Healthcare provider profile · identity verified

Mae O Berentson, NP

Nurse Practitioner · KALISPELL, MT · NPI 1972558120

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
Amlodipine BesylateAmlodipine Besylate20847
Levothyroxine SodiumLevothyroxine Sodium20845
LisinoprilLisinopril17541
HydrochlorothiazideHydrochlorothiazide11932
Losartan PotassiumLosartan Potassium11925
Rosuvastatin CalciumRosuvastatin Calcium11523
OmeprazoleOmeprazole10326
Metformin HclMetformin Hcl9124
GabapentinGabapentin8922
MeloxicamMeloxicam8717
Metoprolol SuccinateMetoprolol Succinate7015
Albuterol Sulfate HfaAlbuterol Sulfate6620
SimvastatinSimvastatin6615
FurosemideFurosemide6314
Atorvastatin CalciumAtorvastatin Calcium5718
Duloxetine HclDuloxetine Hcl57suppressed
Alendronate SodiumAlendronate Sodium51suppressed
Trazodone HclTrazodone Hcl5012
AlprazolamAlprazolam49suppressed
Metoprolol TartrateMetoprolol Tartrate48suppressed
Pantoprazole SodiumPantoprazole Sodium4811
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4615
Tramadol HclTramadol Hcl46suppressed
Potassium ChloridePotassium Chloride39suppressed
EliquisApixaban38suppressed
Sertraline HclSertraline Hcl38suppressed
FamotidineFamotidine36suppressed
LorazepamLorazepam35suppressed
Montelukast SodiumMontelukast Sodium35suppressed
Zolpidem TartrateZolpidem Tartrate35suppressed
Escitalopram OxalateEscitalopram Oxalate3412
AripiprazoleAripiprazole32suppressed
AtenololAtenolol32suppressed
CarvedilolCarvedilol3211
Paroxetine HclParoxetine Hcl28suppressed
CelecoxibCelecoxib26suppressed
Amitriptyline HclAmitriptyline Hcl24suppressed
Fluticasone PropionateFluticasone Propionate24suppressed
ClopidogrelClopidogrel Bisulfate23suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog23suppressed
MounjaroTirzepatide21suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid21suppressed
AllopurinolAllopurinol20suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide20suppressed
Oxybutynin Chloride ErOxybutynin Chloride20suppressed
ClonazepamClonazepam19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl19suppressed
Combivent RespimatIpratropium/Albuterol Sulfate18suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters18suppressed
Oxybutynin ChlorideOxybutynin Chloride18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
EstradiolEstradiol17suppressed
FarxigaDapagliflozin Propanediol17suppressed
LevetiracetamLevetiracetam17suppressed
Nortriptyline HclNortriptyline Hcl17suppressed
Buspirone HclBuspirone Hcl16suppressed
MethocarbamolMethocarbamol16suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen16suppressed
Bupropion XlBupropion Hcl15suppressed
Donepezil HclDonepezil Hcl15suppressed
Ropinirole HclRopinirole Hcl15suppressed
Tamsulosin HclTamsulosin Hcl15suppressed
Tizanidine HclTizanidine Hcl15suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr14suppressed
Clonidine HclClonidine Hcl14suppressed
Acetaminophen-CodeineAcetaminophen With Codeine13suppressed
Olmesartan MedoxomilOlmesartan Medoxomil13suppressed
Citalopram HbrCitalopram Hydrobromide12suppressed
Diltiazem HclDiltiazem Hcl12suppressed
LatanoprostLatanoprost12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
Benazepril HclBenazepril Hcl11suppressed
ChlorthalidoneChlorthalidone11suppressed
GlimepirideGlimepiride11suppressed
JanuviaSitagliptin Phosphate11suppressed
LacosamideLacosamide11suppressed
Memantine HclMemantine Hcl11suppressed
MirtazapineMirtazapine11suppressed
Sumatriptan SuccinateSumatriptan Succinate11suppressed
Valproic AcidValproic Acid11suppressed

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