Healthcare provider profile · identity verified

Karin G. Patterson, DO

Family Practice · CROWN POINT, IN · NPI 1457362519

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
Levothyroxine SodiumLevothyroxine Sodium401101
Amlodipine BesylateAmlodipine Besylate19957
Losartan PotassiumLosartan Potassium18649
LisinoprilLisinopril17654
Atorvastatin CalciumAtorvastatin Calcium14039
SimvastatinSimvastatin13739
Sertraline HclSertraline Hcl13230
Rosuvastatin CalciumRosuvastatin Calcium12340
AlprazolamAlprazolam11023
SynthroidLevothyroxine Sodium10528
Liothyronine SodiumLiothyronine Sodium9725
Metformin HclMetformin Hcl9530
Pantoprazole SodiumPantoprazole Sodium9536
Montelukast SodiumMontelukast Sodium9127
HydrochlorothiazideHydrochlorothiazide7820
MeloxicamMeloxicam7825
Metoprolol SuccinateMetoprolol Succinate7020
GabapentinGabapentin6520
OmeprazoleOmeprazole6416
Albuterol Sulfate HfaAlbuterol Sulfate6016
Tramadol HclTramadol Hcl5818
Bupropion XlBupropion Hcl5516
Metoprolol TartrateMetoprolol Tartrate5215
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5114
AllopurinolAllopurinol4111
Escitalopram OxalateEscitalopram Oxalate40suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst4032
Trazodone HclTrazodone Hcl3911
Armour ThyroidThyroid,pork36suppressed
Calcitonin-SalmonCalcitonin,salmon,synthetic3612
Duloxetine HclDuloxetine Hcl35suppressed
Venlafaxine Hcl ErVenlafaxine Hcl3512
Citalopram HbrCitalopram Hydrobromide34suppressed
MounjaroTirzepatide33suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide31suppressed
MethylprednisoloneMethylprednisolone3129
Zolpidem TartrateZolpidem Tartrate31suppressed
Pravastatin SodiumPravastatin Sodium3011
Buspirone HclBuspirone Hcl29suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2711
Olmesartan MedoxomilOlmesartan Medoxomil27suppressed
Clonidine HclClonidine Hcl26suppressed
EliquisApixaban26suppressed
Naltrexone HclNaltrexone Hcl26suppressed
AtenololAtenolol24suppressed
Fluticasone PropionateFluticasone Propionate23suppressed
IrbesartanIrbesartan23suppressed
ClopidogrelClopidogrel Bisulfate21suppressed
JanuviaSitagliptin Phosphate21suppressed
Metformin Hcl ErMetformin Hcl21suppressed
Ropinirole HclRopinirole Hcl21suppressed
EzetimibeEzetimibe20suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide20suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen20suppressed
Estradiol (Twice Weekly)Estradiol19suppressed
FentanylFentanyl19suppressed
FurosemideFurosemide18suppressed
LevofloxacinLevofloxacin1816
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
LorazepamLorazepam17suppressed
Np ThyroidThyroid,pork17suppressed
ProgesteroneProgesterone, Micronized17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
CarvedilolCarvedilol16suppressed
EstradiolEstradiol16suppressed
Fluoxetine HclFluoxetine Hcl16suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr15suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog15suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine15suppressed
LinzessLinaclotide15suppressed
OzempicSemaglutide15suppressed
Potassium ChloridePotassium Chloride15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1511
Memantine HclMemantine Hcl14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
Testosterone CypionateTestosterone Cypionate14suppressed
MyrbetriqMirabegron13suppressed
NystatinNystatin13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Warfarin SodiumWarfarin Sodium13suppressed
Doxycycline HyclateDoxycycline Hyclate1212
LansoprazoleLansoprazole12suppressed
RamiprilRamipril12suppressed
SpironolactoneSpironolactone12suppressed
SymbicortBudesonide/Formoterol Fumarate12suppressed
Glipizide ErGlipizide11suppressed
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