Joan Njoku
NPI 1265140222 · Psychiatric/Mental Health Nurse Practitioner · Norwalk, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Njoku is a Psychiatric/Mental Health Nurse Practitioner provider in Norwalk, CA (NPI 1265140222).
Provider details
- NPI number
- 1265140222
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95022012 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buspirone Hcl | 66 | 32 |
| Quetiapine Fumarate | 37 | 16 |
| Mirtazapine | 31 | 19 |
| Trazodone Hcl | 28 | 15 |
| Sertraline Hcl | 27 | 17 |
| Lorazepam | 26 | 12 |
| Alprazolam | 24 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$57 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1225 W 190th St Ste 280Gardena, CA 90248-4305Phone: (877) 515-8113
Registry dates
- Enumerated
- 2022-11-09
- Last updated
- 2023-06-14
- Certified
- 2023-06-14
Frequently asked questions
- What is Joan Njoku's NPI number?
- Joan Njoku's National Provider Identifier (NPI) is 1265140222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Njoku's specialty?
- Joan Njoku is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joan Njoku located?
- Joan Njoku's practice location on file with NPPES is 14449 Harvest Ave, Norwalk, CA 90650-4710.
- What is Joan Njoku's phone number?
- The practice phone number listed in the NPPES registry for Joan Njoku is (323) 691-8074.
- Does Joan Njoku accept Medicare?
- Joan Njoku is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Njoku's NPI active?
- Yes — Joan Njoku's NPI (1265140222) is active in the NPPES registry as of the last update on 2023-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.