Neuromuscular Disorders

Disorders and Services

ALS, Muscular Dystrophy, Peripheral Neuropathy, Myopathy and Myositis, Myasthenia Gravis, CIDP, Spinal Muscular Atrophy, Charcot Marie Tooth Disease, Neurotoxin Injections for Dystonia and Spasticity

Overview and Mission

The Neuromuscular Clinics provide diagnosis and treatment for a variety of neuromuscular disorders in children and adults. We also provide expert electrodiagnostic evaluation (EMG and Nerve Conduction Studies) for children and adults. We are home to Southern Arizona's only ALS clinic; a multidisciplinary clinic that specializes in the diagnosis, treatment, and research of amyotrophic lateral sclerosis (ALS or Lou Gehrig's disease).

Clinics in the Neuromuscular Program:

  • Muscular Dystrophy Association (MDA) clinic
  • Amyotrophic lateral sclerosis (ALS) clinic
  • General Neuromuscular Clinics
  • Children's Clinic for Rehabilitative Services (CCRS)
  • Electromyography (EMG) and Neuromuscular Ultrasound testing
  • EMG and Ultrasound guided neurotoxin injections (“botox”)


  • Katalin Scherer, MD
  • Holli Horak, MD

​Contact Us

Appointments: (520) 694–8888
Local MDA:    (520) 850-4085