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

Dr. Mari Varga Overlock, PHD

Individual provider Mental Health Counselor · NPI 1861049520

Dr. Mari Varga Overlock, PHD is a Mental Health Counselor in Texarkana, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2019
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

5425 Plaza Dr
Texarkana, TX 75503-1662
Phone: (903) 838-3711
Fax: (903) 838-8879
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 38298 (TX)

Record details

NPI number1861049520
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 19, 2019
Last updated in NPPESAugust 19, 2019

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