Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Douglas Koltun, MD

Physical Medicine & Rehabilitation Physician in Oak Lawn, IL · enumerated 2005.

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

National Provider Identifier

1326034828

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Registry record

Entity type Individual (Type 1)

Name Douglas Koltun

Credential MD

Sex Male

Practice address 4400 W 95th St Ste 306, Oak Lawn, IL, 60453

Phone (708) 684-5428

Fax (708) 684-2079

Enumeration date Sep 21, 2005

Last updated in NPPES Dec 15, 2021

Taxonomy & licenses

208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License 036070752 (IL) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
036070752	Medicaid	IL	-
36354817305	Other	IL	ADVOCATE HLTH CENTERS ID
250002469	Other	IL	RAILROAD MEDICARE
01621490	Other	IL	BCBS PROVIDER ID
131667300	Other	IL	WORKERS COMPENSATION
47614	Other	IL	ADVOCATE HLTH PARTNERS ID

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 Douglas Koltun?

The National Provider Identifier (NPI) for Douglas Koltun is 1326034828, a Type 1 (individual) record in the CMS NPPES registry.

Where does Douglas Koltun practice?

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

Other providers at this practice address

Browse all →

Roy Adair Physical Medicine & Rehabilitation Physician · Oak Lawn, IL NPI 1689660185 Kathleen Florence Physical Medicine & Rehabilitation Physician · Oak Lawn, IL NPI 1477549889 Linda Holley Rehabilitation Clinical Nurse Specialist · Oak Lawn, IL NPI 1013089697 Anterpreet Singh Physical Medicine & Rehabilitation Physician · Oak Lawn, IL NPI 1023264272 Rachel Welbel Physical Medicine & Rehabilitation Physician · Oak Lawn, IL NPI 1467895813 Shivani Gupta Physical Medicine & Rehabilitation Physician · Oak Lawn, IL NPI 1467864389 Victor Chukwueke Physical Medicine & Rehabilitation Physician · Oak Lawn, IL NPI 1760998009 Ami Hampole Physical Medicine & Rehabilitation Physician · Oak Lawn, IL NPI 1073019964

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-15.