Healthcare provider profile · identity verified

Melissa M Ensign, MD

Family Practice · SAINT CLOUD, MN · NPI 1134377989

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 Calcium27567
LisinoprilLisinopril25976
Levothyroxine SodiumLevothyroxine Sodium19447
Rosuvastatin CalciumRosuvastatin Calcium18754
Losartan PotassiumLosartan Potassium16350
Metoprolol SuccinateMetoprolol Succinate14941
Amlodipine BesylateAmlodipine Besylate14445
OmeprazoleOmeprazole11938
HydrochlorothiazideHydrochlorothiazide11129
SimvastatinSimvastatin10828
GabapentinGabapentin9128
Pantoprazole SodiumPantoprazole Sodium8728
Sertraline HclSertraline Hcl8318
Metformin Hcl ErMetformin Hcl7122
FamotidineFamotidine6911
Trazodone HclTrazodone Hcl6316
FurosemideFurosemide5620
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5417
Albuterol Sulfate HfaAlbuterol Sulfate5319
Fluoxetine HclFluoxetine Hcl5311
Alendronate SodiumAlendronate Sodium4713
Metoprolol TartrateMetoprolol Tartrate4713
EliquisApixaban4412
Metformin HclMetformin Hcl4111
AllopurinolAllopurinol3812
CarvedilolCarvedilol35suppressed
Duloxetine HclDuloxetine Hcl34suppressed
Venlafaxine Hcl ErVenlafaxine Hcl33suppressed
Fluticasone PropionateFluticasone Propionate3114
OzempicSemaglutide31suppressed
Montelukast SodiumMontelukast Sodium28suppressed
ChlorthalidoneChlorthalidone2611
Hydroxyzine HclHydroxyzine Hcl26suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl26suppressed
ClopidogrelClopidogrel Bisulfate24suppressed
Potassium ChloridePotassium Chloride24suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2418
Ventolin HfaAlbuterol Sulfate24suppressed
Warfarin SodiumWarfarin Sodium24suppressed
Pravastatin SodiumPravastatin Sodium23suppressed
Tamsulosin HclTamsulosin Hcl23suppressed
Buspirone HclBuspirone Hcl22suppressed
JardianceEmpagliflozin22suppressed
PrednisonePrednisone2115
Escitalopram OxalateEscitalopram Oxalate20suppressed
Nifedipine ErNifedipine19suppressed
MirtazapineMirtazapine18suppressed
Tizanidine HclTizanidine Hcl18suppressed
Ibandronate SodiumIbandronate Sodium17suppressed
LevetiracetamLevetiracetam17suppressed
AtenololAtenolol16suppressed
SpironolactoneSpironolactone16suppressed
SymbicortBudesonide/Formoterol Fumarate16suppressed
Citalopram HbrCitalopram Hydrobromide15suppressed
NitroglycerinNitroglycerin15suppressed
Breo ElliptaFluticasone/Vilanterol14suppressed
Bupropion XlBupropion Hcl14suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
LovastatinLovastatin14suppressed
MethocarbamolMethocarbamol14suppressed
NyamycNystatin14suppressed
Oxycodone HclOxycodone Hcl14suppressed
TopiramateTopiramate14suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1312
Doxazosin MesylateDoxazosin Mesylate13suppressed
EzetimibeEzetimibe13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
OxcarbazepineOxcarbazepine13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
AvianeLevonorgestrel/Ethin.Estradiol12suppressed
Benazepril HclBenazepril Hcl12suppressed
EstradiolEstradiol12suppressed
Icosapent EthylIcosapent Ethyl12suppressed
Oxybutynin Chloride ErOxybutynin Chloride12suppressed
ValacyclovirValacyclovir Hcl12suppressed
AmantadineAmantadine Hcl11suppressed
Paroxetine HclParoxetine Hcl11suppressed
TestosteroneTestosterone11suppressed
ValsartanValsartan11suppressed
Wixela InhubFluticasone Propion/Salmeterol11suppressed

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