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

Dr. Thomas L. Heiskell, PHD

Individual provider Clinical Psychologist · NPI 1871502104

Dr. Thomas L. Heiskell, PHD is a Clinical Psychologist in Portsmouth, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
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

806 6th St Ste 312
Portsmouth, OH 45662-4158
Phone: (740) 353-5033
Fax: (740) 353-5033
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 3163 (OH)

Record details

NPI number1871502104
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 5, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1132 29th St, Portsmouth, OH 45662-2231

Other providers in Portsmouth