NPPES file of Aug 9, 2026

Cordelia Rose E. Onyekwe, MSN

Psychiatric/Mental Health Nurse Practitioner · Long Beach, CA

Cordelia Rose E. Onyekwe, MSN is a psychiatric/mental health nurse practitioner with a practice address in Long Beach, California, and NPI 1194026542, issued on Nov 16, 2010. Check the license (California 20845, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194026542
Name
Cordelia Rose E. Onyekwe
Credential
MSN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
20845 CA
528163 CA
Self-reported in NPPES; status is on the state search
Practice location
1501 Hughes Way Ste 150, Long Beach, CA 90810
Phone
(310) 221-6336
Enumerated
Nov 16, 2010
Record last updated
Mar 14, 2024
Medicare enrollment
Enrolled (PECOS I20120615000265); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →

Also registered at 1501 Hughes Way Ste 150

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Janet AcostaCase Manager/Care Coordinator1871062323
  2. Ama AddoRegistered Nurse1124662770
  3. Troynisha AgeeLicensed Vocational Nurse1265196026
  4. Victorea AguilaRegistered Nurse1033737648
  5. Julissa Aguilar, MFTIMarriage & Family Therapist1952781080
  6. Yeny AguilarMarriage & Family Therapist1629369632

Verify Cordelia Rose E. Onyekwe in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 20845    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

1,797 Medicare Part D claims for 132 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.

  1. Cordelia Rose Onyekwe1,797
  2. Specialty average906

Most prescribed

  1. Quetiapine Fumarate236 claims
  2. Divalproex Sodium140 claims
  3. Risperidone Odt139 claims
  4. Trazodone Hcl138 claims
  5. Sertraline Hcl94 claims
  6. Mirtazapine86 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $128.00

1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cordelia Rose Onyekwe$128.00
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Alliance For Wellness IncPanorama City, CA
  2. Pacific Heritage Medical Group IncWestlake Village, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cordelia Rose E. Onyekwe among 4,226 psychiatric/mental health nurse practitioner records in California

Cordelia Rose E. Onyekwe, MSN is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 10% of them.

  • NPI issued2010 · 10% of these records are older, 89% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2011 · median 2021 among the 1,965 with a school on file
  • Record last updated2024 · 16% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in California

There are 4,226 psychiatric/mental health nurse practitioner records in California.

All 4,226 in California → Every provider in Long Beach → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Sonnia Ahinasi, NPLong Beach, CA 908101952792467
  2. Eunice Bisong, NPLong Beach, CA 908101003255779
  3. Michael Fabian, PMHNPLong Beach, CA 908101003364514
  4. Marianne Guevarra, FNP-C, PMHNP-BCLong Beach, CA 908101801338793
  5. Melvis MemehLong Beach, CA 908101336809789
  6. Media MupandukiLong Beach, CA 908101598232928
  7. Nicole OquindoLong Beach, CA 908101497303788
  8. Naomi SianturiLong Beach, CA 908101083218903

Common questions

What is Cordelia Rose E. Onyekwe, MSN's NPI number?

Cordelia Rose E. Onyekwe, MSN's National Provider Identifier (NPI) is 1194026542, issued on Nov 16, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Cordelia Rose E. Onyekwe, MSN located?

The NPPES record lists a practice address at 1501 Hughes Way Ste 150, Long Beach, CA, 90810. Phone: (310) 221-6336. Providers update this record themselves, so call before visiting.

How can I verify Cordelia Rose E. Onyekwe, MSN's license?

NPPES lists California license number 20845, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Cordelia Rose E. Onyekwe, MSN prescribe under Medicare Part D?

In 2024, Cordelia Rose E. Onyekwe, MSN had 1,797 Medicare Part D claims for 132 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.