Healthcare provider profile · identity verified

Keith Todd Ratzlaff, MD

Family Practice · OLATHE, KS · NPI 1770536880

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 Calcium1013274
Losartan PotassiumLosartan Potassium389103
LisinoprilLisinopril36699
Amlodipine BesylateAmlodipine Besylate35996
Levothyroxine SodiumLevothyroxine Sodium26663
Metoprolol SuccinateMetoprolol Succinate26075
Pantoprazole SodiumPantoprazole Sodium25974
Tamsulosin HclTamsulosin Hcl25767
Rosuvastatin CalciumRosuvastatin Calcium23363
GabapentinGabapentin16945
HydrochlorothiazideHydrochlorothiazide15346
CarvedilolCarvedilol14734
Metformin Hcl ErMetformin Hcl13339
Duloxetine HclDuloxetine Hcl13223
FinasterideFinasteride12736
Metformin HclMetformin Hcl12235
MeloxicamMeloxicam11839
Zolpidem TartrateZolpidem Tartrate11425
Montelukast SodiumMontelukast Sodium10324
OmeprazoleOmeprazole9225
SimvastatinSimvastatin8725
AllopurinolAllopurinol8520
Escitalopram OxalateEscitalopram Oxalate8022
Potassium ChloridePotassium Chloride8021
Sertraline HclSertraline Hcl7521
Warfarin SodiumWarfarin Sodium68suppressed
FurosemideFurosemide6717
Fluticasone PropionateFluticasone Propionate6219
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6019
Trazodone HclTrazodone Hcl5714
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5616
XareltoRivaroxaban5611
Glipizide ErGlipizide5415
Albuterol Sulfate HfaAlbuterol Sulfate5216
MyrbetriqMirabegron52suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen52suppressed
Bupropion XlBupropion Hcl5113
OzempicSemaglutide5116
AlprazolamAlprazolam4915
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4516
Cyclobenzaprine HclCyclobenzaprine Hcl4417
Isosorbide Mononitrate ErIsosorbide Mononitrate4411
ClopidogrelClopidogrel Bisulfate4313
Diltiazem 24hr Er (Cd)Diltiazem Hcl4213
Tramadol HclTramadol Hcl41suppressed
Metoprolol TartrateMetoprolol Tartrate4013
EliquisApixaban3911
EzetimibeEzetimibe3813
FamotidineFamotidine3711
FenofibrateFenofibrate37suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog37suppressed
Tizanidine HclTizanidine Hcl3618
GlipizideGlipizide3512
Venlafaxine Hcl ErVenlafaxine Hcl33suppressed
Alendronate SodiumAlendronate Sodium32suppressed
PregabalinPregabalin32suppressed
ClonazepamClonazepam31suppressed
Donepezil HclDonepezil Hcl3111
Fluoxetine HclFluoxetine Hcl31suppressed
Pravastatin SodiumPravastatin Sodium31suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol29suppressed
JanuviaSitagliptin Phosphate29suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid29suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium28suppressed
FenofibrateFenofibrate Nanocrystallized28suppressed
Amitriptyline HclAmitriptyline Hcl23suppressed
SpironolactoneSpironolactone23suppressed
Citalopram HbrCitalopram Hydrobromide21suppressed
SynthroidLevothyroxine Sodium21suppressed
CarisoprodolCarisoprodol19suppressed
CelecoxibCelecoxib19suppressed
Doxazosin MesylateDoxazosin Mesylate19suppressed
Olmesartan MedoxomilOlmesartan Medoxomil19suppressed
Ondansetron HclOndansetron Hcl1911
Bisoprolol FumarateBisoprolol Fumarate17suppressed
CephalexinCephalexin1715
GlimepirideGlimepiride17suppressed
Novolog FlexpenInsulin Aspart17suppressed
RamiprilRamipril17suppressed
TrulicityDulaglutide17suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1613
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1613
Acetaminophen-CodeineAcetaminophen With Codeine15suppressed
IrbesartanIrbesartan15suppressed
LorazepamLorazepam15suppressed
NortrelNorethindrone-Ethin. Estradiol15suppressed
Oxybutynin ChlorideOxybutynin Chloride15suppressed
Benazepril HclBenazepril Hcl14suppressed
ClonidineClonidine14suppressed
Doxycycline HyclateDoxycycline Hyclate1411
Atomoxetine HclAtomoxetine Hcl13suppressed
Hydralazine HclHydralazine Hcl13suppressed
Propranolol HclPropranolol Hcl13suppressed
Spiriva RespimatTiotropium Bromide13suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic13suppressed
DiazepamDiazepam12suppressed
DigoxinDigoxin12suppressed
Enalapril MaleateEnalapril Maleate12suppressed
PrednisonePrednisone12suppressed
PremarinEstrogens, Conjugated12suppressed
Zolpidem Tartrate ErZolpidem Tartrate12suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril11suppressed
BumetanideBumetanide11suppressed
LovastatinLovastatin11suppressed
Memantine HclMemantine Hcl11suppressed
Tolterodine Tartrate ErTolterodine Tartrate11suppressed

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