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

Mr. Mark Alan Greene

Individual provider Group Psychotherapy Psychologist · NPI 1689373417

Mr. Mark Alan Greene is a Group Psychotherapy Psychologist in Johnson City, Tennessee. Practices as a sole proprietor. Registered with an NPI since 2023.

In the registry since
2023

Practice location Address checks out

1311 E Millard St # A2
Johnson City, TN 37601-3540
Phone: (423) 203-1615
Show map & directions

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

Specialties & licences

Group Psychotherapy Psychologist (primary) Taxonomy 103TP2701X

Record details

NPI number1689373417
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 1, 2023
Last updated in NPPESMarch 1, 2023
Certification dateMarch 1, 2023