Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jennifer Michelle Mazanek

Nurse Practitioner in Centralia, IL · enumerated 2026 · practices at Physician Services Corporation of Southern Illinois Inc.

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

National Provider Identifier

1922951219

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Registry record

Entity type Individual (Type 1)

Name Jennifer Michelle Mazanek

Sex Female

Practice address 1003 E Mccord St, Centralia, IL, 62801

Phone (618) 436-6633

Enumeration date Feb 17, 2026

Last updated in NPPES May 5, 2026

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209035018 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Jennifer Mazanek practice?

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

What is the NPI number for Jennifer Mazanek?

The National Provider Identifier (NPI) for Jennifer Mazanek is 1922951219, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Physician Services Corporation of Southern Illinois Inc Non-Pharmacy Dispensing Site · Centralia, IL NPI 1215320460 Camille Greider Family Nurse Practitioner · Centralia, IL NPI 1699319004 Lavada Simpson Family Nurse Practitioner · Centralia, IL NPI 1780452235

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-05.