Healthcare provider profile · identity verified

Leah Kellogg, MD

Family Practice · DENVER, CO · NPI 1588124408

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 Calcium232101
Levothyroxine SodiumLevothyroxine Sodium22079
LisinoprilLisinopril14763
GabapentinGabapentin9940
Metformin HclMetformin Hcl9843
OmeprazoleOmeprazole9038
Metformin Hcl ErMetformin Hcl7833
Albuterol Sulfate HfaAlbuterol Sulfate7735
Losartan PotassiumLosartan Potassium7739
MounjaroTirzepatide7713
Amlodipine BesylateAmlodipine Besylate7638
Tamsulosin HclTamsulosin Hcl6930
JardianceEmpagliflozin6619
OzempicSemaglutide6517
Rosuvastatin CalciumRosuvastatin Calcium6531
FamotidineFamotidine6320
Trazodone HclTrazodone Hcl6221
FurosemideFurosemide5821
Bupropion XlBupropion Hcl5719
Tramadol HclTramadol Hcl5621
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen54suppressed
MeloxicamMeloxicam5226
EliquisApixaban5015
Alendronate SodiumAlendronate Sodium4922
AllopurinolAllopurinol4922
SimvastatinSimvastatin4924
Metoprolol SuccinateMetoprolol Succinate4724
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4437
Pantoprazole SodiumPantoprazole Sodium4320
Boostrix TdapDiphth,pertuss(Acell),tet Vac4141
Zolpidem TartrateZolpidem Tartrate4014
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3819
FinasterideFinasteride3717
HydrochlorothiazideHydrochlorothiazide3622
Pravastatin SodiumPravastatin Sodium3611
AlprazolamAlprazolam3514
Fluticasone PropionateFluticasone Propionate3222
Duloxetine HclDuloxetine Hcl3111
Metoprolol TartrateMetoprolol Tartrate3118
Potassium ChloridePotassium Chloride3118
PregabalinPregabalin3111
CarvedilolCarvedilol30suppressed
Escitalopram OxalateEscitalopram Oxalate3013
Sertraline HclSertraline Hcl3014
GlipizideGlipizide2918
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2918
Spiriva RespimatTiotropium Bromide28suppressed
SpironolactoneSpironolactone28suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide2713
PrednisonePrednisone2723
Montelukast SodiumMontelukast Sodium2612
XareltoRivaroxaban2611
Lantus SolostarInsulin Glargine,hum.Rec.Anlog25suppressed
Pioglitazone HclPioglitazone Hcl2414
Donepezil HclDonepezil Hcl22suppressed
Fluoxetine HclFluoxetine Hcl22suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen21suppressed
Ondansetron OdtOndansetron2114
Citalopram HbrCitalopram Hydrobromide20suppressed
LorazepamLorazepam20suppressed
Tizanidine HclTizanidine Hcl20suppressed
MethocarbamolMethocarbamol18suppressed
NitroglycerinNitroglycerin18suppressed
Oxycodone HclOxycodone Hcl18suppressed
TrulicityDulaglutide18suppressed
ClonazepamClonazepam17suppressed
EzetimibeEzetimibe16suppressed
FluconazoleFluconazole1613
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
Glipizide ErGlipizide16suppressed
LidocaineLidocaine16suppressed
Ropinirole HclRopinirole Hcl16suppressed
Paroxetine HclParoxetine Hcl15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1513
Warfarin SodiumWarfarin Sodium15suppressed
Carbidopa-LevodopaCarbidopa/Levodopa14suppressed
ClopidogrelClopidogrel Bisulfate14suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
Ondansetron HclOndansetron Hcl14suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14suppressed
Meclizine HclMeclizine Hcl13suppressed
Terbinafine HclTerbinafine Hcl13suppressed
Venlafaxine HclVenlafaxine Hcl13suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala12suppressed
Diclofenac SodiumDiclofenac Sodium12suppressed
GlimepirideGlimepiride12suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
DuleraMometasone/Formoterol11suppressed
EntrestoSacubitril/Valsartan11suppressed
IbuIbuprofen11suppressed
LevetiracetamLevetiracetam11suppressed
NaproxenNaproxen11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed

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