Healthcare provider profile · identity verified

Stuart M Prins, MD

Family Practice · CASTLE ROCK, CO · NPI 1104069376

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 Calcium687210
Rosuvastatin CalciumRosuvastatin Calcium355120
LisinoprilLisinopril347108
Levothyroxine SodiumLevothyroxine Sodium29289
Amlodipine BesylateAmlodipine Besylate24179
Tamsulosin HclTamsulosin Hcl23876
OmeprazoleOmeprazole23496
Losartan PotassiumLosartan Potassium22175
Duloxetine HclDuloxetine Hcl18758
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14525
Metformin HclMetformin Hcl14448
AllopurinolAllopurinol14238
Albuterol Sulfate HfaAlbuterol Sulfate14175
GabapentinGabapentin13059
PradaxaDabigatran Etexilate Mesylate13051
SimvastatinSimvastatin13040
Tramadol HclTramadol Hcl12824
Sertraline HclSertraline Hcl11735
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10042
ArexvyRsvpref3 Antigen/As01e/Pf9595
Pantoprazole SodiumPantoprazole Sodium9534
Metoprolol TartrateMetoprolol Tartrate9436
MirtazapineMirtazapine9436
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide8930
Metformin Hcl ErMetformin Hcl8128
Fluoxetine HclFluoxetine Hcl7925
Trazodone HclTrazodone Hcl7829
Warfarin SodiumWarfarin Sodium7520
Oxycodone HclOxycodone Hcl7117
FurosemideFurosemide6825
AtenololAtenolol6620
HydrochlorothiazideHydrochlorothiazide6426
Alendronate SodiumAlendronate Sodium6325
Metoprolol SuccinateMetoprolol Succinate6320
Venlafaxine Hcl ErVenlafaxine Hcl6317
FinasterideFinasteride5719
JardianceEmpagliflozin5418
Potassium ChloridePotassium Chloride5219
AcyclovirAcyclovir5013
GlipizideGlipizide4919
Bupropion XlBupropion Hcl4816
EzetimibeEzetimibe4619
CarvedilolCarvedilol4514
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf4444
Fluticasone PropionateFluticasone Propionate4425
ShingrixVaricella-Zoster Ge/As01b/Pf4336
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4238
Propranolol HclPropranolol Hcl4112
Wixela InhubFluticasone Propion/Salmeterol3818
SpironolactoneSpironolactone32suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl31suppressed
CelecoxibCelecoxib30suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn3013
LorazepamLorazepam3016
Naloxone HclNaloxone Hcl3027
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid29suppressed
AlvescoCiclesonide2813
CefuroximeCefuroxime Axetil2828
PrednisonePrednisone2825
Doxycycline MonohydrateDoxycycline Monohydrate2725
FamotidineFamotidine27suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen27suppressed
PregabalinPregabalin26suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2616
Zolpidem TartrateZolpidem Tartrate25suppressed
OzempicSemaglutide24suppressed
ColchicineColchicine22suppressed
EliquisApixaban22suppressed
Humulin NInsulin Nph Human Isophane21suppressed
Montelukast SodiumMontelukast Sodium21suppressed
Ondansetron OdtOndansetron21suppressed
Spiriva RespimatTiotropium Bromide21suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2117
XareltoRivaroxaban21suppressed
AlprazolamAlprazolam20suppressed
Solifenacin SuccinateSolifenacin Succinate20suppressed
Azelastine HclAzelastine Hcl19suppressed
Doxycycline HyclateDoxycycline Hyclate1915
EstradiolEstradiol1911
Sumatriptan SuccinateSumatriptan Succinate19suppressed
ClopidogrelClopidogrel Bisulfate17suppressed
Testosterone CypionateTestosterone Cypionate17suppressed
KetoconazoleKetoconazole16suppressed
LidocaineLidocaine15suppressed
LovastatinLovastatin15suppressed
TadalafilTadalafil15suppressed
Terbinafine HclTerbinafine Hcl15suppressed
Bisoprolol FumarateBisoprolol Fumarate14suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate1413
FenofibrateFenofibrate14suppressed
Insulin SyringeSyring-Needl,disp,insul,0.3 Ml14suppressed
MeloxicamMeloxicam14suppressed
Terazosin HclTerazosin Hcl14suppressed
AmoxicillinAmoxicillin13suppressed
Citalopram HbrCitalopram Hydrobromide13suppressed
Insulin SyringeSyringe-Needle,insulin,0.5 Ml13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
Pravastatin SodiumPravastatin Sodium13suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
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