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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. John Dengler is Good. Dr. Dengler has been reviewed by 19 patients who have provided 7 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 4.5
Courteous Staff 3.7
Accurate Diagnosis 4.2
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 3.6

Specialties & Research

Dr. John Dengler, MD is board certified in Neurology.

  • He has special expertise in 4 areas:
  • Alzheimer's Disease
  • Epilepsy
  • Migraine Disorders
  • Multiple Sclerosis (MS)

Education & Awards

Dr. Dengler graduated from Michigan State University , East Lansing. He has 2 awards.

Patients' Choice Award (2014)
On-Time Doctor Award (2014)


Dr. Dengler has 16 hospital affiliations:

  • Indian Path Medical Center 
  • Johnson City Medical Ctr 

> > > > Dr. John Dengler, MD

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Additional Information
Dr. John Martin Dengler MD is a male Neurologist, has 25 years of experience and practices in Neurology.
Where does Dr. John M. Dengler practice?
Dr. John Dengler has 2 office locations.
Dr. John Dengler practices Neurology near Johnson City, TN.
Additional practice locations include: Greeneville, TN.
See Johnson City Neurologists.