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

Dr. Mark Anthony Stillman, PHD

Individual provider Clinical Psychologist · NPI 1982948154

Dr. Mark Anthony Stillman, PHD is a Clinical Psychologist in Atlanta, Georgia. Practices as a sole proprietor. Licensed in Georgia.

Licensed in
GA
In the registry since
2012
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

4274 Peachtree Rd NE Ste 203
Atlanta, GA 30319-3015
Phone: (678) 805-7238
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY003631 (GA)

Record details

NPI number1982948154
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 12, 2012
Last updated in NPPESJuly 18, 2013

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