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If you have been injured in a car accident or work-related Injury, contact our full service clinic today.

Our leadership team at Alliance Medical Center has assembled a world-class group of doctors and medical professionals who specialize in a wide range of post-accident care. From the treatment of soft tissue to injuries that require interventional pain management to orthopedic and spine surgery – we have you covered.

Donald D. Dietze, MD FAANS 


Donald D. Dietze, MD, is a board certified Neurological Surgeon who has been practicing for over 25 years in Lacombe & Metairie. His scope of practice includes general adult neurosurgery with a special emphasis on complex spine and minimally invasive spinal surgery. He routinely performs complex spine surgery using minimally invasive techniques with the latest proven technology. It is because of his outstanding reputation that Dr. Dietze can easily and accurately use the most minimally invasive techniques for simple as well as complex cases. This minimizes postoperative pain and significantly reduces recovery time.

John Logan, M.D.

Orthopaedic Spine Surgeon & Interventional Pain Management

Dr. John Logan, MD is an orthopaedic surgery specialist who has been practicing for 32 years. He graduated from Medical College of Georgia School Of Medicine in 1988 and specializes in orthopedic surgery and minimally invasive neurological spine surgery. He enjoys treating patients with spinal disorders and pain disorders. He specializes in minimally invasive approaches to the spine.

Kevin Darr, M.D.

Orthopaedic Surgeon - Extremities

Dr. Kevin Darr is a national leader in orthopaedic medicine and is currently studying alternative treatments for orthopedic conditions. He is proud to bring Louisiana access to Cellular Therapy through his numerous IRB approved research studies. His research in this field is respected across the nation, as he is invited to train other doctors on these procedures.

Steve Lee, MD

Interventional Pain Specialist 

Dr. Steve Lee is Board Certified from The American Board of Anesthesiology in Anesthesiology and Pain Medicine. He grew up in New York and is a graduate of the Washington University School of Medicine in St. Louis. He completed both his residency and fellowship training at Harvard Medical School. Dr. Lee offers the latest in interventional pain modalities including ultrasound-guided and fluoroscopically guided procedures, peripheral nerve ablation, and the latest advances in spinal cord neuromodulation/surgical techniques.

Ken Ehrhardt, MD

Interventional Pain Specialist 

Dr.  Ehrhardt   is Board Certified in the specialties of pain management and anesthesiology.  Graduate of LSU School of Medicine in New Orleans, Louisiana. Internal Medicine Internship and Anesthesiology Residency from LSU School of Medicine in New Orleans, Louisiana, where he served as Chief Resident.  Dr. Ehrhardt chose to continue his education and pursue a Pain Medicine Fellowship at Harvard Medical School in Boston, Massachusetts.   The specialty of Interventional Pain Management affords him the potential for long-term rewarding relationships with his patients. 


Dr. Ken Ehrhardt was born and raised in River Ridge, Louisiana and is happy to treat his fellow Louisianians who suffer from chronic pain. During his spare time, Dr. Ehrhardt is an avid runner. Prior to medical school, he was a letterman on the Jesuit High School and LSU Cross Country and Track Teams.

Dr. Ehrhardt is a Double Board-Certified Pain Medicine Physician from The American Board of Anesthesiology in Anesthesiology and Pain Medicine.

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Patricia Morgan, MD


Dr. Morgan provides treatment for neurological diseases, concussion or traumatic brain injury, spinal conditions, central, autonomic, and peripheral nervous system disorders.


Dr. Morgan completed her residency in neurology and a fellowship at Jackson Memorial Hospital in Clinical Immunology In addition to two years of transplant surgery critical care medicine.


Dr. Morgan is board certified in neurology and licensed in the state of Louisiana and Florida.


Dr. Erin Dixon, DPT

Orthopedic Physical Therapy

As an orthopedic physical therapist, Dr. Dixon has extensive experience treating a wide variety of populations including those seeking treatment for general musculoskeletal impairments, balance training, post operative rehab, neurological disorders, return to sport, and injury prevention.


Maria Muro

Maria Muro

Practice Manager

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Barbara Marhafer, CPA

B2B - Chief Financial Officer

Olivia Lawdins

Olivia Lawdins

Account Manager

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