Healthcare provider profile · identity verified

Fidelia Onyebuchi Nnachetam

Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Psychiatric/Mental Health · INGLEWOOD, CA · NPI 1992156962

Profile state: payments and partd Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

CMS Open Payments records show Fidelia Onyebuchi Nnachetam received $832.90 in general payments during 2025 across 24 reported records.

Alkermes, Inc. accounted for 65.6% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 7 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Aristada, Invega Trinza.

Alkermes, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported ARISTADA as an associated drug or biological on 76041 records involving 17486 distinct recipient NPIs. Public Medicare Part D data also shows 18 claims for Aristada by this doctor in 2024.

Janssen Pharmaceuticals, Inc reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported INVEGA TRINZA as an associated drug or biological on 8191 records involving 2146 distinct recipient NPIs. Public Medicare Part D data also shows 18 claims for Invega Trinza by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$832.90

24 reported records · 3 companies

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Alkermes, Inc. Unresolved — no canonical attribution shown $546.1865.6%152025
Janssen Pharmaceuticals, Inc Unresolved — no canonical attribution shown $263.4931.6%82025
E.R. Squibb & Sons, L.L.C. Unresolved — no canonical attribution shown $23.232.8%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$832.9024

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
ARISTADA
Normalized: aristada
Drug Alkermes, Inc. $546.18 15 2025
Source payment records
LYBALVI
Normalized: lybalvi
Drug Alkermes, Inc. $301.29 13 2025
Source payment records
ARISTADA INITIO
Normalized: aristada initio
Drug Alkermes, Inc. $244.89 2 2025
Source payment records
SPRAVATO
Normalized: spravato
Drug Janssen Pharmaceuticals, Inc $193.99 3 2025
Source payment records
INVEGA SUSTENNA
Normalized: invega sustenna
Drug Janssen Pharmaceuticals, Inc $69.50 5 2025
Source payment records
INVEGA TRINZA
Normalized: invega trinza
Drug Janssen Pharmaceuticals, Inc $69.50 5 2025
Source payment records
COBENFY
Normalized: cobenfy
Drug E.R. Squibb & Sons, L.L.C. $23.23 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
ARISTADA
aristada
2025 Aristada 2024 18
Beneficiary count suppressed
exact normalized Medicare Part D
INVEGA TRINZA
invega trinza
2025 Invega Trinza 2024 18
Beneficiary count suppressed
exact normalized Medicare Part D

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Alkermes, Inc.
Exact reporting entity; no affiliate inference
2025 ARISTADA
open payments reported associated product
CMS Open Payments — General Payments
76041 supporting records · 17486 recipient NPIs · example record 1222428566
Aristada · 2024
Exact normalized brand match · 1 Part D row
18 suppressed by CMS
Janssen Pharmaceuticals, Inc
Exact reporting entity; no affiliate inference
2025 INVEGA TRINZA
open payments reported associated product
CMS Open Payments — General Payments
8191 supporting records · 2146 recipient NPIs · example record 1174223262
Invega Trinza · 2024
Exact normalized brand match · 1 Part D row
18 suppressed by CMS

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Trazodone HclTrazodone Hcl22336
Quetiapine FumarateQuetiapine Fumarate17724
Benztropine MesylateBenztropine Mesylate16922
AripiprazoleAripiprazole14919
Omeprazole-Sodium BicarbonateOmeprazole/Sodium Bicarbonate13717
Bupropion XlBupropion Hcl13213
OlanzapineOlanzapine12814
Buspirone HclBuspirone Hcl12725
Sertraline HclSertraline Hcl12116
Fluoxetine HclFluoxetine Hcl9713
Diclofenac SodiumDiclofenac Sodium8722
RisperidoneRisperidone8713
ClonazepamClonazepam7911
Diclofenac PotassiumDiclofenac Potassium68suppressed
Venlafaxine Hcl ErVenlafaxine Hcl67suppressed
FenofibrateFenofibrate65suppressed
Divalproex Sodium ErDivalproex Sodium63suppressed
GabapentinGabapentin6313
Diflorasone DiacetateDiflorasone Diacetate6012
KetoprofenKetoprofen55suppressed
Zileuton ErZileuton55suppressed
Lithium CarbonateLithium Carbonate54suppressed
TavaboroleTavaborole5012
Hydroxyzine HclHydroxyzine Hcl47suppressed
Atomoxetine HclAtomoxetine Hcl46suppressed
Quetiapine Fumarate ErQuetiapine Fumarate44suppressed
MirtazapineMirtazapine41suppressed
Escitalopram OxalateEscitalopram Oxalate39suppressed
Ziprasidone HclZiprasidone Hcl36suppressed
Doxepin HclDoxepin Hcl35suppressed
LamotrigineLamotrigine35suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine32suppressed
Divalproex SodiumDivalproex Sodium32suppressed
HaloperidolHaloperidol31suppressed
Triamcinolone AcetonideTriamcinolone Acetonide30suppressed
Duloxetine HclDuloxetine Hcl29suppressed
Amlodipine BesylateAmlodipine Besylate26suppressed
Icosapent EthylIcosapent Ethyl26suppressed
Fluticasone PropionateFluticasone Propionate24suppressed
Atorvastatin CalciumAtorvastatin Calcium22suppressed
Zolpidem TartrateZolpidem Tartrate21suppressed
LorazepamLorazepam20suppressed
ClozapineClozapine19suppressed
Haloperidol DecanoateHaloperidol Decanoate19suppressed
AristadaAripiprazole Lauroxil18suppressed
Invega TrinzaPaliperidone Palmitate18suppressed
Paroxetine HclParoxetine Hcl18suppressed
Bupropion Hcl SrBupropion Hcl17suppressed
IbuprofenIbuprofen17suppressed
LidocaineLidocaine16suppressed
TopiramateTopiramate16suppressed
Abilify MaintenaAripiprazole15suppressed
AlprazolamAlprazolam15suppressed
VascepaIcosapent Ethyl15suppressed
CarbamazepineCarbamazepine12suppressed
Imipramine HclImipramine Hcl12suppressed
KetoconazoleKetoconazole12suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
OxcarbazepineOxcarbazepine11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025 $832.90 · 24 records Alkermes, Inc. ARISTADA, ARISTADA INITIO, COBENFY, INVEGA SUSTENNA, INVEGA TRINZA, LYBALVI, SPRAVATO 2
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error