Healthcare provider profile · identity verified

Christopher Marks Leach, MD

Allopathic & Osteopathic Physicians|Family Medicine · O'DONNELL, TX · NPI 1881040665

Profile state: payments and partd 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

CMS Open Payments records show Christopher Marks Leach, MD received $14.89 in general payments during 2025 across 1 reported records.

Novo Nordisk Inc accounted for 100.0% of that reported general-payment amount.

Novo Nordisk Inc reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Ozempic as an associated drug or biological on 261625 records involving 77793 distinct recipient NPIs. Public Medicare Part D data also shows 33 claims for Ozempic by this doctor in 2024.

Novo Nordisk Inc reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Rybelsus as an associated drug or biological on 161257 records involving 55409 distinct recipient NPIs. Public Medicare Part D data also shows 13 claims for Rybelsus by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$14.89

1 reported records · 1 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Novo Nordisk Inc Unresolved — no canonical attribution shown $14.89100.0%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$14.891

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Payment records were found, but the reported records did not identify a specific associated product for this analysis.

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.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Novo Nordisk Inc
Exact reporting entity; no affiliate inference
2025 Ozempic
open payments reported associated product
CMS Open Payments — General Payments
261625 supporting records · 77793 recipient NPIs · example record 1188130076
Ozempic · 2024
Exact normalized brand match · 1 Part D row
33 suppressed by CMS
Novo Nordisk Inc
Exact reporting entity; no affiliate inference
2025 Rybelsus
open payments reported associated product
CMS Open Payments — General Payments
161257 supporting records · 55409 recipient NPIs · example record 1188130076
Rybelsus · 2024
Exact normalized brand match · 1 Part D row
13 suppressed by CMS

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 Sodium544111
Atorvastatin CalciumAtorvastatin Calcium35373
GabapentinGabapentin34989
LisinoprilLisinopril32064
Potassium ChloridePotassium Chloride31354
Amlodipine BesylateAmlodipine Besylate26154
FurosemideFurosemide25655
MeloxicamMeloxicam22165
Pantoprazole SodiumPantoprazole Sodium18858
EliquisApixaban18517
Tamsulosin HclTamsulosin Hcl16939
Losartan PotassiumLosartan Potassium16737
Sertraline HclSertraline Hcl15520
Metformin HclMetformin Hcl15343
Metoprolol TartrateMetoprolol Tartrate14022
Rosuvastatin CalciumRosuvastatin Calcium14037
Tramadol HclTramadol Hcl13741
Divalproex SodiumDivalproex Sodium13518
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11318
Montelukast SodiumMontelukast Sodium11232
AzithromycinAzithromycin10488
Trazodone HclTrazodone Hcl10322
Escitalopram OxalateEscitalopram Oxalate10121
Buspirone HclBuspirone Hcl9914
HydrochlorothiazideHydrochlorothiazide9824
Metoprolol SuccinateMetoprolol Succinate9424
Albuterol Sulfate HfaAlbuterol Sulfate9026
Tizanidine HclTizanidine Hcl9016
Donepezil HclDonepezil Hcl8816
AlprazolamAlprazolam8316
LevetiracetamLevetiracetam79suppressed
CephalexinCephalexin7660
JanuviaSitagliptin Phosphate7611
Duloxetine HclDuloxetine Hcl7517
SimvastatinSimvastatin7514
Sodium Chloride0.9 % Sodium Chloride7528
Cyclobenzaprine HclCyclobenzaprine Hcl7441
JardianceEmpagliflozin7311
GlipizideGlipizide7215
Ondansetron HclOndansetron Hcl7225
PrednisonePrednisone7238
CarvedilolCarvedilol7114
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7121
PregabalinPregabalin6712
AtenololAtenolol6616
OmeprazoleOmeprazole6516
EnuloseLactulose64suppressed
ClopidogrelClopidogrel Bisulfate6214
AllopurinolAllopurinol6115
Citalopram HbrCitalopram Hydrobromide6012
MounjaroTirzepatide59suppressed
Diclofenac SodiumDiclofenac Sodium5825
Metoclopramide HclMetoclopramide Hcl58suppressed
MyrbetriqMirabegron58suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim5638
MirtazapineMirtazapine5318
Paroxetine HclParoxetine Hcl53suppressed
Zolpidem TartrateZolpidem Tartrate53suppressed
Hydralazine HclHydralazine Hcl5222
Fluticasone PropionateFluticasone Propionate5123
Doxycycline HyclateDoxycycline Hyclate5041
Acetaminophen-CodeineAcetaminophen With Codeine4917
Oxybutynin Chloride ErOxybutynin Chloride4813
Hydroxyzine PamoateHydroxyzine Pamoate4621
Pravastatin SodiumPravastatin Sodium4611
CarbamazepineCarbamazepine45suppressed
LatanoprostLatanoprost45suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc43suppressed
BaclofenBaclofen42suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst4130
Doxycycline MonohydrateDoxycycline Monohydrate4034
EntrestoSacubitril/Valsartan40suppressed
LovastatinLovastatin40suppressed
Amitriptyline HclAmitriptyline Hcl39suppressed
BrilintaTicagrelor39suppressed
LorazepamLorazepam3912
Memantine HclMemantine Hcl39suppressed
Metformin Hcl ErMetformin Hcl39suppressed
FinasterideFinasteride37suppressed
NitrofurantoinNitrofurantoin Macrocrystal36suppressed
RisperidoneRisperidone36suppressed
BumetanideBumetanide35suppressed
Bupropion HclBupropion Hcl35suppressed
OlanzapineOlanzapine3511
PhenobarbitalPhenobarbital35suppressed
OxcarbazepineOxcarbazepine34suppressed
Meclizine HclMeclizine Hcl3311
OzempicSemaglutide33suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog32suppressed
Fluoxetine HclFluoxetine Hcl32suppressed
Tresiba Flextouch U-100Insulin Degludec31suppressed
Alendronate SodiumAlendronate Sodium30suppressed
Quetiapine FumarateQuetiapine Fumarate30suppressed
TopiramateTopiramate30suppressed
AmoxicillinAmoxicillin2917
Divalproex Sodium ErDivalproex Sodium29suppressed
SynthroidLevothyroxine Sodium29suppressed
XareltoRivaroxaban29suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf2828
Bupropion Hcl SrBupropion Hcl26suppressed
Ciprofloxacin HclCiprofloxacin Hcl2617
LamotrigineLamotrigine26suppressed
Megestrol AcetateMegestrol Acetate26suppressed
SpironolactoneSpironolactone26suppressed
Hydroxyzine HclHydroxyzine Hcl25suppressed
MethylprednisoloneMethylprednisolone2518
Venlafaxine Hcl ErVenlafaxine Hcl25suppressed
AustedoDeutetrabenazine24suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog24suppressed
Propranolol HclPropranolol Hcl24suppressed
Valproic AcidValproic Acid (As Sodium Salt)24suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2321
CholestyramineCholestyramine (With Sugar)23suppressed
SucralfateSucralfate23suppressed
Ventolin HfaAlbuterol Sulfate23suppressed
Breo ElliptaFluticasone/Vilanterol22suppressed
CeftriaxoneCeftriaxone Sodium22suppressed
LevofloxacinLevofloxacin22suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended22suppressed
Ropinirole HclRopinirole Hcl22suppressed
CelecoxibCelecoxib21suppressed
Enalapril MaleateEnalapril Maleate21suppressed
FarxigaDapagliflozin Propanediol21suppressed
FluconazoleFluconazole2114
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride21suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide21suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl21suppressed
DigoxinDigoxin20suppressed
NystatinNystatin2013
Ondansetron OdtOndansetron2017
Trelegy ElliptaFluticasone/Umeclidin/Vilanter19suppressed
Bupropion XlBupropion Hcl18suppressed
CefuroximeCefuroxime Axetil18suppressed
Dexamethasone Sodium PhosphateDexamethasone Sodium Phosphate1814
FamotidineFamotidine18suppressed
FenofibrateFenofibrate Nanocrystallized18suppressed
FentanylFentanyl18suppressed
ScopolamineScopolamine18suppressed
SymbicortBudesonide/Formoterol Fumarate18suppressed
Benztropine MesylateBenztropine Mesylate17suppressed
Clindamycin HclClindamycin Hcl17suppressed
ColchicineColchicine17suppressed
HydrocortisoneHydrocortisone17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate17suppressed
LactuloseLactulose1713
MethocarbamolMethocarbamol17suppressed
Midodrine HclMidodrine Hcl17suppressed
Pioglitazone HclPioglitazone Hcl17suppressed
Amiodarone HclAmiodarone Hcl16suppressed
ClonazepamClonazepam16suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)16suppressed
Dicyclomine HclDicyclomine Hcl16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
IrbesartanIrbesartan16suppressed
Promethazine HclPromethazine Hcl16suppressed
CilostazolCilostazol15suppressed
GemfibrozilGemfibrozil15suppressed
LidocaineLidocaine15suppressed
Olmesartan MedoxomilOlmesartan Medoxomil15suppressed
Oxybutynin ChlorideOxybutynin Chloride15suppressed
Benazepril HclBenazepril Hcl14suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl14suppressed
ChlorthalidoneChlorthalidone14suppressed
Clobetasol PropionateClobetasol Propionate14suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide14suppressed
VascepaIcosapent Ethyl14suppressed
Brimonidine TartrateBrimonidine Tartrate13suppressed
Carbidopa-LevodopaCarbidopa/Levodopa13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
EstradiolEstradiol13suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate13suppressed
Nifedipine ErNifedipine13suppressed
Novolin R FlexpenInsulin Regular, Human13suppressed
PentoxifyllinePentoxifylline13suppressed
Risperdal ConstaRisperidone Microspheres13suppressed
RybelsusSemaglutide13suppressed
ValsartanValsartan13suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine12suppressed
FenofibrateFenofibrate,micronized12suppressed
PrimidonePrimidone12suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol11suppressed
Clonidine HclClonidine Hcl11suppressed
IbuprofenIbuprofen11suppressed
Ketorolac TromethamineKetorolac Tromethamine11suppressed
NaproxenNaproxen11suppressed
Nebivolol HclNebivolol Hcl11suppressed
NyamycNystatin11suppressed
Terazosin HclTerazosin 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 $14.89 · 1 records Novo Nordisk Inc 2
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