Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Renee L Duffek, MS LMHP LADAC

Mental Health Counselor in York, NE · enumerated 2007 · practices at Four Corners Health Department.

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

National Provider Identifier

1912057662

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Registry record

Entity type Individual (Type 1)

Name Ms. Renee L Duffek

Credential MS LMHP LADAC

Sex Female

Practice address 2101 N Lincoln Ave, York, NE, 68467

Phone (402) 362-2621

Fax (402) 362-2687

Enumeration date Jan 12, 2007

Last updated in NPPES Feb 14, 2022

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 2182 (NE) Primary

Other identifiers

Identifier	Type	State	Issuer
7751	Other	-	MIDLANDS CHOICE
84290	Other	-	BCBS

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

What specialty is Renee Duffek?

Renee Duffek is registered in NPPES with the primary taxonomy of Mental Health Counselor. 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.

Other providers at this practice address

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Leslie Toovey Addiction (Substance Use Disorder) Counselor · York, NE NPI 1255999272 Four Corners Health Department Public Health or Welfare Agency · York, NE NPI 1497413926 Angel Dale Community Health Worker · York, NE NPI 1881416113

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-14.