Healthcare provider profile · identity verified

Troy K. Buchholz, M.D.

Family Practice · WINDSOR, CO · NPI 1154315976

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 Calcium384116
LisinoprilLisinopril31888
Levothyroxine SodiumLevothyroxine Sodium25970
Losartan PotassiumLosartan Potassium24068
Rosuvastatin CalciumRosuvastatin Calcium22664
Amlodipine BesylateAmlodipine Besylate20958
OmeprazoleOmeprazole17955
Tamsulosin HclTamsulosin Hcl16350
HydrochlorothiazideHydrochlorothiazide15649
Metformin HclMetformin Hcl12840
SimvastatinSimvastatin11234
Trazodone HclTrazodone Hcl10332
AllopurinolAllopurinol9826
GabapentinGabapentin9633
Pantoprazole SodiumPantoprazole Sodium9628
Metformin Hcl ErMetformin Hcl8627
FurosemideFurosemide8321
Citalopram HbrCitalopram Hydrobromide8122
FinasterideFinasteride7015
Duloxetine HclDuloxetine Hcl6419
Donepezil HclDonepezil Hcl5512
PrednisonePrednisone5532
Sertraline HclSertraline Hcl5215
Metoprolol SuccinateMetoprolol Succinate4716
MeloxicamMeloxicam4213
Pravastatin SodiumPravastatin Sodium4012
Potassium ChloridePotassium Chloride3920
SynthroidLevothyroxine Sodium3811
Alendronate SodiumAlendronate Sodium3714
Bupropion XlBupropion Hcl3711
Montelukast SodiumMontelukast Sodium37suppressed
Warfarin SodiumWarfarin Sodium37suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3618
EzetimibeEzetimibe3514
Fluoxetine HclFluoxetine Hcl35suppressed
JardianceEmpagliflozin35suppressed
LorazepamLorazepam3514
CelecoxibCelecoxib33suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide30suppressed
Oxycodone HclOxycodone Hcl30suppressed
Tramadol HclTramadol Hcl3017
Metoprolol TartrateMetoprolol Tartrate2911
PregabalinPregabalin29suppressed
CarvedilolCarvedilol27suppressed
Olmesartan MedoxomilOlmesartan Medoxomil26suppressed
SpironolactoneSpironolactone25suppressed
LinzessLinaclotide24suppressed
BaclofenBaclofen23suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl23suppressed
ClonazepamClonazepam22suppressed
Spiriva RespimatTiotropium Bromide22suppressed
SymbicortBudesonide/Formoterol Fumarate22suppressed
EliquisApixaban21suppressed
MounjaroTirzepatide21suppressed
Pioglitazone HclPioglitazone Hcl21suppressed
Buspirone HclBuspirone Hcl20suppressed
Clonidine HclClonidine Hcl20suppressed
Escitalopram OxalateEscitalopram Oxalate20suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20suppressed
AlprazolamAlprazolam19suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1917
Fluticasone PropionateFluticasone Propionate17suppressed
GlimepirideGlimepiride17suppressed
Hydroxyzine HclHydroxyzine Hcl17suppressed
LidocaineLidocaine17suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide17suppressed
ClopidogrelClopidogrel Bisulfate16suppressed
OzempicSemaglutide16suppressed
Zolpidem TartrateZolpidem Tartrate1612
PrimidonePrimidone15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1514
Amiodarone HclAmiodarone Hcl14suppressed
EnuloseLactulose14suppressed
JanuviaSitagliptin Phosphate14suppressed
Tresiba Flextouch U-100Insulin Degludec13suppressed
XareltoRivaroxaban13suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl1211
JanumetSitagliptin Phos/Metformin Hcl12suppressed
Metoclopramide HclMetoclopramide Hcl12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
CephalexinCephalexin1111
Glipizide ErGlipizide11suppressed
LamotrigineLamotrigine11suppressed
Methadone HclMethadone Hcl11suppressed
OxycontinOxycodone Hcl11suppressed
Paroxetine HclParoxetine Hcl11suppressed
TrulicityDulaglutide11suppressed

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