traumatic Central Disc Herniation
December 1, 2023 (Vol. 41, Issue 12)

The Flexion-Distraction Test
March 1, 2023 (Vol. 41, Issue 03)

Diagnosing Acute Disc Herniation With the Follow-Up X-Ray (Pt. 2)
June 1, 2022 (Vol. 40, Issue 06)

Diagnosing Acute Disc Herniation With the Follow-Up X-Ray (Pt. 1)
May 1, 2022 (Vol. 40, Issue 05)

A Spinal Cord Injury That Can Be Hard to Spot
August 1, 2016 (Vol. 34, Issue 14)

Diagnose Sprain Injuries in MVA Cases With Dynamic X-Rays (Pt. 2)
December 1, 2015 (Vol. 33, Issue 23)

Diagnose Sprain Injuries in MVA Cases With Dynamic X-Rays
November 15, 2015 (Vol. 33, Issue 22)

Troy Freiheit, DC

Troy Freiheit, DC

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Should You Be In-Network or Out-of-Network With Insurance?
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It’s a new year and many chiropractors are evaluating what will enhance their respective practices, particularly as it relates to their bottom line. One of the most common questions I get is: “Do I need to be credentialed to bill insurance, and what are the best plans to join?” It’s a loaded question – but one every DC ponders. Whether you're already in-network or pondering whether to join, here's what you need to know.

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A 36-year-old female presented on Nov. 18, 2025, with lumbar pain and left lower extremity radiculopathy. Following a comprehensive history, physical examination, and radiographic evaluation to assess anatomical and biomechanical factors, an immediate lumbar MRI was ordered due to the patient’s radiculopathic symptoms and clinical findings.

Mark Studin, DC, FPSC, FASBE(C), DAAPM; Timothy Clare, DC, FPSC(C)
Billing / Fees / Insurance
Guidelines vs. Care: Bridging the Gap
Guidelines vs. Care: Bridging the Gap

What happens when best practices for patient care fall outside what guidelines endorse or insurance will cover? More importantly, how can clinicians ethically and effectively integrate non-reimbursed services that improve function, reduce disability and support long-term outcomes? These are not just clinical questions; they are economic and policy challenges that directly affect practice viability and patient access.

Christopher Proulx, DC, PhD(ABD), CSCS
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