Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. John Martin Dengler, MD

Individual provider Sleep Medicine (Psychiatry & Neurology) Physician · NPI 1396790085

Mr. John Martin Dengler, MD is a Sleep Medicine (Psychiatry & Neurology) Physician in Johnson City, Tennessee. Licensed in Tennessee. Registered with an NPI since 2006.

Licensed in
TN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1321 Sunset Dr Ste 11
Johnson City, TN 37604-7902
Phone: (423) 928-6174
Fax: (423) 926-2258
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Psychiatry & Neurology) Physician (primary) Taxonomy 2084S0012X · Licence MDO21544 (TN)

Record details

NPI number1396790085
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2006
Last updated in NPPESMarch 8, 2016

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