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

Dr. Ari Holtz, PHD

Individual provider Psychologist · NPI 1801968441

Dr. Ari Holtz, PHD is a Psychologist in Ellisville, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
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

119 Clarkson Executive Park
Ellisville, MO 63011
Phone: (636) 256-0600
Fax: (636) 256-0626
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 2006004002 (MO)

Record details

NPI number1801968441
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedNovember 15, 2006
Last updated in NPPESJuly 8, 2007
Mailing address4954 W Pine Blvd, 401, St Louis, MO 63108

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