Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Harun Durudogan, D.O.

Orthopaedic Surgery Physician in Oak Lawn, IL · enumerated 2006.

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

National Provider Identifier

1144285909

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Harun Durudogan

Credential D.O.

Sex Male

Practice address 4061 W 95th St, Oak Lawn, IL, 60453

Phone (708) 229-0101

Fax (708) 229-0090

Enumeration date Apr 17, 2006

Last updated in NPPES Aug 7, 2023

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 336056023 (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

Other identifiers

Identifier	Type	State	Issuer
036095138	Medicaid	IL	-

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 Harun Durudogan practice?

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

What is the NPI number for Harun Durudogan?

The National Provider Identifier (NPI) for Harun Durudogan is 1144285909, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-07.