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

Dr. Mark Tanner Gibson, PHD

Individual provider Psychologist · NPI 1225115561

Dr. Mark Tanner Gibson, PHD is a Psychologist in Rock Springs, Wyoming. Practices as a sole proprietor and works from 3 locations. Licensed in Wyoming.

Licensed in
WY
In the registry since
2006
Specialties on file
3
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

1208 Hilltop Dr Ste 103
Rock Springs, WY 82901-5858
Phone: (307) 212-8064
Fax: (307) 224-2128
Show map & directions

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

Additional practice locations (2)

  • 541 E Flaming Gorge Way, Green River, WY 82935-4363 — (307) 212-6082
  • 115 E Flaming Gorge Way, Green River, WY 82935-4322 — (307) 212-8014

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 437 (WY)
Psychologist Taxonomy 103T00000X · Licence 437 (WY)
Counseling Psychologist Taxonomy 103TC1900X · Licence 437 (WY)

Record details

NPI number1225115561
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 1, 2006
Last updated in NPPESJuly 22, 2026
Certification dateJuly 22, 2026