Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Holly Renee Duren

Behavior Analyst in Hermantown, MN · enumerated 2021.

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

National Provider Identifier

1235711532

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Registry record

Entity type Individual (Type 1)

Name Holly Renee Duren

Sex Female

Practice address 4140 Richard Ave Ste 200, Hermantown, MN, 55811

Phone (218) 514-5230

Enumeration date Apr 26, 2021

Last updated in NPPES Jun 3, 2022

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Secondary

106S00000X Behavior Technician Behavioral Health & Social Service Providers Secondary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Primary

Other identifiers

Identifier	Type	State	Issuer
1588993091	Medicaid	MN	-

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

How do I verify Holly Duren's NPI record?

Cross-check NPI 1235711532 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1235711532 active?

Yes, as of the latest NPPES snapshot, NPI 1235711532 is active (record last updated 2022-06-03).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-03.