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

Dr. Mark Holland, PSYD

Individual provider Clinical Psychologist · NPI 1265629430

Dr. Mark Holland, PSYD is a Clinical Psychologist in Casper, Wyoming. Practices as a sole proprietor. Licensed in Wyoming.

Licensed in
WY
In the registry since
2007
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

2435 King Blvd Ste 313
Casper, WY 82604-3166
Phone: (307) 462-4876
Fax: (307) 337-3492
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 544 (WY)

Record details

NPI number1265629430
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedOctober 1, 2007
Last updated in NPPESAugust 21, 2014
Mailing address2435 King Blvd, Suite 313, Casper, WY 82604-3166

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