Healthcare provider profile · identity verified

Brian Sharkey, CRNP

Nurse Practitioner · BALTIMORE, MD · NPI 1548235336

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
Atorvastatin CalciumAtorvastatin Calcium24390
Amlodipine BesylateAmlodipine Besylate19273
Levothyroxine SodiumLevothyroxine Sodium15349
Losartan PotassiumLosartan Potassium14256
Metoprolol SuccinateMetoprolol Succinate12046
Trazodone HclTrazodone Hcl11641
GabapentinGabapentin11539
FurosemideFurosemide11445
LisinoprilLisinopril10140
CarvedilolCarvedilol8122
Metformin HclMetformin Hcl7426
FamotidineFamotidine7121
EliquisApixaban7024
Tamsulosin HclTamsulosin Hcl6727
PrednisonePrednisone6649
Duloxetine HclDuloxetine Hcl6520
HydrochlorothiazideHydrochlorothiazide6424
Oxycodone HclOxycodone Hcl6412
Sertraline HclSertraline Hcl6125
Pantoprazole SodiumPantoprazole Sodium6021
Potassium ChloridePotassium Chloride5620
Albuterol Sulfate HfaAlbuterol Sulfate5126
OmeprazoleOmeprazole4919
Metoprolol TartrateMetoprolol Tartrate4716
Tramadol HclTramadol Hcl4719
LorazepamLorazepam4219
OzempicSemaglutide4011
GlipizideGlipizide3912
Pravastatin SodiumPravastatin Sodium3913
Quetiapine FumarateQuetiapine Fumarate3911
EzetimibeEzetimibe36suppressed
Rosuvastatin CalciumRosuvastatin Calcium3612
AllopurinolAllopurinol3512
Hydralazine HclHydralazine Hcl35suppressed
MirtazapineMirtazapine3317
SimvastatinSimvastatin30suppressed
Escitalopram OxalateEscitalopram Oxalate28suppressed
LovastatinLovastatin26suppressed
Nifedipine ErNifedipine25suppressed
Venlafaxine Hcl ErVenlafaxine Hcl25suppressed
XareltoRivaroxaban24suppressed
Donepezil HclDonepezil Hcl23suppressed
Doxazosin MesylateDoxazosin Mesylate23suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen23suppressed
Olmesartan MedoxomilOlmesartan Medoxomil22suppressed
SynthroidLevothyroxine Sodium22suppressed
Citalopram HbrCitalopram Hydrobromide21suppressed
ClopidogrelClopidogrel Bisulfate21suppressed
ColchicineColchicine21suppressed
Pioglitazone HclPioglitazone Hcl21suppressed
Alendronate SodiumAlendronate Sodium20suppressed
Ciprofloxacin HclCiprofloxacin Hcl2018
Ondansetron HclOndansetron Hcl20suppressed
SpironolactoneSpironolactone20suppressed
FinasterideFinasteride19suppressed
ValsartanValsartan19suppressed
Amiodarone HclAmiodarone Hcl18suppressed
Meclizine HclMeclizine Hcl18suppressed
Montelukast SodiumMontelukast Sodium16suppressed
PregabalinPregabalin16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
ZonisamideZonisamide16suppressed
Fluoxetine HclFluoxetine Hcl15suppressed
Fluticasone PropionateFluticasone Propionate14suppressed
Glipizide ErGlipizide14suppressed
NystatinNystatin14suppressed
Propranolol HclPropranolol Hcl14suppressed
TorsemideTorsemide14suppressed
CephalexinCephalexin1311
EntrestoSacubitril/Valsartan13suppressed
JardianceEmpagliflozin13suppressed
Memantine HclMemantine Hcl13suppressed
Ropinirole HclRopinirole Hcl13suppressed
AtenololAtenolol12suppressed
Bupropion HclBupropion Hcl12suppressed
Bupropion XlBupropion Hcl12suppressed
DofetilideDofetilide12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed
Buspirone HclBuspirone Hcl11suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl11suppressed
JanuviaSitagliptin Phosphate11suppressed

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