Healthcare provider profile · identity verified

Mark Walter Olson, M.D.

Family Practice · MUNISING, MI · NPI 1043254626

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 Calcium33471
OmeprazoleOmeprazole24252
Amlodipine BesylateAmlodipine Besylate23845
Losartan PotassiumLosartan Potassium23752
EliquisApixaban22430
HydrochlorothiazideHydrochlorothiazide18839
Tamsulosin HclTamsulosin Hcl18136
Metoprolol SuccinateMetoprolol Succinate17434
Levothyroxine SodiumLevothyroxine Sodium16938
LisinoprilLisinopril16837
Pravastatin SodiumPravastatin Sodium15429
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14729
Rosuvastatin CalciumRosuvastatin Calcium14430
FurosemideFurosemide13328
GabapentinGabapentin12622
Metformin Hcl ErMetformin Hcl10823
CarvedilolCarvedilol9918
SimvastatinSimvastatin9818
Albuterol Sulfate HfaAlbuterol Sulfate9724
Potassium ChloridePotassium Chloride8915
Montelukast SodiumMontelukast Sodium8616
Metformin HclMetformin Hcl7715
Zolpidem TartrateZolpidem Tartrate7614
Sertraline HclSertraline Hcl6813
GlimepirideGlimepiride6111
ChlorthalidoneChlorthalidone6013
MirtazapineMirtazapine59suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5811
Metoprolol TartrateMetoprolol Tartrate5612
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5511
Tramadol HclTramadol Hcl54suppressed
Warfarin SodiumWarfarin Sodium54suppressed
AlprazolamAlprazolam5312
Trazodone HclTrazodone Hcl5111
Duloxetine HclDuloxetine Hcl50suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate48suppressed
LorazepamLorazepam48suppressed
Citalopram HbrCitalopram Hydrobromide4611
Alendronate SodiumAlendronate Sodium4512
ClonazepamClonazepam41suppressed
Buspirone HclBuspirone Hcl39suppressed
ClopidogrelClopidogrel Bisulfate39suppressed
SpironolactoneSpironolactone38suppressed
AllopurinolAllopurinol37suppressed
AtenololAtenolol37suppressed
Ropinirole HclRopinirole Hcl37suppressed
OzempicSemaglutide36suppressed
Fluoxetine HclFluoxetine Hcl35suppressed
Enalapril MaleateEnalapril Maleate33suppressed
Benazepril HclBenazepril Hcl32suppressed
BumetanideBumetanide31suppressed
Venlafaxine Hcl ErVenlafaxine Hcl31suppressed
XareltoRivaroxaban31suppressed
Amiodarone HclAmiodarone Hcl30suppressed
Fluticasone PropionateFluticasone Propionate2916
Morphine Sulfate ErMorphine Sulfate29suppressed
Clonidine HclClonidine Hcl28suppressed
Escitalopram OxalateEscitalopram Oxalate27suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium26suppressed
GlipizideGlipizide25suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog25suppressed
JardianceEmpagliflozin24suppressed
ClonidineClonidine23suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl23suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl23suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf2320
Advair HfaFluticasone Propion/Salmeterol22suppressed
MethocarbamolMethocarbamol22suppressed
Pantoprazole SodiumPantoprazole Sodium22suppressed
PrednisonePrednisone2212
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2113
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril19suppressed
DigoxinDigoxin19suppressed
EszopicloneEszopiclone19suppressed
FarxigaDapagliflozin Propanediol19suppressed
Bupropion XlBupropion Hcl18suppressed
Amitriptyline HclAmitriptyline Hcl17suppressed
Atenolol-ChlorthalidoneAtenolol/Chlorthalidone17suppressed
EntrestoSacubitril/Valsartan17suppressed
EstradiolEstradiol17suppressed
LovastatinLovastatin17suppressed
Ventolin HfaAlbuterol Sulfate17suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate16suppressed
Doxycycline HyclateDoxycycline Hyclate16suppressed
EzetimibeEzetimibe16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
LevetiracetamLevetiracetam16suppressed
MeloxicamMeloxicam16suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide16suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate15suppressed
Bupropion Hcl SrBupropion Hcl15suppressed
Carbidopa-LevodopaCarbidopa/Levodopa15suppressed
FinasterideFinasteride15suppressed
Ondansetron OdtOndansetron15suppressed
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
ValsartanValsartan15suppressed
Verapamil ErVerapamil Hcl15suppressed
Doxazosin MesylateDoxazosin Mesylate14suppressed
Oxycodone HclOxycodone Hcl14suppressed
BaclofenBaclofen13suppressed
EplerenoneEplerenone13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
FamotidineFamotidine12suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate12suppressed
MinoxidilMinoxidil12suppressed
OlanzapineOlanzapine12suppressed
PregabalinPregabalin12suppressed
Spiriva HandihalerTiotropium Bromide12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide12suppressed
AzithromycinAzithromycin1111
MesalamineMesalamine11suppressed
MetolazoneMetolazone11suppressed
PrimidonePrimidone11suppressed
SynthroidLevothyroxine Sodium11suppressed
TorsemideTorsemide11suppressed
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