Our services

At a glance
  • Diagnostic Testing

    Nerve Conduction Studies Electromyography (muscle testing/EMG) Electroencephalography Readings (EEG) Lumbar Puncture Evoked Potential Ambulatory EEG’s (new service offered) Botox Injections for appropriate neurologic conditions Nerve Injections

  • Brainwave Testing

    EEG Testing The electroencephalogram (EEG), or brain wave, is a written record of the brain’s electrical activity. It is used to assist in the investigation of symptoms related to the Central Nervous System, i.e., seizures, blackouts, dizziness, headaches, confusion, or behavior problems. An instrument called an electroencephalograph registers tiny bits of electrical brain activity then prints […]

  • VNS-Vagus Nerve Stimulation

    There’s one vagus nerve on each side of your body, running from your brainstem through your neck to your chest and abdomen. With vagus nerve stimulation, a device is surgically implanted (by a neurosurgeon) under the skin on your chest. A wire is threaded under your skin connecting the device to the left vagus nerve. […]

  • Botox Injections

    This new and specialized revolutionary treatment has been very effective in helping select patients with diagnoses of migraines, headaches, dystonia, blepharospasm, torticollis, hemiplegia, muscle spasms, and multiple sclerosis.

Welcome to Lakeside Neurocare

Lakeside Neurocare Limited is proud to have been providing patients in the Oshkosh, Fond du Lac and surrounding communities in Wisconsin with highly specialized neurologic care for the past 40 years. Lakeside Neurocare was founded in 1976 by Kenneth M. Viste, Jr. Dr. Xian-Feng Gu, the current owner of Lakeside Neurocare, works tirelessly for his patients and is the advocate they need to help diagnose, treat, and live with their neurologic condition. Dr. Gu's career has been devoted and dedicated to treating patients with neurologic conditions.

  • Loss of bowel/bladder control
  • Neck pain
  • Back pain
  • Spinal discomfort
  • Confusion
  • Memory loss
  • Dementia
  • Head trauma
  • Headache
  • Dizziness
  • Vertigo
  • Altered Vision
  • Loss or alteration of taste
  • Loss or alteration of smell
  • Hearing loss
  • Tinnitus (ringing in ears)
  • Neuralgia
  • Limb Pain
  • Nerve compression
  • Carpal tunnel syndrome
  • Sciatica
  • Tremor
  • Seizure
  • Hyperactivity
  • Altered bodily sensation
  • Incoordination
  • Imbalance
  • Abnormal movements
  • Foot drop
  • Learning disability
  • Loss or alteration of consciousness
  • Difficulty walking

Our Staff

Providers With Over 40 years of experience
Dr. Xian-feng Gu, M.D.

Xian-feng Gu, M.D., joined Lakeside Neurocare in 1995 with a collaborative vision to provide patients with comprehensive neurology services as well as education and encouragement, and being an active partner in the management of their neurologic needs. Dr. Gu practices general neurology and has...

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Dr. Victor Diaz-Cotrina, M.D.

Victor Diaz-Cotrina, M.D., joined Lakeside Neurocare in 2009. Dr. Diaz lives in the Fond du Lac area. Dr. Diaz received his medical degree from the Universidad Nacional de Trujillo in Peru. Dr. Diaz performed his internship at Mount Sinai Medical Center in Florida and his residency at the University...

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Lacy Ihde, M.S.N., APNP-C

Lacy joined Lakeside Neurocare in June of 2014. Lacy is a graduate from Northern Michigan University with a Masters in Nursing. While attending school, Lacy worked as a flight nurse and in ICU – which required her to remain calm and act quickly and efficiently in...

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Our Philosophy

A patient that needs a neurologist, typically is faced with a chronic condition that will need periodic evaluation and on-going treatment. Some of these conditions are more debilitating than others. Whatever your neurologic condition, Lakeside Neurocare is dedicated to providing healthcare tailored to our patient's individual needs. This is accomplished through professional collaboration and teamwork with other healthcare providers and professionals, therapists, social workers and family members.