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

Dr. Gregory Jay Williams

Individual provider Clinical Psychologist · NPI 1215916804

Dr. Gregory Jay Williams is a Clinical Psychologist in Apison, Tennessee. Qualified in 1994, 32 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
32
Licensed in
TN
In the registry since
2006

Practice location Address checks out

11014 Apison Pike
Apison, TN 37302-0000
Phone: (423) 899-2204
Fax: (423) 698-4045
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence P0000001910 (TN)

Record details

NPI number1215916804
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJanuary 11, 2006
Last updated in NPPESOctober 10, 2008
Mailing addressPo Box 80894, Chattanooga, TN 37414-7894

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount