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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. William A. Moss, PSY.D.

Clinical Psychologist in Rapid City, SD · enumerated 2006 · practices at Linda Holcomb,Msw, Inc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1629048483

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Registry record

Entity type Individual (Type 1)
Name Dr. William A. Moss
Credential PSY.D.
Sex Male
Practice address Rapid City, SD, 57702
Phone (605) 341-8647
Fax (605) 341-0489
Enumeration date Jan 25, 2006
Last updated in NPPES Oct 7, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 416 (SD) Primary
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential

Other identifiers

Identifier Type State Issuer
6551862 Medicaid SD -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Where does William Moss practice?
The practice location on file with NPPES is in Rapid City, SD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Moss?
The National Provider Identifier (NPI) for William Moss is 1629048483, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-07.