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WILLIAM A. MOSS, PSY.D., LLC
NPI 1033255146
Psychologist - Clinical in Rapid City, SD

Active since January 29, 2007
2525 W MAIN ST STE 216, RAPID CITY, SD 57702(605) 645-0371 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 16, 2026, Feb 15, 2022, Aug 22, 2020 (3 updates tracked since 2020).

About William A. Moss, Psy.d., Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM A. MOSS, PSY.D., LLC (NPI 1033255146) is a healthcare organization registered as a clinical in Rapid City, South Dakota and active in the NPI registry since January 2007. The organization lists William A Moss, Proprietor, as its authorized official.

NPPES Registry Identity

NPI1033255146
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameWILLIAM A. MOSS, PSY.D., LLC
Location Address2525 W MAIN ST STE 216Rapid City, SD 57702-2439
Mailing Address2525 W Main St Ste 216Rapid City, SD 57702-2439 · (605) 645-0371
Phone(605) 645-0371
Organization SubpartNo
Authorized OfficialWilliam A MossProprietor · (605) 645-0371
Enumeration DateJanuary 29, 2007
Last NPPES UpdateMarch 16, 20263 updates tracked since enumeration
NPPES CertifiedMarch 16, 2026
✔ NPI 1033255146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in SD · 416
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
2525 W MAIN ST STE 216, Rapid City, SD 57702
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Other Identifiers 2

Medicaid6551862SD
Other1629048483SD · Npi Number (old)

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William A. Moss, Psy.D., LLC's NPI number?

The NPI number for William A. Moss, Psy.D., LLC is 1033255146. It was assigned to this organization in the NPPES registry on January 29, 2007.

Where is William A. Moss, Psy.D., LLC located?

William A. Moss, Psy.D., LLC is located at 2525 W Main St Ste 216, Rapid City, SD 57702. The listed phone number is (605) 645-0371.

What is William A. Moss, Psy.D., LLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for William A. Moss, Psy.D., LLC was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.