Healthcare provider profile · identity verified

Michael H Richards, M.D.

Internal Medicine · DURHAM, NC · NPI 1649211475

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 Calcium330100
Amlodipine BesylateAmlodipine Besylate31891
OmeprazoleOmeprazole29589
Rosuvastatin CalciumRosuvastatin Calcium26786
Losartan PotassiumLosartan Potassium20860
Levothyroxine SodiumLevothyroxine Sodium20751
LisinoprilLisinopril18354
GabapentinGabapentin17956
HydrochlorothiazideHydrochlorothiazide17851
Metoprolol SuccinateMetoprolol Succinate17053
Tamsulosin HclTamsulosin Hcl16750
Trazodone HclTrazodone Hcl15246
Pantoprazole SodiumPantoprazole Sodium14437
Metformin Hcl ErMetformin Hcl12439
Sertraline HclSertraline Hcl12134
FurosemideFurosemide11136
SimvastatinSimvastatin11131
AllopurinolAllopurinol10332
Montelukast SodiumMontelukast Sodium10330
EliquisApixaban10020
MeloxicamMeloxicam10031
Tramadol HclTramadol Hcl10027
PrednisonePrednisone9250
Albuterol Sulfate HfaAlbuterol Sulfate9035
Triamcinolone AcetonideTriamcinolone Acetonide8944
Potassium ChloridePotassium Chloride8227
CarvedilolCarvedilol8023
Fluticasone PropionateFluticasone Propionate7725
Metformin HclMetformin Hcl7019
EzetimibeEzetimibe6720
MirtazapineMirtazapine6621
Tizanidine HclTizanidine Hcl6316
ClonazepamClonazepam5914
ClopidogrelClopidogrel Bisulfate5918
Glipizide ErGlipizide5818
Escitalopram OxalateEscitalopram Oxalate5513
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav5442
Metoprolol TartrateMetoprolol Tartrate5313
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5214
AzithromycinAzithromycin5145
Ciprofloxacin HclCiprofloxacin Hcl5139
Donepezil HclDonepezil Hcl5013
Azelastine HclAzelastine Hcl4923
AlprazolamAlprazolam4518
Oxycodone HclOxycodone Hcl4514
OzempicSemaglutide45suppressed
Pravastatin SodiumPravastatin Sodium4516
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4412
Venlafaxine Hcl ErVenlafaxine Hcl4215
LovastatinLovastatin4111
Fluoxetine HclFluoxetine Hcl3811
JardianceEmpagliflozin3813
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3811
Amitriptyline HclAmitriptyline Hcl37suppressed
Quetiapine FumarateQuetiapine Fumarate37suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3711
Duloxetine HclDuloxetine Hcl36suppressed
Enalapril MaleateEnalapril Maleate3611
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen3615
TrulicityDulaglutide36suppressed
FinasterideFinasteride35suppressed
AtenololAtenolol34suppressed
Zolpidem TartrateZolpidem Tartrate3414
SynthroidLevothyroxine Sodium32suppressed
Citalopram HbrCitalopram Hydrobromide31suppressed
FluconazoleFluconazole3118
LorazepamLorazepam31suppressed
PaxlovidNirmatrelvir/Ritonavir3128
Ropinirole HclRopinirole Hcl31suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2912
Bupropion Hcl SrBupropion Hcl27suppressed
Olmesartan MedoxomilOlmesartan Medoxomil27suppressed
NystatinNystatin25suppressed
Benazepril HclBenazepril Hcl24suppressed
CelecoxibCelecoxib24suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol24suppressed
Memantine HclMemantine Hcl24suppressed
RamiprilRamipril24suppressed
Doxycycline HyclateDoxycycline Hyclate2320
Isosorbide Mononitrate ErIsosorbide Mononitrate23suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2314
Verapamil ErVerapamil Hcl22suppressed
Warfarin SodiumWarfarin Sodium22suppressed
Buspirone HclBuspirone Hcl21suppressed
Diclofenac SodiumDiclofenac Sodium21suppressed
GlipizideGlipizide21suppressed
Humalog Kwikpen U-100Insulin Lispro20suppressed
EstradiolEstradiol1911
MounjaroTirzepatide19suppressed
PregabalinPregabalin19suppressed
SpironolactoneSpironolactone19suppressed
ValacyclovirValacyclovir Hcl1914
Wixela InhubFluticasone Propion/Salmeterol19suppressed
Hydroxyzine HclHydroxyzine Hcl18suppressed
Paroxetine HclParoxetine Hcl18suppressed
XareltoRivaroxaban18suppressed
BaclofenBaclofen17suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog17suppressed
Breo ElliptaFluticasone/Vilanterol17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl17suppressed
FarxigaDapagliflozin Propanediol17suppressed
LamotrigineLamotrigine17suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1714
Ondansetron OdtOndansetron17suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter17suppressed
Bupropion XlBupropion Hcl16suppressed
Colesevelam HclColesevelam Hcl16suppressed
KetoconazoleKetoconazole16suppressed
Klor-Con M20Potassium Chloride16suppressed
Pioglitazone HclPioglitazone Hcl16suppressed
ValsartanValsartan16suppressed
Alendronate SodiumAlendronate Sodium15suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip15suppressed
Doxazosin MesylateDoxazosin Mesylate15suppressed
FamotidineFamotidine15suppressed
GlimepirideGlimepiride15suppressed
Humalog Mix 75-25 KwikpenInsulin Lispro Protamin/Lispro15suppressed
MetronidazoleMetronidazole1512
Pramipexole DihydrochloridePramipexole Di-Hcl15suppressed
AmoxicillinAmoxicillin14suppressed
DiazepamDiazepam14suppressed
Fosfomycin TromethamineFosfomycin Tromethamine14suppressed
Tiadylt ErDiltiazem Hcl14suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide14suppressed
Hydralazine HclHydralazine Hcl13suppressed
Solifenacin SuccinateSolifenacin Succinate13suppressed
SucralfateSucralfate13suppressed
TelmisartanTelmisartan13suppressed
ClonidineClonidine12suppressed
Hydromorphone HclHydromorphone Hcl12suppressed
Ipratropium BromideIpratropium Bromide12suppressed
LacosamideLacosamide12suppressed
Mesalamine DrMesalamine12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
Sildenafil CitrateSildenafil Citrate12suppressed
TestosteroneTestosterone12suppressed
Vitamin D2Ergocalciferol (Vitamin D2)12suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine11suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine11suppressed
Promethazine HclPromethazine Hcl11suppressed
Propranolol HclPropranolol Hcl11suppressed

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