Healthcare provider profile · identity verified

Robert Gunnell, MD

Family Practice · GRANT, MI · NPI 1225066079

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
FurosemideFurosemide26728
EliquisApixaban19819
Sertraline HclSertraline Hcl15425
OmeprazoleOmeprazole15019
Levothyroxine SodiumLevothyroxine Sodium13815
Metoprolol SuccinateMetoprolol Succinate12016
Donepezil HclDonepezil Hcl11318
GabapentinGabapentin10813
Atorvastatin CalciumAtorvastatin Calcium10417
Amlodipine BesylateAmlodipine Besylate95suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog70suppressed
Trazodone HclTrazodone Hcl6913
Losartan PotassiumLosartan Potassium65suppressed
PrednisonePrednisone5821
Pantoprazole SodiumPantoprazole Sodium53suppressed
LisinoprilLisinopril52suppressed
Memantine HclMemantine Hcl52suppressed
Escitalopram OxalateEscitalopram Oxalate50suppressed
Ciprofloxacin HclCiprofloxacin Hcl4825
Quetiapine FumarateQuetiapine Fumarate47suppressed
MirtazapineMirtazapine46suppressed
LevofloxacinLevofloxacin4320
Potassium ChloridePotassium Chloride43suppressed
Citalopram HbrCitalopram Hydrobromide41suppressed
Oxybutynin Chloride ErOxybutynin Chloride40suppressed
DigoxinDigoxin37suppressed
FamotidineFamotidine37suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen37suppressed
Tamsulosin HclTamsulosin Hcl34suppressed
AripiprazoleAripiprazole33suppressed
Easy Touch Alcohol Prep PadsAlcohol Antiseptic Pads33suppressed
LatanoprostLatanoprost33suppressed
Tramadol HclTramadol Hcl3116
CephalexinCephalexin2913
FinasterideFinasteride28suppressed
GlimepirideGlimepiride28suppressed
Carbidopa-LevodopaCarbidopa/Levodopa27suppressed
Divalproex Sodium ErDivalproex Sodium27suppressed
Metoprolol TartrateMetoprolol Tartrate27suppressed
AtenololAtenolol26suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc25suppressed
Divalproex SodiumDivalproex Sodium25suppressed
EzetimibeEzetimibe25suppressed
HydrochlorothiazideHydrochlorothiazide25suppressed
VraylarCariprazine Hcl25suppressed
Montelukast SodiumMontelukast Sodium24suppressed
MyrbetriqMirabegron24suppressed
Ropinirole HclRopinirole Hcl24suppressed
TorsemideTorsemide24suppressed
FentanylFentanyl23suppressed
Albuterol Sulfate HfaAlbuterol Sulfate21suppressed
CarvedilolCarvedilol21suppressed
LorazepamLorazepam21suppressed
MetolazoneMetolazone21suppressed
ClotrimazoleClotrimazole20suppressed
MeloxicamMeloxicam20suppressed
NystopNystatin20suppressed
Hydralazine HclHydralazine Hcl19suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate19suppressed
Labetalol HclLabetalol Hcl19suppressed
Metformin Hcl ErMetformin Hcl19suppressed
Neomycin-Polymyxin-DexamethNeomycin/Polymyxin B/Dexametha19suppressed
SimvastatinSimvastatin19suppressed
FluconazoleFluconazole18suppressed
Ondansetron HclOndansetron Hcl18suppressed
RisperidoneRisperidone18suppressed
DexamethasoneDexamethasone17suppressed
Pravastatin SodiumPravastatin Sodium17suppressed
Duloxetine HclDuloxetine Hcl16suppressed
HaloperidolHaloperidol16suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
Amiodarone HclAmiodarone Hcl15suppressed
XareltoRivaroxaban15suppressed
Bupropion XlBupropion Hcl14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
Silver SulfadiazineSilver Sulfadiazine14suppressed
BaclofenBaclofen13suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst13suppressed
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog13suppressed
CreonLipase/Protease/Amylase12suppressed
Meclizine HclMeclizine Hcl12suppressed
MethotrexateMethotrexate Sodium12suppressed
Rosuvastatin CalciumRosuvastatin Calcium12suppressed
Spiriva RespimatTiotropium Bromide12suppressed
TopiramateTopiramate12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Fluoxetine HclFluoxetine Hcl11suppressed
Fosinopril SodiumFosinopril Sodium11suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate11suppressed
NaproxenNaproxen11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed
Terazosin HclTerazosin 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