Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nicholas Allen Wilczynski, D.O.

Emergency Medicine Physician in Rock Island, IL · enumerated 2015.

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

National Provider Identifier

1124405972

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Nicholas Allen Wilczynski

Credential D.O.

Sex Male

Practice address 2701 17th St, Rock Island, IL, 61201

Phone (309) 779-5000

Enumeration date Apr 30, 2015

Last updated in NPPES Jun 11, 2019

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License DO-05336 (IA) Secondary

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

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 036.145893 (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 Nicholas Wilczynski?

The National Provider Identifier (NPI) for Nicholas Wilczynski is 1124405972, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nicholas Wilczynski practice?

The practice location on file with NPPES is in Rock Island, IL. 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 2019-06-11.