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

Dr. Joel David Effler, PHD

Individual provider Health Service Psychologist · NPI 1184860181

Dr. Joel David Effler, PHD is a Health Service Psychologist in Knoxville, Tennessee. Practices as a sole proprietor. Licensed in Tennessee.

Licensed in
TN
In the registry since
2008
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.

See every abbreviation used in this directory →

Practice location Address checks out

2892 Alcoa Hwy
Knoxville, TN 37920-3705
Phone: (865) 579-2727
Fax: (865) 579-2522
Show map & directions

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

Specialties & licences

Health Service Psychologist (primary) Taxonomy 103TH0100X · Licence PE0000000649 (TN)
School Psychologist Taxonomy 103TS0200X (TN)

Record details

NPI number1184860181
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 21, 2008
Last updated in NPPESDecember 21, 2008

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