Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Adaku Mennwa Uzo-Okereke, M.D.

Neurology Physician in O Fallon, IL · enumerated 2016.

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

National Provider Identifier

1497105704

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Registry record

Entity type Individual (Type 1)

Name Adaku Mennwa Uzo-Okereke

Credential M.D.

Sex Female

Practice address O Fallon, IL, 62269

Phone (618) 641-5803

Enumeration date Jun 16, 2016

Last updated in NPPES Sep 13, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 2016018203 (MO) Secondary

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License ME163304 (FL) Secondary

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 036155697 (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

What specialty is Adaku Uzo-Okereke?

Adaku Uzo-Okereke is registered in NPPES with the primary taxonomy of Neurology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-13.