Healthcare provider profile · identity verified

Lance E Barker, D.O.

Internal Medicine · FORT COLLINS, CO · NPI 1518050301

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
Rosuvastatin CalciumRosuvastatin Calcium371101
Levothyroxine SodiumLevothyroxine Sodium36192
Atorvastatin CalciumAtorvastatin Calcium354110
Amlodipine BesylateAmlodipine Besylate30691
LisinoprilLisinopril30593
OmeprazoleOmeprazole22068
Losartan PotassiumLosartan Potassium18759
Tamsulosin HclTamsulosin Hcl18057
GabapentinGabapentin16544
Escitalopram OxalateEscitalopram Oxalate13840
Metformin HclMetformin Hcl13641
Zolpidem TartrateZolpidem Tartrate13531
Trazodone HclTrazodone Hcl12334
Tramadol HclTramadol Hcl10327
SimvastatinSimvastatin10230
Pantoprazole SodiumPantoprazole Sodium9929
HydrochlorothiazideHydrochlorothiazide9830
Metoprolol SuccinateMetoprolol Succinate9428
Albuterol Sulfate HfaAlbuterol Sulfate8539
Sertraline HclSertraline Hcl7720
Bupropion XlBupropion Hcl7620
Tizanidine HclTizanidine Hcl7325
Duloxetine HclDuloxetine Hcl7122
Potassium ChloridePotassium Chloride7023
MounjaroTirzepatide6913
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen6816
AllopurinolAllopurinol6722
Alendronate SodiumAlendronate Sodium6619
Warfarin SodiumWarfarin Sodium6611
Metformin Hcl ErMetformin Hcl6520
Oxycodone HclOxycodone Hcl64suppressed
EliquisApixaban6218
Metoprolol TartrateMetoprolol Tartrate5915
CelecoxibCelecoxib5812
FinasterideFinasteride5618
FurosemideFurosemide5623
OzempicSemaglutide5613
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5317
Venlafaxine Hcl ErVenlafaxine Hcl51suppressed
EzetimibeEzetimibe5017
Fluoxetine HclFluoxetine Hcl4714
ClopidogrelClopidogrel Bisulfate4315
AlprazolamAlprazolam40suppressed
MeloxicamMeloxicam4014
Pravastatin SodiumPravastatin Sodium4013
PrednisonePrednisone4027
GlimepirideGlimepiride3914
Montelukast SodiumMontelukast Sodium3913
CarvedilolCarvedilol3815
ClonazepamClonazepam37suppressed
Donepezil HclDonepezil Hcl3712
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen36suppressed
Testosterone CypionateTestosterone Cypionate36suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3512
PregabalinPregabalin32suppressed
SynthroidLevothyroxine Sodium31suppressed
JardianceEmpagliflozin3014
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2927
Memantine HclMemantine Hcl29suppressed
Pioglitazone HclPioglitazone Hcl29suppressed
ValsartanValsartan29suppressed
EstradiolEstradiol2811
XareltoRivaroxaban28suppressed
LovastatinLovastatin26suppressed
Ondansetron HclOndansetron Hcl26suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2517
Hydroxyzine HclHydroxyzine Hcl24suppressed
LorazepamLorazepam2314
Clonidine HclClonidine Hcl22suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide22suppressed
TrulicityDulaglutide22suppressed
Morphine Sulfate ErMorphine Sulfate21suppressed
Azelastine HclAzelastine Hcl20suppressed
Bupropion Hcl SrBupropion Hcl20suppressed
Fluticasone PropionateFluticasone Propionate20suppressed
Diclofenac SodiumDiclofenac Sodium19suppressed
FamotidineFamotidine19suppressed
SpironolactoneSpironolactone19suppressed
MirtazapineMirtazapine18suppressed
MyrbetriqMirabegron18suppressed
Nifedipine ErNifedipine18suppressed
FluconazoleFluconazole17suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Oxybutynin Chloride ErOxybutynin Chloride17suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide17suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide16suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl16suppressed
AcyclovirAcyclovir15suppressed
CephalexinCephalexin1513
Citalopram HbrCitalopram Hydrobromide15suppressed
Divalproex Sodium ErDivalproex Sodium15suppressed
Doxycycline HyclateDoxycycline Hyclate1514
Fluticasone-SalmeterolFluticasone Propion/Salmeterol15suppressed
Terbinafine HclTerbinafine Hcl15suppressed
AzithromycinAzithromycin1413
Benazepril HclBenazepril Hcl14suppressed
Breo ElliptaFluticasone/Vilanterol14suppressed
FenofibrateFenofibrate Nanocrystallized14suppressed
MethocarbamolMethocarbamol14suppressed
TopiramateTopiramate14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
AtenololAtenolol13suppressed
EszopicloneEszopiclone13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Propranolol HclPropranolol Hcl13suppressed
Tresiba Flextouch U-100Insulin Degludec13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
DiazepamDiazepam12suppressed
Dicyclomine HclDicyclomine Hcl12suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
Propranolol Hcl ErPropranolol Hcl12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1211
Terazosin HclTerazosin Hcl12suppressed
Xtampza ErOxycodone Myristate12suppressed
ZaleplonZaleplon12suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril11suppressed
LamotrigineLamotrigine11suppressed
Lamotrigine ErLamotrigine11suppressed
Nebivolol HclNebivolol Hcl11suppressed
Ondansetron OdtOndansetron11suppressed
Quetiapine FumarateQuetiapine Fumarate11suppressed
TestosteroneTestosterone11suppressed
Ventolin HfaAlbuterol Sulfate11suppressed

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