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

Mr. John Thomas Hummer, PHD

Individual provider Clinical Psychologist · NPI 1598869778

Mr. John Thomas Hummer, PHD is a Clinical Psychologist in Kingsport, Tennessee. Licensed in Florida and Tennessee. Registered with an NPI since 2006.

Licensed in
FL, TN
In the registry since
2006
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1570 Waverly Rd
Kingsport, TN 37664
Phone: (423) 224-1300
Fax: (423) 224-1375
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 3296 (TN)
Clinical Psychologist Taxonomy 103TC0700X · Licence PY0005168 (FL)

Record details

NPI number1598869778
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 11, 2006
Last updated in NPPESFebruary 1, 2022
Certification dateFebruary 1, 2022

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