Healthcare provider profile · identity verified

Anna Christine Mark, MD

Family Practice · DECORAH, IA · NPI 1497249098

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 Calcium31178
Levothyroxine SodiumLevothyroxine Sodium21554
Metoprolol SuccinateMetoprolol Succinate15844
LisinoprilLisinopril15643
Amlodipine BesylateAmlodipine Besylate11335
Pantoprazole SodiumPantoprazole Sodium10534
OmeprazoleOmeprazole10424
GabapentinGabapentin10122
EliquisApixaban8816
Losartan PotassiumLosartan Potassium8532
FurosemideFurosemide8328
Duloxetine HclDuloxetine Hcl7113
Metoprolol TartrateMetoprolol Tartrate6917
HydrochlorothiazideHydrochlorothiazide6720
Rosuvastatin CalciumRosuvastatin Calcium6627
Alendronate SodiumAlendronate Sodium6518
Diltiazem 24hr Er (Cd)Diltiazem Hcl59suppressed
JardianceEmpagliflozin5311
Carbamazepine ErCarbamazepine51suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol4914
Fluticasone PropionateFluticasone Propionate4814
AllopurinolAllopurinol4613
Sertraline HclSertraline Hcl4319
Trazodone HclTrazodone Hcl4313
Albuterol Sulfate HfaAlbuterol Sulfate4121
Venlafaxine Hcl ErVenlafaxine Hcl41suppressed
Potassium ChloridePotassium Chloride40suppressed
OzempicSemaglutide39suppressed
SimvastatinSimvastatin3911
PrednisonePrednisone3722
Warfarin SodiumWarfarin Sodium37suppressed
Fluoxetine HclFluoxetine Hcl32suppressed
LevetiracetamLevetiracetam32suppressed
Metformin HclMetformin Hcl32suppressed
Metformin Hcl ErMetformin Hcl32suppressed
FamotidineFamotidine3012
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid29suppressed
LamotrigineLamotrigine28suppressed
LovastatinLovastatin28suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
SpironolactoneSpironolactone26suppressed
CarvedilolCarvedilol25suppressed
TrulicityDulaglutide24suppressed
NitroglycerinNitroglycerin2313
XareltoRivaroxaban22suppressed
Donepezil HclDonepezil Hcl21suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide21suppressed
TorsemideTorsemide21suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog21suppressed
BaclofenBaclofen20suppressed
EzetimibeEzetimibe20suppressed
Tamsulosin HclTamsulosin Hcl20suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav18suppressed
AtenololAtenolol18suppressed
Benazepril HclBenazepril Hcl18suppressed
CelecoxibCelecoxib18suppressed
Citalopram HbrCitalopram Hydrobromide18suppressed
ClopidogrelClopidogrel Bisulfate18suppressed
Escitalopram OxalateEscitalopram Oxalate18suppressed
CephalexinCephalexin1717
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog16suppressed
Montelukast SodiumMontelukast Sodium16suppressed
Quetiapine FumarateQuetiapine Fumarate16suppressed
TopiramateTopiramate15suppressed
Enalapril MaleateEnalapril Maleate14suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended14suppressed
Spiriva RespimatTiotropium Bromide14suppressed
SymbicortBudesonide/Formoterol Fumarate14suppressed
Advair DiskusFluticasone Propion/Salmeterol13suppressed
Bupropion XlBupropion Hcl13suppressed
MounjaroTirzepatide13suppressed
PhenytoinPhenytoin13suppressed
Pravastatin SodiumPravastatin Sodium12suppressed
Spiriva HandihalerTiotropium Bromide12suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1111

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