Healthcare provider profile · identity verified

Maurice E. Corman, M.D.

Family Practice · PIEDMONT, OK · NPI 1548202807

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 Sodium25164
LisinoprilLisinopril12838
OmeprazoleOmeprazole12232
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10827
Atorvastatin CalciumAtorvastatin Calcium9624
GabapentinGabapentin8619
Testosterone CypionateTestosterone Cypionate8626
Amlodipine BesylateAmlodipine Besylate8321
Tamsulosin HclTamsulosin Hcl8321
Montelukast SodiumMontelukast Sodium7721
Trazodone HclTrazodone Hcl7615
HydrochlorothiazideHydrochlorothiazide7217
CelecoxibCelecoxib6511
MeloxicamMeloxicam6119
Losartan PotassiumLosartan Potassium6018
Rosuvastatin CalciumRosuvastatin Calcium6017
Metoprolol TartrateMetoprolol Tartrate59suppressed
Escitalopram OxalateEscitalopram Oxalate5712
Pantoprazole SodiumPantoprazole Sodium5615
SimvastatinSimvastatin5016
Metformin HclMetformin Hcl49suppressed
ProgesteroneProgesterone, Micronized4911
FurosemideFurosemide4712
PregabalinPregabalin43suppressed
MethylprednisoloneMethylprednisolone4232
AnastrozoleAnastrozole3813
Citalopram HbrCitalopram Hydrobromide37suppressed
Terbinafine HclTerbinafine Hcl3712
Vitamin D2Ergocalciferol (Vitamin D2)36suppressed
ArexvyRsvpref3 Antigen/As01e/Pf3535
Bupropion XlBupropion Hcl35suppressed
MounjaroTirzepatide34suppressed
OzempicSemaglutide34suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen33suppressed
Venlafaxine Hcl ErVenlafaxine Hcl33suppressed
AlprazolamAlprazolam3113
Cyclobenzaprine HclCyclobenzaprine Hcl3115
PrednisonePrednisone3121
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide30suppressed
SynthroidLevothyroxine Sodium30suppressed
Pioglitazone HclPioglitazone Hcl29suppressed
Sertraline HclSertraline Hcl29suppressed
Zolpidem TartrateZolpidem Tartrate2912
Metformin Hcl ErMetformin Hcl28suppressed
JardianceEmpagliflozin26suppressed
AllopurinolAllopurinol25suppressed
AzithromycinAzithromycin2521
EstradiolEstradiol25suppressed
Fluticasone PropionateFluticasone Propionate25suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf2417
Oxybutynin Chloride ErOxybutynin Chloride23suppressed
Tramadol HclTramadol Hcl23suppressed
Doxycycline HyclateDoxycycline Hyclate22suppressed
Metoprolol SuccinateMetoprolol Succinate21suppressed
TemazepamTemazepam20suppressed
TrulicityDulaglutide20suppressed
CarvedilolCarvedilol18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium18suppressed
FinasterideFinasteride18suppressed
Liothyronine SodiumLiothyronine Sodium18suppressed
Potassium ChloridePotassium Chloride18suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
Albuterol Sulfate HfaAlbuterol Sulfate17suppressed
AtenololAtenolol17suppressed
IbuprofenIbuprofen17suppressed
RybelsusSemaglutide17suppressed
EliquisApixaban16suppressed
Fluoxetine HclFluoxetine Hcl16suppressed
ModafinilModafinil16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac1515
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)15suppressed
ValacyclovirValacyclovir Hcl15suppressed
CuvitruImmun Glob G(Igg)/Gly/Iga Ov5014suppressed
Alendronate SodiumAlendronate Sodium13suppressed
EszopicloneEszopiclone13suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog13suppressed
NaproxenNaproxen13suppressed
RepaglinideRepaglinide13suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide13suppressed
XyostedTestosterone Enanthate13suppressed
PremarinEstrogens, Conjugated12suppressed
Propranolol Hcl ErPropranolol Hcl12suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine11suppressed
ClopidogrelClopidogrel Bisulfate11suppressed
GlimepirideGlimepiride11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
LovastatinLovastatin11suppressed

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