Healthcare provider profile · identity verified

Jeff Michael Hamman, MD

Internal Medicine · INDIANAPOLIS, IN · NPI 1972706315

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 Calcium475160
Amlodipine BesylateAmlodipine Besylate370123
LisinoprilLisinopril335117
Levothyroxine SodiumLevothyroxine Sodium25577
Losartan PotassiumLosartan Potassium25083
Fluticasone PropionateFluticasone Propionate23381
SimvastatinSimvastatin23375
HydrochlorothiazideHydrochlorothiazide20270
Tamsulosin HclTamsulosin Hcl17167
Pantoprazole SodiumPantoprazole Sodium15651
Albuterol Sulfate HfaAlbuterol Sulfate14276
OmeprazoleOmeprazole14261
FamotidineFamotidine13553
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13542
Trazodone HclTrazodone Hcl13550
GabapentinGabapentin13259
FurosemideFurosemide12651
Metoprolol TartrateMetoprolol Tartrate12344
Alendronate SodiumAlendronate Sodium11543
Sertraline HclSertraline Hcl9936
AllopurinolAllopurinol9130
Metformin HclMetformin Hcl8434
FinasterideFinasteride7126
IbuprofenIbuprofen7034
Triamcinolone AcetonideTriamcinolone Acetonide6935
Rosuvastatin CalciumRosuvastatin Calcium6521
AtenololAtenolol6419
Wixela InhubFluticasone Propion/Salmeterol6320
Doxycycline MonohydrateDoxycycline Monohydrate6148
GlipizideGlipizide6124
ClopidogrelClopidogrel Bisulfate6020
Montelukast SodiumMontelukast Sodium5519
Pravastatin SodiumPravastatin Sodium5522
Terazosin HclTerazosin Hcl5418
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5019
CarvedilolCarvedilol4820
Metformin Hcl ErMetformin Hcl4822
Potassium ChloridePotassium Chloride4817
Spiriva RespimatTiotropium Bromide4614
LovastatinLovastatin4313
Hydralazine HclHydralazine Hcl4123
Metoprolol SuccinateMetoprolol Succinate4118
Clonidine HclClonidine Hcl3913
Duloxetine HclDuloxetine Hcl3914
Humulin NInsulin Nph Human Isophane3713
FluocinonideFluocinonide3220
PrednisonePrednisone3228
Tizanidine HclTizanidine Hcl3220
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf3131
MeloxicamMeloxicam3017
OzempicSemaglutide30suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2828
XareltoRivaroxaban2813
ColchicineColchicine2714
JardianceEmpagliflozin2711
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml27suppressed
EliquisApixaban26suppressed
HydrocortisoneHydrocortisone2613
Oxybutynin ChlorideOxybutynin Chloride26suppressed
Fluoxetine HclFluoxetine Hcl2512
Bupropion Hcl SrBupropion Hcl24suppressed
FenofibrateFenofibrate24suppressed
KetoconazoleKetoconazole24suppressed
HumalogInsulin Lispro23suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl22suppressed
AlvescoCiclesonide2117
Insulin Glargine-YfgnInsulin Glargine-Yfgn21suppressed
Trospium ChlorideTrospium Chloride21suppressed
Propranolol HclPropranolol Hcl20suppressed
Ciprofloxacin HclCiprofloxacin Hcl1916
LorazepamLorazepam1913
Ondansetron HclOndansetron Hcl19suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1914
Warfarin SodiumWarfarin Sodium19suppressed
AcyclovirAcyclovir18suppressed
Clobetasol PropionateClobetasol Propionate18suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl18suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
Nortriptyline HclNortriptyline Hcl18suppressed
Venlafaxine Hcl ErVenlafaxine Hcl18suppressed
CephalexinCephalexin1715
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide17suppressed
MethylprednisoloneMethylprednisolone1716
NystatinNystatin17suppressed
Sumatriptan SuccinateSumatriptan Succinate17suppressed
Fluocinolone AcetonideFluocinolone Acetonide16suppressed
PradaxaDabigatran Etexilate Mesylate1612
EzetimibeEzetimibe14suppressed
Ibandronate SodiumIbandronate Sodium14suppressed
MethocarbamolMethocarbamol14suppressed
MetronidazoleMetronidazole14suppressed
Hydroxyzine HclHydroxyzine Hcl13suppressed
Ondansetron OdtOndansetron13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
LactuloseLactulose12suppressed
Pioglitazone HclPioglitazone Hcl12suppressed
AmoxicillinAmoxicillin11suppressed
Bupropion XlBupropion Hcl11suppressed
CefadroxilCefadroxil11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
NitroglycerinNitroglycerin11suppressed
Venlafaxine HclVenlafaxine Hcl11suppressed
Veo Insulin SyringeSyrge-Ndl,ins 0.3 Ml Half Mark11suppressed

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