25 Turnwood Circle, Verona, WI 53593

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Tri-State Mountain Neurology


1321 Sunset Dr. #11, Johnson City, TN 37604


Don Cook, Practice Administrator

Facility Description:

Our office is complete with 8 exam rooms, six chair infusion suite, on site EMG and EEG, ACLS certified staff, Emergency AED and rescue equipment, 2 RN’s, 2 medical Assistances. We are located one mile between two main Hospitals Johnson City Medical Center (level one trauma center) and Franklin Woods Community Hospital.

Therapeutic areas of experience and interest:

Migraine, MS, AD, Parkinson’s, Seizures, Stroke, Sleep Disorders, Epilepsy

Research Staff:

Dr. John Dengler, MD, Principal Investigator

Dr. N. Robb Whaley, MD, Principal Investigator

Shelly Howard, NP, Sub Investigator

Teresa A. Martin FNP-BC, Sub Investigator

Michelle Hurst, RN Director of Research

Jan Loyacano, RN, CRC, Project Manager

Melissa Saylor RN, BSN Study Coordinator



Dr. John Dengler, MD

Dr. John Dengler, MD, Board Certified Neurologist

Download CV Here
Dr. N. Robb Whaley, MD

Dr. N. Robb Whaley, MD, Board Certified Neurologist

Download CV Here