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

Jason T Hatjioannou, MD

Individual provider Internal Medicine Physician · NPI 1740285923

Jason T Hatjioannou, MD is an Internal Medicine Physician in Johnson City, Tennessee. Licensed in Tennessee. Registered with an NPI since 2005.

Licensed in
TN
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1930 Villa Ct
Johnson City, TN 37615-4590
Phone: (423) 913-1423
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 18504 (TN)

Record details

NPI number1740285923
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2005
Last updated in NPPESJanuary 19, 2023
Certification dateJanuary 19, 2023

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