Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

James K Gerndt, PHD

Psychologist in Middleton, WI · enumerated 2006 · practices at Mcpst Management Corporation.

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

National Provider Identifier

1174544746

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Registry record

Entity type Individual (Type 1)

Name James K Gerndt

Credential PHD

Sex Male

Practice address 6300 University Ave, Suite 25, Middleton, WI, 53562

Phone (608) 237-8000

Fax (608) 237-8005

Enumeration date Jul 21, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 1249-057 (WI) Secondary

103T00000X Psychologist Behavioral Health & Social Service Providers · License 1249-057 (WI) Primary

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
39201000	Medicaid	WI	-

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

What specialty is James Gerndt?

James Gerndt is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.