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THE 99 PSYCHIATRIC SERVICES INC
NPI 1861280760
Nurse Practitioner - Psychiatric/Mental Health in Oakbrook Terrace, IL

Active since April 29, 2025
1 MID AMERICA PLZ, OAKBROOK TERRACE, IL 60181(773) 800-6074 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 8, 2026, Sep 16, 2025, Jul 12, 2025 and 1 more (4 updates tracked since 2025).

About The 99 Psychiatric Services Inc NPPES

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

THE 99 PSYCHIATRIC SERVICES INC (NPI 1861280760), doing business as 99 Psych, is a healthcare organization registered as a psychiatric/mental health in Oakbrook Terrace, Illinois and active in the NPI registry since April 2025. The organization lists Chinenye Onakorame, Manager, as its authorized official.

NPPES Registry Identity

NPI1861280760
Entity TypeOrganization
Primary Taxonomy363LP0808X
Legal Business NameTHE 99 PSYCHIATRIC SERVICES INC
Location Address1 MID AMERICA PLZOakbrook Terrace, IL 60181-4450
Mailing Address1 Mid America PlzOakbrook Terrace, IL 60181-4450 · (224) 614-1233
Phone(773) 800-6074
Organization SubpartNo
Authorized OfficialChinenye OnakorameManager · (469) 915-4211
Enumeration DateApril 29, 2025
Last NPPES UpdateJanuary 8, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2026
✔ NPI 1861280760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
1 MID AMERICA PLZ, Oakbrook Terrace, IL 60181
Open in Google Maps ↗

Other Names 1

Doing Business As99 Psych

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 4

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

THE LASIK VISION INSTITUTE LLC
Optometrist
1 MID AMERICA PLZ, SUITE 200
OAKBROOK TERRACE, IL 60181
Dupage County (630) 684-0137
THE CATARACT VISION INSTITUTE LLC
Clinic/Center (Ophthalmologic Surgery)
1 MID AMERICA PLZ, SUITE 250
OAKBROOK TERRACE, IL 60181
Dupage County (630) 684-0204
JMF NUTRITION PLLC
Dietitian, Registered
1 MID AMERICA PLZ
OAKBROOK TERRACE, IL 60181
Dupage County (773) 916-6134
CLOVER CLINICAL NETWORK PROFESSIONAL CORPORATION
General Practice
1 MID AMERICA PLZ
OAKBROOK TERRACE, IL 60181
Dupage County (630) 566-8491

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 The 99 Psychiatric Services Inc's NPI number?

The NPI number for The 99 Psychiatric Services Inc is 1861280760. It was assigned to this organization in the NPPES registry on April 29, 2025. The provider is doing business as 99 Psych.

Where is The 99 Psychiatric Services Inc located?

The 99 Psychiatric Services Inc is located at 1 Mid America Plz, Oakbrook Terrace, IL 60181. The listed phone number is (773) 800-6074.

What is The 99 Psychiatric Services Inc's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for The 99 Psychiatric Services Inc was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.