Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Anna Marie Lafrentz Muehlfelt

Professional Counselor in Downers Grove, IL · enumerated 2008.

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

National Provider Identifier

1720233216

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Registry record

Entity type Individual (Type 1)

Name Mrs. Anna Marie Lafrentz Muehlfelt

Sex Female

Practice address 5147 1/2 Main Street, Downers Grove, IL, 60515

Phone (630) 971-9856

Fax (630) 971-9856

Enumeration date Nov 25, 2008

Last updated in NPPES Jun 15, 2010

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 180.003255 (IL) 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 Anna Lafrentz Muehlfelt?

The National Provider Identifier (NPI) for Anna Lafrentz Muehlfelt is 1720233216, a Type 1 (individual) record in the CMS NPPES registry.

Where does Anna Lafrentz Muehlfelt practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-15.