Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dennis Alan Helffenstein

Clinical Psychologist in Englewood, CO · enumerated 2015 · practices at Colorado Neuropsychological Associates, P.C..

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

National Provider Identifier

1316313984

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Registry record

Entity type Individual (Type 1)

Name Dennis Alan Helffenstein

Sex Male

Practice address 10 Inverness Dr E, Suite 215, Englewood, CO, 80112

Phone (720) 529-0190

Fax (720) 529-1099

Enumeration date Aug 18, 2015

Last updated in NPPES Aug 18, 2015

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 1484 (CO) Primary

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 is the NPI number for Dennis Helffenstein?

The National Provider Identifier (NPI) for Dennis Helffenstein is 1316313984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dennis Helffenstein practice?

The practice location on file with NPPES is in Englewood, CO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Ruth Darling-Goldberg Professional Counselor · Englewood, CO NPI 1518291012 Colorado Neuropsychological Associates, P.C. Community/Behavioral Health Agency · Englewood, CO NPI 1205202587

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-18.