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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AJAA OLIVER MSN, FNP-C
NPI 1821582115
Nurse Practitioner in Westmont, IL

Active since June 19, 2018
513 N WARWICK AVE, WESTMONT, IL 60559(630) 828-6944 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Aug 27, 2026, Aug 17, 2026 and 1 more (4 updates tracked since 2018).

About Ajaa Oliver Msn, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AJAA OLIVER MSN, FNP-C (NPI 1821582115) is an individual nurse practitioner in Westmont, Illinois, licensed in Illinois (209.034524) and active in the NPI registry since June 2018.

NPPES Registry Identity

NPI1821582115
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameAJAA OLIVERCredential: MSN, FNP-C
Location Address513 N WARWICK AVEWestmont, IL 60559-1550
Mailing Address926 Maple Ave Apt 329Downers Grove, IL 60515-7402 · (763) 486-7053
Phone(630) 828-6944
Sole ProprietorYes
Enumeration DateJune 19, 2018
Last NPPES UpdateOctober 5, 20264 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1821582115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IL · 209.034524
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered Nurse · Home HealthTaxonomy 163WH0200X · License 2462101 (MN)
513 N WARWICK AVE, Westmont, IL 60559
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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. JOYA GABRIELLE VAN DER LAAN MSN, FNP-BC
Nurse Practitioner (Family)
513 N WARWICK AVE
WESTMONT, IL 60559
Dupage County (773) 410-7893

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ajaa Oliver's NPI number?

The NPI number for Ajaa Oliver is 1821582115. It was assigned to this individual provider in the NPPES registry on June 19, 2018.

Where is Ajaa Oliver located?

Ajaa Oliver practices at 513 N Warwick Ave, Westmont, IL 60559. The listed phone number is (630) 828-6944.

What is Ajaa Oliver's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Ajaa Oliver was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.