NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Miss Michele L Niemczyk, DO

Pediatrics Physician in Florissant, MO · enumerated 2006.

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

National Provider Identifier

1083649024

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Miss Michele L Niemczyk
Credential DO
Sex Female
Practice address 11642 W Florissant Ave, Florissant, MO, 63033
Phone (314) 838-8220
Fax (314) 830-1873
Enumeration date Jul 11, 2006
Last updated in NPPES Oct 4, 2024

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 2005017812 (MO) 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

Other identifiers

Identifier Type State Issuer
2005017812 Other MO STATE LICENSE
207489808 Medicaid MO -

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 Michele Niemczyk?
The National Provider Identifier (NPI) for Michele Niemczyk is 1083649024, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michele Niemczyk practice?
The practice location on file with NPPES is in Florissant, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-04.