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

Mark William Perrenoud, PH.D.

Clinical Psychologist in Rapid City, SD · enumerated 2006.

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

National Provider Identifier

1588639033

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Registry record

Entity type Individual (Type 1)

Name Mark William Perrenoud

Credential PH.D.

Sex Male

Practice address Rapid City, SD, 57702

Phone (605) 348-6500

Fax (605) 341-7409

Enumeration date Feb 20, 2006

Last updated in NPPES Mar 29, 2012

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 316 (SD) Primary

103TC1900X Counseling Psychologist Behavioral Health & Social Service Providers · License 316 (SD) Secondary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
6550895	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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Mark Perrenoud 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 Mark Perrenoud?

The National Provider Identifier (NPI) for Mark Perrenoud is 1588639033, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-03-29.