NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jan F Onik, DO

Family Medicine Physician in Louisiana, MO · enumerated 2005.

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

National Provider Identifier

1982604930

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Jan F Onik
Credential DO
Sex Male
Practice address 211 S 3rd St, Louisiana, MO, 63353
Phone (573) 754-5555
Fax (573) 754-4077
Enumeration date Jul 29, 2005
Last updated in NPPES Jan 29, 2010

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License R5C36 (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
241712710 Medicaid MO -
241712728 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 Jan Onik?
The National Provider Identifier (NPI) for Jan Onik is 1982604930, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jan Onik practice?
The practice location on file with NPPES is in Louisiana, 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 2010-01-29.