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

Q: 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.

Q: 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.

Q: 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 9 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.

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: October 25, 2026.

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

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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

Phone(877) 515-8113

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

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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

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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, I20260212003518

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.

Medicare Billing Reassignments

Medicare enrollment records show Lilian Okereke reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ehab Yacoub MD Inc.

Same address

Child & Adolescent Psychiatry

1225 W 190TH ST STE 280
Gardena, CA 90248

Reassigned Medicare billing, California enrollment
375 clinicians in this Medicare group

NPI 1417373713 (310) 515-8113

Sud Specialty Group - Ca

320 mi

Addiction Medicine

4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054

Reassigned Medicare billing, California enrollment
1,607 clinicians in this Medicare group

NPI 1972138238 (323) 205-7088

Sam-U-L, LLC

837 mi

Psychiatric/Mental Health

12725 SW MILLIKAN WAY STE 300
Beaverton, OR 97005

Reassigned Medicare billing, Oregon enrollment
6 clinicians in this Medicare group

NPI 1477232122 (971) 777-3319

Mental Health Specialty Group PA

2,226 mi

Mental Health

110 N CORCORAN ST FL 5
Durham, NC 27701

Reassigned Medicare billing, Oregon enrollment
60 clinicians in this Medicare group

NPI 1801472634 (323) 205-7088

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DR. JUAN CRISTOBAL RONDEAU MD

Psychiatry & Neurology (Psychiatry)