Healthcare provider profile · identity verified

Marnie M Loftus, DO

Family Practice · ANKENY, IA · NPI 1215915624

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 Calcium365109
Levothyroxine SodiumLevothyroxine Sodium26767
Losartan PotassiumLosartan Potassium16047
HydrochlorothiazideHydrochlorothiazide15945
LisinoprilLisinopril15741
Amlodipine BesylateAmlodipine Besylate15439
GabapentinGabapentin14738
OmeprazoleOmeprazole13139
Pantoprazole SodiumPantoprazole Sodium9731
SimvastatinSimvastatin9027
Albuterol Sulfate HfaAlbuterol Sulfate8527
MeloxicamMeloxicam7823
Metformin Hcl ErMetformin Hcl7622
AlprazolamAlprazolam7420
Trazodone HclTrazodone Hcl6920
Sertraline HclSertraline Hcl6719
Citalopram HbrCitalopram Hydrobromide6420
Pravastatin SodiumPravastatin Sodium6321
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen6211
Metoprolol SuccinateMetoprolol Succinate6018
Donepezil HclDonepezil Hcl5715
Ibandronate SodiumIbandronate Sodium5716
Alendronate SodiumAlendronate Sodium5515
Escitalopram OxalateEscitalopram Oxalate5520
Bupropion XlBupropion Hcl5318
Buspirone HclBuspirone Hcl52suppressed
Tramadol HclTramadol Hcl4811
Oxybutynin ChlorideOxybutynin Chloride4714
Metoprolol TartrateMetoprolol Tartrate4612
FurosemideFurosemide4412
Tamsulosin HclTamsulosin Hcl4412
EzetimibeEzetimibe4213
Zolpidem TartrateZolpidem Tartrate42suppressed
AtenololAtenolol4112
Rosuvastatin CalciumRosuvastatin Calcium4012
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3912
Montelukast SodiumMontelukast Sodium3811
OzempicSemaglutide38suppressed
Potassium ChloridePotassium Chloride3811
GlimepirideGlimepiride33suppressed
MirtazapineMirtazapine33suppressed
Venlafaxine Hcl ErVenlafaxine Hcl32suppressed
Fluoxetine HclFluoxetine Hcl31suppressed
Metformin HclMetformin Hcl31suppressed
Warfarin SodiumWarfarin Sodium31suppressed
Glipizide ErGlipizide29suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl28suppressed
Diclofenac SodiumDiclofenac Sodium27suppressed
EliquisApixaban25suppressed
FamotidineFamotidine25suppressed
Fluticasone PropionateFluticasone Propionate25suppressed
ValacyclovirValacyclovir Hcl2511
ClonazepamClonazepam24suppressed
JardianceEmpagliflozin24suppressed
LorazepamLorazepam21suppressed
LovastatinLovastatin21suppressed
Memantine HclMemantine Hcl21suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2113
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide20suppressed
Pioglitazone HclPioglitazone Hcl20suppressed
SynthroidLevothyroxine Sodium20suppressed
PrednisonePrednisone1916
Hydroxyzine HclHydroxyzine Hcl17suppressed
JanuviaSitagliptin Phosphate17suppressed
Terbinafine HclTerbinafine Hcl17suppressed
FarxigaDapagliflozin Propanediol16suppressed
CelecoxibCelecoxib15suppressed
Minocycline HclMinocycline Hcl15suppressed
Norgestimate-Ethinyl EstradiolNorgestimate-Ethinyl Estradiol15suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1511
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
Doxycycline HyclateDoxycycline Hyclate1411
Duloxetine HclDuloxetine Hcl14suppressed
Methenamine HippurateMethenamine Hippurate14suppressed
PregabalinPregabalin14suppressed
AllopurinolAllopurinol13suppressed
CephalexinCephalexin13suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl13suppressed
Dicyclomine HclDicyclomine Hcl13suppressed
FluconazoleFluconazole13suppressed
HydrocortisoneHydrocortisone13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Testosterone CypionateTestosterone Cypionate13suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
Propranolol HclPropranolol Hcl12suppressed
AmoxicillinAmoxicillin11suppressed
BaclofenBaclofen11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
Hydralazine HclHydralazine Hcl11suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
MethylprednisoloneMethylprednisolone1111
SpironolactoneSpironolactone11suppressed
Tizanidine HclTizanidine Hcl11suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic11suppressed

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