Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jelena Nikolic, MD

Hospitalist Physician in Alton, IL · enumerated 2018.

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

National Provider Identifier

1689174682

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Registry record

Entity type Individual (Type 1)

Name Jelena Nikolic

Credential MD

Sex Female

Practice address 1 Memorial Dr, Alton, IL, 62002

Phone (618) 463-7240

Enumeration date Feb 15, 2018

Last updated in NPPES Sep 3, 2021

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036156526 (IL) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 036156526 (IL) Primary

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

How do I verify Jelena Nikolic's NPI record?

Cross-check NPI 1689174682 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1689174682 active?

Yes, as of the latest NPPES snapshot, NPI 1689174682 is active (record last updated 2021-09-03).

Other providers at this practice address

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Edward J Harrow Ptr, Alton Pathology Associates Anatomic Pathology & Clinical Pathology Physician · Alton, IL NPI 1659354678 Jeffrey Kiviat Anatomic Pathology & Clinical Pathology Physician · Alton, IL NPI 1205810454 Kevin Reiseck Athletic Trainer · Alton, IL NPI 1649231838 Andrew Renner Athletic Trainer · Alton, IL NPI 1801857347 Drew Dintelmann Athletic Trainer · Alton, IL NPI 1780647842 Annette Raftery Pharmacist · Alton, IL NPI 1619926334 Mary Wehking Pharmacist · Alton, IL NPI 1740239268 Sara Roberts Pharmacist · Alton, IL NPI 1861442667

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-03.