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

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

Lauren Ibarra, DO

Dr. Lauren Ibarra (formerly Dr. Bowen) graduated from Michigan state university school college of osteopathic medicine and then attended University...

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

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.
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Charles Andrew Sales, MD

Dr. Charles Andrew Sales is a board-certified neurologist with expertise in neuro-otological disorders. After obtaining his medical degree from the...

  • Migraine/Headaches
  • Parkinsons Disease
  • Alzheimer Disease
  • Epilepsy
  • Stroke
  • Meniere Disease
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Paarth Shah, MD

Dr. Shah is a board-certified neurologist with specialty fellowship training in Movement Disorders. He is an Arizona native who grew up in the Ahwa...

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Maria Cristina Ospina, MD

Dr. Ospina is a movement disorders neurologist in private practice. During her medical career Dr. Ospina has been active in medical research, parti...

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Shubhangi Peche, MD

Care Philosophy

I strive to provide highest quality of evidence based care delivered ...

  • Pediatric Neurology
  • Pediatric Epilepsy

Melinda Preston, DNP

Dr. Preston provides evaluation, medication management, and psychotherapy for individuals, and provides couples or family therapy if indicated. Her...

  • Psychiatry
  • Depression
  • Bipolar
  • Anxiety
  • Stress
Heather Mccoy

Heather McCoy, DNP

Dr. Heather McCoy is an Adult Nurse Practitioner with the advanced degree of Doctorate in Nursing Practice. She is the founder and clinical directo...

  • Migraine headaches
  • Tension headaches
  • Cluster headaches
  • Post-Traumatic headaches
  • Medication Overuse headaches
  • Trigeminal Neuralgia
  • Cervicogenic headache
  • Hemicrania Continua
Leigh Gressley

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...

Lisa Nelson

Lisa Nelson, FNP-C

Before joining Foothills Neurology as a Nurse Practitioner, Lisa worked in cardiology and intensive care nursing in Chandler, AZ and Hartford, CT. ...

  • Headache
  • Migraines

Amber McLouth, PA-C

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

Before becoming...

Christine Simons

Christine Simons, PA-C

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

Dr. Mary E. Diedrich

Dr. Mary E. Diedrich, PT, DPT

Dr. Diedrich has 35 years of clinical experience in Physical Therapy, and has utilized Osteopathic Manipulative Treatments for most of those years ...

  • Physical Therapy
  • Osteopathic Manipulative Therapy
  • Cranio-Sacral Therapy

Catherine O’Neill, FNP-C, PMHNP-BC

Catherine O’Neill, FNP-C, PMHNP-BC, received her Master of Science in Nursing from University of Phoenix. As a certified Family Nurse Practit...

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Kristin Petcher, PA-C

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

  • Migraine
Ryan Ibarra

Ryan Ibarra, MA, LPC

Ryan graduated from Liberty University with a Bachelor’s Degree in Psychology. He did his graduate work in community counseling, earning his Mast...

  • Addictions
  • Anxiety
  • Stress Reduction
  • Depression
  • Self Esteem
  • Chronic Diseases

Yolande Eckrich, MMS PA-C

Yolande Eckrich received her Master’s degree in Medical Science as a Physician Assistant from Nova Southeastern University. She is passionate abo...

Jessica Grady

Jessica Grady, MS, CCC-SLP, CBIS

Jessica Grady started her practic...

  • Brain Tumors/Strokes/Aneurysms
  • Traumatic Brain Injuries
  • Memory related disorders
  • Work and School re-entry
  • Cognitive retraining
  • Autism Spectrum Disorders
  • Learning Disabilities
  • Chronic Diseases
Jacob Whitney

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 h...

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Kelley Hartman, PA-C

Kelley Hartman is a dedicated professional with an extensive background in behavioral health and a strong educational foundation. After proudly se...

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Jessica Satiroff, PA-C

Jessica Satiroff, PA-C, earned her Master’s Degree in Physician Assistant Studies from A.T. Still University in Mesa, AZ. Though she is a Wy...

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Amber Valenzuela, PA-C

Amber received her Master of Medical Science in Physician Assistant Studies from A.T. Still University in Mesa, AZ. She is an Arizona native and pr...

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Amanda Canizales, FNP

Amanda earned her Master’s degree as a Family Nurse Practitioner from Northern Arizona University. She has spent much of her nursing career i...

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Karla Lorincy, FNP

Karla Lorincy joined Foothills Neurology as a Nurse Practitioner after years of experience in nursing, including working with Foothills Neurology a...

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Nneka Aguwamba, MSN, PHMNP

Nneka Aguwamba, MSN, PMHNP earned her MSN from Grand Canyon University in Phoenix and her Psychiatric Mental Health Nurse Practitioner Credential f...

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Mara Scaramella, FNP

Mara Scaramella received her Master of Science in Nursing at Northern Arizona University and is a board-certified Family Nurse practitioner. She ha...

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