Healthcare provider profile · identity verified

Cynthia Larson, MD

Internal Medicine · BUFFALO, MN · NPI 1013938802

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
Levothyroxine SodiumLevothyroxine Sodium570130
Amlodipine BesylateAmlodipine Besylate361104
Metoprolol SuccinateMetoprolol Succinate357110
Metoprolol TartrateMetoprolol Tartrate28179
Atorvastatin CalciumAtorvastatin Calcium26284
LisinoprilLisinopril24369
Rosuvastatin CalciumRosuvastatin Calcium23572
SimvastatinSimvastatin21362
HydrochlorothiazideHydrochlorothiazide19152
Alendronate SodiumAlendronate Sodium19058
OmeprazoleOmeprazole17659
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen16438
Citalopram HbrCitalopram Hydrobromide16249
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14449
Pantoprazole SodiumPantoprazole Sodium13641
Metformin HclMetformin Hcl11033
GabapentinGabapentin10829
Losartan PotassiumLosartan Potassium10334
EstradiolEstradiol9629
GlimepirideGlimepiride9624
AzithromycinAzithromycin8644
Albuterol Sulfate HfaAlbuterol Sulfate8428
MethylprednisoloneMethylprednisolone8162
AtenololAtenolol7219
Trazodone HclTrazodone Hcl7029
LorazepamLorazepam6926
Doxycycline HyclateDoxycycline Hyclate6754
Potassium ChloridePotassium Chloride6523
EliquisApixaban6324
FurosemideFurosemide6225
Pravastatin SodiumPravastatin Sodium6219
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst5842
Tramadol HclTramadol Hcl58suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl5515
Klor-Con M20Potassium Chloride5318
AmoxicillinAmoxicillin4737
CarvedilolCarvedilol4716
FamotidineFamotidine4715
Zolpidem TartrateZolpidem Tartrate4612
Diltiazem 24hr Er (Cd)Diltiazem Hcl4514
Tamsulosin HclTamsulosin Hcl4313
AllopurinolAllopurinol4113
Fluticasone PropionateFluticasone Propionate4016
Sertraline HclSertraline Hcl3914
Warfarin SodiumWarfarin Sodium3713
Ciprofloxacin HclCiprofloxacin Hcl3424
Fluoxetine HclFluoxetine Hcl32suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog31suppressed
CephalexinCephalexin3021
ClopidogrelClopidogrel Bisulfate3013
TemazepamTemazepam2911
KetoconazoleKetoconazole2816
EzetimibeEzetimibe27suppressed
Amitriptyline HclAmitriptyline Hcl26suppressed
Donepezil HclDonepezil Hcl25suppressed
ValacyclovirValacyclovir Hcl2513
Buspirone HclBuspirone Hcl21suppressed
Carbidopa-LevodopaCarbidopa/Levodopa21suppressed
Oxybutynin Chloride ErOxybutynin Chloride21suppressed
Duloxetine HclDuloxetine Hcl20suppressed
MethocarbamolMethocarbamol20suppressed
FinasterideFinasteride19suppressed
Montelukast SodiumMontelukast Sodium19suppressed
Propranolol HclPropranolol Hcl18suppressed
CelecoxibCelecoxib17suppressed
Medroxyprogesterone AcetateMedroxyprogesterone Acetate17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
Bupropion XlBupropion Hcl15suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
Mometasone FuroateMometasone Furoate15suppressed
Propranolol Hcl ErPropranolol Hcl15suppressed
Tizanidine HclTizanidine Hcl15suppressed
Breo ElliptaFluticasone/Vilanterol14suppressed
BumetanideBumetanide14suppressed
EnuloseLactulose14suppressed
Meclizine HclMeclizine Hcl14suppressed
NitroglycerinNitroglycerin14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
SynthroidLevothyroxine Sodium14suppressed
Hydromorphone HclHydromorphone Hcl13suppressed
LansoprazoleLansoprazole13suppressed
LevetiracetamLevetiracetam13suppressed
MupirocinMupirocin13suppressed
Paroxetine HclParoxetine Hcl13suppressed
PregabalinPregabalin13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim13suppressed
TorsemideTorsemide13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
Diltiazem 24hr ErDiltiazem Hcl12suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12suppressed
PrednisonePrednisone12suppressed
Terazosin HclTerazosin Hcl12suppressed
FluconazoleFluconazole11suppressed
MetronidazoleMetronidazole11suppressed
MirtazapineMirtazapine11suppressed
Ondansetron HclOndansetron Hcl11suppressed
Oxycodone HclOxycodone Hcl11suppressed
SpironolactoneSpironolactone11suppressed

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