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

Dr. William Harris Porter, PHD

Individual provider Clinical Psychologist · NPI 1508991613

Dr. William Harris Porter, PHD is a Clinical Psychologist in Mt Pleasant, Iowa. Licensed in Iowa. Registered with an NPI since 2007.

Licensed in
IA
In the registry since
2007
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

307 W Monroe St
Mt Pleasant, IA 52641-2112
Phone: (319) 385-4277
Fax: (319) 395-4277
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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 00594 (IA)

Record details

NPI number1508991613
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 22, 2007
Last updated in NPPESJuly 9, 2007
Mailing address307 W Monroe St, Mt Pleasant, IA 52641-2112

Other providers in Mt Pleasant