LILIAN ONYINYE OKEREKE
NPI 1902169196
Nurse Practitioner - Psychiatric/Mental Health in Gardena, CA

Active since June 21, 2012PECOS EnrolledAccepts Medicare Assignment
1225 W 190TH ST STE 280, GARDENA, CA 90248(877) 515-8113(877) 538-2102 Get Directions Write a Review

NPPES record last updated: January 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 19, 2026, Aug 23, 2023 (2 updates tracked since 2023).

About Lilian Onyinye Okereke NPPES

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

LILIAN ONYINYE OKEREKE (NPI 1902169196) is an individual psychiatric/mental health provider in Gardena, California, licensed in Oregon (10045031) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1902169196
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameLILIAN ONYINYE OKEREKE
Location Address1225 W 190TH ST STE 280Gardena, CA 90248-4305
Mailing Address427 C St, 212San Diego, CA 92101-5100 · (619) 238-4180 · Fax (619) 238-4245
Fax(877) 538-2102
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 21, 2012
Last NPPES UpdateJanuary 19, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 19, 2026
NPI 1902169196 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in OR · 10045031 Licensed in CA · 95025134
Also ListedRegistered NurseTaxonomy 163W00000X · License 788779 (CA)
1225 W 190TH ST STE 280, Gardena, CA 90248

Secondary Practice Locations 2

Location 1427 C St, 212San Diego, CA 92101-5100 · Phone (619) 238-4180 · Fax (619) 238-4245
Location 21225 W 190th St Ste 280Gardena, CA 90248-4305 · Phone (877) 515-8113 · Fax (877) 538-2102

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Lilian Onyinye Okereke is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42672479
PECOS Enrollment IDI20230816001833
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90248 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

Psychiatry & Neurology (Psychiatry)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Psychiatry & Neurology (Psychiatry)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Nurse Practitioner (Family)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Nurse Practitioner (Psychiatric/Mental Health)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Nurse Practitioner (Psychiatric/Mental Health)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Registered Nurse (Psychiatric/Mental Health)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Nurse Practitioner (Psychiatric/Mental Health)
1225 W 190TH ST STE 280
GARDENA, CA 90248

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 Lilian Okereke's NPI number?

The NPI number for Lilian Okereke is 1902169196. It was assigned to this individual provider in the NPPES registry on June 21, 2012.

Where is Lilian Okereke located?

Lilian Okereke practices at 1225 W 190th St Ste 280, Gardena, CA 90248. The listed phone number is (877) 515-8113.

What is Lilian Okereke's specialty?

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

Is Lilian Okereke enrolled in Medicare?

Yes. Lilian Okereke is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Lilian Okereke accept?

Health plans from Providence Health Plan list Lilian Okereke as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lilian Okereke was last updated on January 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.