Healthcare provider profile · identity verified

Matthew Abner Hahn, MD

Family Practice · HANCOCK, MD · NPI 1861431173

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
Amlodipine BesylateAmlodipine Besylate427114
Atorvastatin CalciumAtorvastatin Calcium424121
LisinoprilLisinopril391111
Levothyroxine SodiumLevothyroxine Sodium25574
HydrochlorothiazideHydrochlorothiazide24269
Metformin HclMetformin Hcl23966
Losartan PotassiumLosartan Potassium23471
Rosuvastatin CalciumRosuvastatin Calcium23075
Metoprolol SuccinateMetoprolol Succinate21954
PrednisonePrednisone21696
Fluoxetine HclFluoxetine Hcl18545
MounjaroTirzepatide17732
GabapentinGabapentin17549
AlprazolamAlprazolam16132
Tamsulosin HclTamsulosin Hcl15943
OmeprazoleOmeprazole15845
Pantoprazole SodiumPantoprazole Sodium15842
FurosemideFurosemide15756
Metoprolol TartrateMetoprolol Tartrate13439
EliquisApixaban13132
SimvastatinSimvastatin12833
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12329
OzempicSemaglutide12317
GlimepirideGlimepiride11731
JanuviaSitagliptin Phosphate10826
ClopidogrelClopidogrel Bisulfate10131
Albuterol Sulfate HfaAlbuterol Sulfate9731
Pravastatin SodiumPravastatin Sodium9230
XareltoRivaroxaban9218
Zolpidem TartrateZolpidem Tartrate9116
Escitalopram OxalateEscitalopram Oxalate8933
AllopurinolAllopurinol8627
Tramadol HclTramadol Hcl8120
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen7715
Montelukast SodiumMontelukast Sodium7622
Trazodone HclTrazodone Hcl7416
ValsartanValsartan7320
LorazepamLorazepam72suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl6932
LamotrigineLamotrigine6614
Sertraline HclSertraline Hcl6617
Potassium ChloridePotassium Chloride6521
Citalopram HbrCitalopram Hydrobromide6316
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6216
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide6215
Doxycycline HyclateDoxycycline Hyclate6141
CarvedilolCarvedilol5918
Fluticasone PropionateFluticasone Propionate5817
Amitriptyline HclAmitriptyline Hcl5714
Buspirone HclBuspirone Hcl5612
Trelegy ElliptaFluticasone/Umeclidin/Vilanter5617
LevofloxacinLevofloxacin5435
JardianceEmpagliflozin52suppressed
Tresiba Flextouch U-100Insulin Degludec51suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen50suppressed
ClonazepamClonazepam49suppressed
Doxycycline MonohydrateDoxycycline Monohydrate4841
Duloxetine HclDuloxetine Hcl4611
Esomeprazole MagnesiumEsomeprazole Magnesium4615
Venlafaxine Hcl ErVenlafaxine Hcl4511
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl43suppressed
FamotidineFamotidine4316
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst4231
CelecoxibCelecoxib41suppressed
SpironolactoneSpironolactone40suppressed
Alendronate SodiumAlendronate Sodium3914
Warfarin SodiumWarfarin Sodium37suppressed
AmoxicillinAmoxicillin3632
Glipizide ErGlipizide3511
LansoprazoleLansoprazole35suppressed
SynthroidLevothyroxine Sodium3411
AtenololAtenolol33suppressed
NystatinNystatin3318
ValacyclovirValacyclovir Hcl3314
EzetimibeEzetimibe32suppressed
Paroxetine HclParoxetine Hcl31suppressed
MirtazapineMirtazapine30suppressed
Ciprofloxacin HclCiprofloxacin Hcl2920
FarxigaDapagliflozin Propanediol28suppressed
DiazepamDiazepam27suppressed
MeloxicamMeloxicam27suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
AripiprazoleAripiprazole25suppressed
Carbidopa-LevodopaCarbidopa/Levodopa25suppressed
Pioglitazone HclPioglitazone Hcl25suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid25suppressed
ColchicineColchicine24suppressed
Oxycodone HclOxycodone Hcl24suppressed
Breo ElliptaFluticasone/Vilanterol23suppressed
Potassium Citrate ErPotassium Citrate23suppressed
TemazepamTemazepam23suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2221
Bupropion Hcl SrBupropion Hcl22suppressed
Meclizine HclMeclizine Hcl22suppressed
Metformin Hcl ErMetformin Hcl21suppressed
Ondansetron HclOndansetron Hcl21suppressed
PaxlovidNirmatrelvir/Ritonavir2121
Quetiapine FumarateQuetiapine Fumarate21suppressed
GlipizideGlipizide20suppressed
PregabalinPregabalin20suppressed
PremarinEstrogens, Conjugated20suppressed
PrimidonePrimidone20suppressed
Amiodarone HclAmiodarone Hcl19suppressed
Benazepril HclBenazepril Hcl19suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl19suppressed
GemfibrozilGemfibrozil19suppressed
Ropinirole HclRopinirole Hcl19suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf1914
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine18suppressed
EntrestoSacubitril/Valsartan18suppressed
Terazosin HclTerazosin Hcl18suppressed
Triamcinolone AcetonideTriamcinolone Acetonide18suppressed
Ventolin HfaAlbuterol Sulfate18suppressed
Probenecid-ColchicineProbenecid/Colchicine17suppressed
RisperidoneRisperidone17suppressed
BaclofenBaclofen16suppressed
Dicyclomine HclDicyclomine Hcl16suppressed
Dropsafe Prep PadsAlcohol Antiseptic Pads16suppressed
Hydralazine HclHydralazine Hcl16suppressed
LovastatinLovastatin16suppressed
QuliptaAtogepant16suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1611
AzithromycinAzithromycin15suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog14suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine14suppressed
FinasterideFinasteride14suppressed
FluconazoleFluconazole14suppressed
MetronidazoleMetronidazole1412
Nifedipine ErNifedipine14suppressed
RamiprilRamipril14suppressed
Repatha SureclickEvolocumab14suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril13suppressed
CarisoprodolCarisoprodol13suppressed
EstradiolEstradiol13suppressed
Propranolol Hcl ErPropranolol Hcl13suppressed
Qvar RedihalerBeclomethasone Dipropionate13suppressed
Tizanidine HclTizanidine Hcl13suppressed
Bupropion XlBupropion Hcl12suppressed
Methadone HclMethadone Hcl12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
Tolterodine Tartrate ErTolterodine Tartrate12suppressed
Tri-Lo-EstaryllaNorgestimate-Ethinyl Estradiol12suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic12suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr11suppressed
Arnuity ElliptaFluticasone Furoate11suppressed
CephalexinCephalexin11suppressed
Clonidine HclClonidine Hcl11suppressed
LidocaineLidocaine11suppressed
MethocarbamolMethocarbamol11suppressed
Spiriva HandihalerTiotropium Bromide11suppressed

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