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

Dr. Thomas Irvin Holman, PHD

Individual provider Clinical Psychologist · NPI 1346176831

Dr. Thomas Irvin Holman, PHD is a Clinical Psychologist in Montgomery Village, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2026
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 →

Claim this listing Report a problem Suggest an edit

Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 2175
Montgomery Village, MD 20886-2164
Phone: (301) 990-0792
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 02070 (MD)

Record details

NPI number1346176831
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 22, 2026
Last updated in NPPESJune 22, 2026
Certification dateJune 22, 2026

Other providers in Montgomery Village