1. Home
  2. Directory
  3. California
  4. Norwalk
  5. Nurse Practitioner
  6. NPI Profile

JOAN C NJOKU
NPI 1265140222
Nurse Practitioner - Psychiatric/Mental Health in Norwalk, CA

Active since November 09, 2022PECOS Enrolled
14449 HARVEST AVE, NORWALK, CA 90650(323) 691-8074 Get Directions Write a Review

NPPES record last updated: June 14, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 14, 2023, Nov 9, 2022 (2 updates tracked since 2022).

About Joan C Njoku NPPES

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

JOAN C NJOKU (NPI 1265140222) is an individual psychiatric/mental health provider in Norwalk, California, licensed in California (95022012) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Gardena.

NPPES Registry Identity

NPI1265140222
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameJOAN C NJOKU
Location Address14449 HARVEST AVENorwalk, CA 90650-4710
Mailing Address14449 Harvest AveNorwalk, CA 90650-4710 · (323) 691-8074
Phone(323) 691-8074
Sole ProprietorYes
Enumeration DateNovember 9, 2022
Last NPPES UpdateJune 14, 20232 updates tracked since enumeration
NPPES CertifiedJune 14, 2023
✔ NPI 1265140222 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
License✔ Licensed in CA · 95022012
14449 HARVEST AVE, Norwalk, CA 90650
Open in Google Maps ↗

Secondary Practice Location 1

Location 11225 W 190th St Ste 280Gardena, CA 90248-4305 · Phone (877) 515-8113

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joan C Njoku is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Joan Njoku reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ehab Yacoub MD Inc.
12 mi
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
Eugene Rosenman MD Professional Corporation
14 mi
Adult Mental Health
2401 E KATELLA AVE STE 625
Anaheim, CA 92806
  • Reassigned Medicare billing, California enrollment
  • 20 clinicians in this Medicare group
NPI 1992588313 (800) 577-4701
Lindy Lay, D.O., P.C.
20 mi
Community/Behavioral Health
151 KALMUS DR
Costa Mesa, CA 92626
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1144909474 (702) 857-8800

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 90650 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.

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 Joan Njoku's NPI number?

The NPI number for Joan Njoku is 1265140222. It was assigned to this individual provider in the NPPES registry on November 9, 2022.

Where is Joan Njoku located?

Joan Njoku practices at 14449 Harvest Ave, Norwalk, CA 90650. The listed phone number is (323) 691-8074.

What is Joan Njoku's specialty?

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

Is Joan Njoku enrolled in Medicare?

Yes. Joan Njoku is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joan Njoku's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joan Njoku reassigns Medicare benefits to 3 organizations: Ehab Yacoub MD Inc. (Gardena, CA), Eugene Rosenman MD Professional Corporation (Anaheim, CA) and Lindy Lay, D.O., P.C. (Costa Mesa, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joan Njoku's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joan Njoku was last updated on June 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.