Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Anna Alicja Krzywiec, DO

Emergency Medicine Physician in Oak Lawn, IL · enumerated 2023.

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

National Provider Identifier

1750085684

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Registry record

Entity type Individual (Type 1)

Name Dr. Anna Alicja Krzywiec

Credential DO

Sex Female

Practice address 4440 W 95th St, Oak Lawn, IL, 60453

Phone (708) 684-5375

Fax (708) 684-1028

Enumeration date Mar 27, 2023

Last updated in NPPES Jun 30, 2023

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 125.082994 (IL) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

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 is the NPI number for Anna Krzywiec?

The National Provider Identifier (NPI) for Anna Krzywiec is 1750085684, a Type 1 (individual) record in the CMS NPPES registry.

Where does Anna Krzywiec practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-30.