Healthcare provider profile · identity verified

Erin Gronenthal

Nurse Practitioner · LOVELAND, CO · NPI 1922402353

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 Calcium395134
Levothyroxine SodiumLevothyroxine Sodium331104
LisinoprilLisinopril26281
Rosuvastatin CalciumRosuvastatin Calcium21269
Amlodipine BesylateAmlodipine Besylate14148
GabapentinGabapentin10745
Losartan PotassiumLosartan Potassium9933
Albuterol Sulfate HfaAlbuterol Sulfate9029
Escitalopram OxalateEscitalopram Oxalate8732
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8728
HydrochlorothiazideHydrochlorothiazide8131
Metoprolol SuccinateMetoprolol Succinate7725
Trazodone HclTrazodone Hcl7729
Sertraline HclSertraline Hcl7521
OmeprazoleOmeprazole7326
Tamsulosin HclTamsulosin Hcl7326
Tramadol HclTramadol Hcl6312
FurosemideFurosemide6226
Alendronate SodiumAlendronate Sodium6123
Metformin Hcl ErMetformin Hcl6017
Potassium ChloridePotassium Chloride6018
Bupropion XlBupropion Hcl5919
Duloxetine HclDuloxetine Hcl5818
SimvastatinSimvastatin5618
Fluoxetine HclFluoxetine Hcl5218
JardianceEmpagliflozin5112
Metformin HclMetformin Hcl4921
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4611
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4515
OzempicSemaglutide43suppressed
FamotidineFamotidine4215
Lantus SolostarInsulin Glargine,hum.Rec.Anlog41suppressed
CarvedilolCarvedilol3911
Pantoprazole SodiumPantoprazole Sodium3816
Oxybutynin Chloride ErOxybutynin Chloride3516
EstradiolEstradiol3418
Fluticasone PropionateFluticasone Propionate3416
Metoprolol TartrateMetoprolol Tartrate3312
SynthroidLevothyroxine Sodium33suppressed
TrulicityDulaglutide32suppressed
MounjaroTirzepatide31suppressed
AcyclovirAcyclovir30suppressed
EliquisApixaban2813
Hydroxyzine HclHydroxyzine Hcl2812
Donepezil HclDonepezil Hcl27suppressed
Zolpidem TartrateZolpidem Tartrate2713
LorazepamLorazepam26suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2417
Warfarin SodiumWarfarin Sodium24suppressed
Montelukast SodiumMontelukast Sodium22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
Paroxetine HclParoxetine Hcl21suppressed
Breo ElliptaFluticasone/Vilanterol20suppressed
Quetiapine FumarateQuetiapine Fumarate20suppressed
AlprazolamAlprazolam19suppressed
AtenololAtenolol19suppressed
CelecoxibCelecoxib19suppressed
SpironolactoneSpironolactone19suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav18suppressed
CephalexinCephalexin1818
Citalopram HbrCitalopram Hydrobromide18suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl18suppressed
LacosamideLacosamide18suppressed
MethylprednisoloneMethylprednisolone1817
AllopurinolAllopurinol17suppressed
Amitriptyline HclAmitriptyline Hcl17suppressed
AzithromycinAzithromycin1713
Buspirone HclBuspirone Hcl17suppressed
ClopidogrelClopidogrel Bisulfate17suppressed
GlimepirideGlimepiride17suppressed
Propranolol HclPropranolol Hcl17suppressed
CefuroximeCefuroxime Axetil1616
GlipizideGlipizide16suppressed
Pravastatin SodiumPravastatin Sodium16suppressed
PrednisonePrednisone1611
SymbicortBudesonide/Formoterol Fumarate16suppressed
Tizanidine HclTizanidine Hcl16suppressed
ClonazepamClonazepam15suppressed
FinasterideFinasteride15suppressed
MirtazapineMirtazapine15suppressed
Arnuity ElliptaFluticasone Furoate14suppressed
Doxycycline HyclateDoxycycline Hyclate1412
Olmesartan MedoxomilOlmesartan Medoxomil14suppressed
Ciprofloxacin HclCiprofloxacin Hcl13suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium13suppressed
LidocaineLidocaine13suppressed
LinzessLinaclotide13suppressed
Memantine Hcl ErMemantine Hcl13suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide13suppressed
EzetimibeEzetimibe12suppressed
Ondansetron OdtOndansetron12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
Levetiracetam ErLevetiracetam11suppressed
Solifenacin SuccinateSolifenacin Succinate11suppressed
TestosteroneTestosterone11suppressed

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