Healthcare provider profile · identity verified

Sheryl S Quiamco, NP

Nurse Practitioner · NORTHRIDGE, CA · NPI 1942229521

Profile state: partd only 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

We did not find matching Open Payments records for this doctor in 2025.

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

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

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.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

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.

There is no payer-company set available for this comparison.

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
Levothyroxine SodiumLevothyroxine Sodium8223
Trazodone HclTrazodone Hcl7230
MirtazapineMirtazapine6724
Quetiapine FumarateQuetiapine Fumarate6422
GabapentinGabapentin5220
Potassium ChloridePotassium Chloride5123
CephalexinCephalexin4535
FurosemideFurosemide4519
NystatinNystatin4018
Divalproex SodiumDivalproex Sodium3713
Atorvastatin CalciumAtorvastatin Calcium33suppressed
Sertraline HclSertraline Hcl3313
RisperidoneRisperidone29suppressed
Metoprolol TartrateMetoprolol Tartrate28suppressed
Pantoprazole SodiumPantoprazole Sodium27suppressed
LisinoprilLisinopril25suppressed
Memantine HclMemantine Hcl25suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2412
MupirocinMupirocin2413
Amlodipine BesylateAmlodipine Besylate2112
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen21suppressed
Losartan PotassiumLosartan Potassium20suppressed
Donepezil HclDonepezil Hcl18suppressed
LactuloseLactulose18suppressed
AtenololAtenolol17suppressed
SimvastatinSimvastatin16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide16suppressed
Ciprofloxacin HclCiprofloxacin Hcl1513
OmeprazoleOmeprazole15suppressed
Fludrocortisone AcetateFludrocortisone Acetate13suppressed
SpironolactoneSpironolactone12suppressed
EliquisApixaban11suppressed
Tamsulosin HclTamsulosin Hcl11suppressed
Tramadol HclTramadol Hcl11suppressed

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
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