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

William A. Moss, Psy D , LLC

Organization Clinical Psychologist · NPI 1033255146

William A. Moss, Psy D , LLC is a Clinical Psychologist in Rapid City, South Dakota. Licensed in South Dakota. Registered with an NPI since 2007.

Licensed in
SD
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2525 W Main St Ste 216
Rapid City, SD 57702-2439
Phone: (605) 645-0371
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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 416 (SD)

Record details

NPI number1033255146
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Moss — Proprietor · (605) 645-0371
NPI enumeratedJanuary 29, 2007
Last updated in NPPESMarch 16, 2026
Certification dateMarch 16, 2026
Mailing address2525 W Main St Ste 216, Rapid City, SD 57702-2439

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