Healthcare provider profile · identity verified

Mark D Rickmeyer, D.O.

Family Practice · FENTON, MO · NPI 1578509337

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 Calcium524183
LisinoprilLisinopril290109
Amlodipine BesylateAmlodipine Besylate25486
Losartan PotassiumLosartan Potassium23276
Pantoprazole SodiumPantoprazole Sodium19571
MeloxicamMeloxicam19450
Levothyroxine SodiumLevothyroxine Sodium17772
OmeprazoleOmeprazole17563
SimvastatinSimvastatin16954
Metformin HclMetformin Hcl16059
Citalopram HbrCitalopram Hydrobromide14054
Tamsulosin HclTamsulosin Hcl13450
Pravastatin SodiumPravastatin Sodium13137
HydrochlorothiazideHydrochlorothiazide11638
Potassium ChloridePotassium Chloride11229
Metoprolol TartrateMetoprolol Tartrate10837
Montelukast SodiumMontelukast Sodium9227
Albuterol Sulfate HfaAlbuterol Sulfate8628
Alendronate SodiumAlendronate Sodium7927
Rosuvastatin CalciumRosuvastatin Calcium7831
FinasterideFinasteride7321
Metoprolol SuccinateMetoprolol Succinate7127
FurosemideFurosemide6925
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6622
AlprazolamAlprazolam6330
CarvedilolCarvedilol6319
Tramadol HclTramadol Hcl6342
EliquisApixaban6216
ClopidogrelClopidogrel Bisulfate6018
GabapentinGabapentin5623
Paroxetine HclParoxetine Hcl56suppressed
Trazodone HclTrazodone Hcl5522
GlimepirideGlimepiride5416
OzempicSemaglutide4712
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4123
Warfarin SodiumWarfarin Sodium4113
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4015
LovastatinLovastatin3413
Escitalopram OxalateEscitalopram Oxalate3311
CelecoxibCelecoxib3211
FamotidineFamotidine32suppressed
Fluoxetine HclFluoxetine Hcl32suppressed
Glipizide ErGlipizide32suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen3118
Testosterone CypionateTestosterone Cypionate3011
Clonidine HclClonidine Hcl28suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate28suppressed
Memantine HclMemantine Hcl28suppressed
Sertraline HclSertraline Hcl2811
EstradiolEstradiol27suppressed
Metformin Hcl ErMetformin Hcl2711
Duloxetine HclDuloxetine Hcl26suppressed
GlipizideGlipizide25suppressed
MounjaroTirzepatide25suppressed
AllopurinolAllopurinol24suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2411
Diclofenac SodiumDiclofenac Sodium24suppressed
Venlafaxine Hcl ErVenlafaxine Hcl24suppressed
Zolpidem TartrateZolpidem Tartrate2312
AtenololAtenolol22suppressed
Benazepril HclBenazepril Hcl22suppressed
Donepezil HclDonepezil Hcl22suppressed
LinzessLinaclotide22suppressed
Carbidopa-LevodopaCarbidopa/Levodopa21suppressed
FenofibrateFenofibrate21suppressed
Amitriptyline HclAmitriptyline Hcl20suppressed
SymbicortBudesonide/Formoterol Fumarate20suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide19suppressed
CilostazolCilostazol19suppressed
Combivent RespimatIpratropium/Albuterol Sulfate19suppressed
Hydralazine HclHydralazine Hcl19suppressed
IbuprofenIbuprofen19suppressed
Bisoprolol FumarateBisoprolol Fumarate18suppressed
SpironolactoneSpironolactone18suppressed
ClonazepamClonazepam17suppressed
FenofibrateFenofibrate,micronized17suppressed
Fluticasone PropionateFluticasone Propionate17suppressed
LamotrigineLamotrigine17suppressed
LorazepamLorazepam17suppressed
Nifedipine ErNifedipine17suppressed
Tizanidine HclTizanidine Hcl17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
Wixela InhubFluticasone Propion/Salmeterol17suppressed
LansoprazoleLansoprazole16suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog16suppressed
Propranolol HclPropranolol Hcl16suppressed
ValacyclovirValacyclovir Hcl16suppressed
Ropinirole HclRopinirole Hcl15suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter15suppressed
Bupropion XlBupropion Hcl14suppressed
NaproxenNaproxen14suppressed
NitrofurantoinNitrofurantoin Macrocrystal14suppressed
EzetimibeEzetimibe13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
JardianceEmpagliflozin13suppressed
Olmesartan MedoxomilOlmesartan Medoxomil13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
Spiriva HandihalerTiotropium Bromide13suppressed
FarxigaDapagliflozin Propanediol12suppressed
LevetiracetamLevetiracetam12suppressed
MetolazoneMetolazone12suppressed
PrimidonePrimidone12suppressed
TemazepamTemazepam12suppressed
TradjentaLinagliptin12suppressed
DiazepamDiazepam11suppressed
MethotrexateMethotrexate Sodium11suppressed
Solifenacin SuccinateSolifenacin Succinate11suppressed
Sumatriptan SuccinateSumatriptan Succinate11suppressed
XareltoRivaroxaban11suppressed

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