Staff Members

Foothills Neurology Staff


Stuart Hetrick, DO

Dr. Hetrick is a Board Certified neurologist with a subspecialty in the treatment of headaches. After obtaining his medical degree from Western Uni...

  • Head injury
  • CTE (chronic traumatic encephalopathy)
  • Dementia
  • Memory Loss
  • Dizziness and Lightheadedness
  • Fainting
  • Brain tumors
  • Myasthenia
  • Nerve Pain
  • Numbness and tingling

Scot Fechtel, MD

Dr. Fechtel started his career in Chiropractic Orthopedics graduating from Western States Chiropractic College. After practicing in chiropractic fo...

  • Headache
  • Neck pain
  • Back pain
  • Sleep apnea
  • Narcolepsy

Pritish Pawar, M.D., Ph.D.

Dr. Pritish Pawar, M.D., Ph.D. is Board Certified in Neurology and Clinical Neurophysiology. He attended B.J. Medical College in India. He did his ...

  • EEG or electroencephalography
  • Ambulatory EEG
  • Seizures
  • Epilepsy

Padma Mahant, MD

Dr. Mahant is a Board Certified Neurologist specializing in Movement Disorders. She graduated from the Medical College of Pennsylvania and complete...

  • Parkinson’s Disease
  • Huntington’s Disease
  • Movement Disorder
  • Tremor
  • Deep Brain Stimulation

Timothy Visser, ND

Dr. Visser is a Naturopathic Physician who offers alternative therapies to conditions such as chronic daily headache, fibromyalgia, and chronic fat...

  • Acupuncture
  • IV Vitamin Therapy
  • Fatigue
Lauren Bowen DO

Lauren Bowen, DO

Dr. Bowen specializes in the treatment of difficult to treat headaches, migraine, cluster and facial pain.

  • Migraine
  • Trigeminal Neuralgia
  • Pseudotumor cerebri
  • Cluster headache
  • Facial Pain
  • Botox

Eric J. Eross, DO

Dr. Eross is the Director of The Phoenix Headache Institute, Founder & President of Gila Sciences, INC; Assistant Clinical Professor at Midwest...

  • Dr. Eross specializes in headaches and has seen over 15,000 headache consultation patients.

Melinda Preston, DNP

Dr. Preston earned her Bachelor of Science in Nursing from the University of Cincinnati. She worked in psychiatric nursing as a staff nurse, charge...

  • Psychiatry
  • Depression
  • Bipolar
  • Anxiety
  • Stress

Leigh Gressley, MSN FNP-BC

Leigh is a nationally board certified Family Nurse Practitioner and a registered nurse. She earned her Master of Science in Nursing/ Family Nurse P...

Susan Hawrylkiw, MSN, FNP

Susan is a graduate of the University of Phoenix with her Masters of Science in Nursing / Family Nurse Practitioner. Susan has p...

Lauren Siniscalchi, FNP

Lauren Siniscalchi is a board certified Family Nurse Practitioner. She received her Master of Science in Nursing from Vanderbilt University in Nas...

  • Neurology
  • Cognitive Disorders

Amber McLouth, PA-C

Amber received her Master of Medical Science in Physician Assistant Studies from Midwestern University in Glendale, Arizona.

Before becoming...

Kristin Plyer, PA-C

Kristin received her Master of Medical Science in Physician Assistant Studies from Midwestern University in Downers Grove, Illinois. She recently m...

  • Migraine

Christine Simons, PA-C

An Ahwatukee native, Christine received her undergraduate degrees in genetics, psychology, and sociology from Arizona State University. She went on...

Jacob Whitney, PA-C

Jacob earned his Master of Health Science in Physician Assistant Studies from South College in Knoxville, TN.
He is a Chandler native who has...

Lisa Nelson, FNP-C

Lisa received her Masters of Science in Nursing from Grand Canyon University in Phoenix, AZ. She received her Bachelors of Science in Nursing from ...


Mary Diedrich, PT

Mary earned her degree in Physical Therapy from Grand Valley State University in Grand Rapids, Michigan. She has spent time working in Orthopedics,...

  • Physical therapy
  • Osteopathic manipulative therapy
  • Cranio-sacral therapy

Catherine O’Neill, MSN, FPN

Catherine O’Neill, MSN, FPN, received her Master of Science in Nursing from University of Phoenix. As a certified Family Nurse Practitioner, ...

JoAnn Richi, MC, LPC

JoAnn Richi is a Licensed Professional Counselor and Specializes in treating Anxiety.

JoAnn received her Master’s Degree in Counseling at ...

  • Anxiety
  • Stress Reduction
  • Emotion effects caused by other conditions
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