Healthcare provider profile · identity verified

Tobin Eugene Jacks, MD

Family Practice · KNOXVILLE, IA · NPI 1538367990

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 Calcium286106
OmeprazoleOmeprazole19868
Amlodipine BesylateAmlodipine Besylate17979
LisinoprilLisinopril15262
Levothyroxine SodiumLevothyroxine Sodium14065
Metoprolol SuccinateMetoprolol Succinate13852
MeloxicamMeloxicam12747
Metformin HclMetformin Hcl11955
Losartan PotassiumLosartan Potassium9447
Potassium ChloridePotassium Chloride9432
FurosemideFurosemide9344
Pantoprazole SodiumPantoprazole Sodium9040
Albuterol Sulfate HfaAlbuterol Sulfate7433
Escitalopram OxalateEscitalopram Oxalate7123
HydrochlorothiazideHydrochlorothiazide7130
GabapentinGabapentin6924
Trazodone HclTrazodone Hcl6926
Montelukast SodiumMontelukast Sodium6625
Tamsulosin HclTamsulosin Hcl6628
Metoprolol TartrateMetoprolol Tartrate6431
AllopurinolAllopurinol6221
SimvastatinSimvastatin5936
GlimepirideGlimepiride5726
Pioglitazone HclPioglitazone Hcl4914
Glipizide ErGlipizide4813
AtenololAtenolol4718
Oxybutynin Chloride ErOxybutynin Chloride4416
Fluticasone PropionateFluticasone Propionate4212
Paroxetine HclParoxetine Hcl4013
Rosuvastatin CalciumRosuvastatin Calcium4017
Pravastatin SodiumPravastatin Sodium3918
PrednisonePrednisone3819
Enalapril MaleateEnalapril Maleate36suppressed
Sertraline HclSertraline Hcl36suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3614
ClopidogrelClopidogrel Bisulfate34suppressed
Metformin Hcl ErMetformin Hcl3418
MyrbetriqMirabegron33suppressed
ChlorthalidoneChlorthalidone30suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl30suppressed
Doxazosin MesylateDoxazosin Mesylate29suppressed
Alendronate SodiumAlendronate Sodium28suppressed
EliquisApixaban2811
Spiriva HandihalerTiotropium Bromide2811
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2723
Fluticasone-SalmeterolFluticasone Propion/Salmeterol26suppressed
Donepezil HclDonepezil Hcl25suppressed
TrulicityDulaglutide25suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl2412
Lantus SolostarInsulin Glargine,hum.Rec.Anlog23suppressed
Tramadol HclTramadol Hcl2311
Diclofenac SodiumDiclofenac Sodium22suppressed
TopiramateTopiramate22suppressed
Citalopram HbrCitalopram Hydrobromide21suppressed
MirtazapineMirtazapine21suppressed
Duloxetine HclDuloxetine Hcl20suppressed
FamotidineFamotidine20suppressed
Ropinirole HclRopinirole Hcl20suppressed
Warfarin SodiumWarfarin Sodium20suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide19suppressed
Fluoxetine HclFluoxetine Hcl18suppressed
Propranolol Hcl ErPropranolol Hcl18suppressed
GlipizideGlipizide17suppressed
SymbicortBudesonide/Formoterol Fumarate17suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
FinasterideFinasteride16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
NaproxenNaproxen15suppressed
Amitriptyline HclAmitriptyline Hcl14suppressed
Benazepril HclBenazepril Hcl14suppressed
LovastatinLovastatin14suppressed
BumetanideBumetanide13suppressed
CarvedilolCarvedilol13suppressed
JardianceEmpagliflozin13suppressed
LevetiracetamLevetiracetam13suppressed
Memantine HclMemantine Hcl13suppressed
Quetiapine Fumarate ErQuetiapine Fumarate13suppressed
TemazepamTemazepam13suppressed
Tizanidine HclTizanidine Hcl13suppressed
XareltoRivaroxaban13suppressed
Bisoprolol FumarateBisoprolol Fumarate12suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro12suppressed
Levemir FlexpenInsulin Detemir12suppressed
Novolog FlexpenInsulin Aspart12suppressed
OzempicSemaglutide12suppressed
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm11suppressed
Ipratropium BromideIpratropium Bromide11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter11suppressed

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