Healthcare provider profile · identity verified

Robert C Donlick, D.O

Family Practice · CLAYTON, DE · NPI 1023180932

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
Rosuvastatin CalciumRosuvastatin Calcium21870
Atorvastatin CalciumAtorvastatin Calcium19760
LisinoprilLisinopril18257
Levothyroxine SodiumLevothyroxine Sodium15845
Metformin HclMetformin Hcl15748
Metoprolol SuccinateMetoprolol Succinate15241
GlimepirideGlimepiride13841
AlprazolamAlprazolam13636
Amlodipine BesylateAmlodipine Besylate12939
SimvastatinSimvastatin12036
Losartan PotassiumLosartan Potassium11230
OmeprazoleOmeprazole11143
FurosemideFurosemide9933
Albuterol Sulfate HfaAlbuterol Sulfate9732
GabapentinGabapentin8729
HydrochlorothiazideHydrochlorothiazide7625
Oxycodone HclOxycodone Hcl69suppressed
AllopurinolAllopurinol6721
LorazepamLorazepam6713
PrednisonePrednisone6539
EzetimibeEzetimibe6320
JardianceEmpagliflozin6111
CephalexinCephalexin5739
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5616
AzithromycinAzithromycin5544
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril5315
Metoprolol TartrateMetoprolol Tartrate5316
TrulicityDulaglutide50suppressed
Diclofenac SodiumDiclofenac Sodium4717
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4439
Esomeprazole MagnesiumEsomeprazole Magnesium4413
Sertraline HclSertraline Hcl4414
MethylprednisoloneMethylprednisolone4134
Tramadol HclTramadol Hcl4111
Tamsulosin HclTamsulosin Hcl3714
AmoxicillinAmoxicillin3628
Pantoprazole SodiumPantoprazole Sodium3615
Potassium ChloridePotassium Chloride3312
JanumetSitagliptin Phos/Metformin Hcl32suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter32suppressed
Dicyclomine HclDicyclomine Hcl3115
ClopidogrelClopidogrel Bisulfate30suppressed
EliquisApixaban3011
Pravastatin SodiumPravastatin Sodium29suppressed
CarvedilolCarvedilol2812
FluconazoleFluconazole2813
IbuprofenIbuprofen2813
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen28suppressed
Meclizine HclMeclizine Hcl2614
PregabalinPregabalin26suppressed
Breo ElliptaFluticasone/Vilanterol25suppressed
Ciprofloxacin HclCiprofloxacin Hcl2522
Doxepin HclDoxepin Hcl25suppressed
Paroxetine HclParoxetine Hcl24suppressed
SynthroidLevothyroxine Sodium24suppressed
Tizanidine HclTizanidine Hcl2411
XareltoRivaroxaban22suppressed
Benazepril HclBenazepril Hcl20suppressed
IndapamideIndapamide20suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride20suppressed
LinzessLinaclotide20suppressed
Levalbuterol Tartrate HfaLevalbuterol Tartrate19suppressed
CelecoxibCelecoxib18suppressed
Ezetimibe-SimvastatinEzetimibe/Simvastatin18suppressed
LevofloxacinLevofloxacin1816
Citalopram HbrCitalopram Hydrobromide17suppressed
LovastatinLovastatin17suppressed
Ventolin HfaAlbuterol Sulfate17suppressed
AtenololAtenolol16suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog16suppressed
Metformin Hcl ErMetformin Hcl16suppressed
Nifedipine ErNifedipine15suppressed
OzempicSemaglutide15suppressed
Trazodone HclTrazodone Hcl15suppressed
Escitalopram OxalateEscitalopram Oxalate14suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine13suppressed
MeloxicamMeloxicam13suppressed
Ondansetron HclOndansetron Hcl13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Wixela InhubFluticasone Propion/Salmeterol13suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl12suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine12suppressed
Methadone HclMethadone Hcl12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
TopiramateTopiramate12suppressed
Bupropion XlBupropion Hcl11suppressed
Fluticasone PropionateFluticasone Propionate11suppressed
SpironolactoneSpironolactone11suppressed

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