Healthcare provider profile · identity verified

John M. Lang, M.D.

Family Practice · ASHEVILLE, NC · NPI 1003815937

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 Calcium25085
LisinoprilLisinopril15950
Amlodipine BesylateAmlodipine Besylate15046
Levothyroxine SodiumLevothyroxine Sodium13340
Losartan PotassiumLosartan Potassium12542
HydrochlorothiazideHydrochlorothiazide11635
Metformin HclMetformin Hcl11537
SimvastatinSimvastatin9630
OmeprazoleOmeprazole9530
GabapentinGabapentin9027
Metoprolol SuccinateMetoprolol Succinate8727
AlprazolamAlprazolam8320
Montelukast SodiumMontelukast Sodium8226
Tamsulosin HclTamsulosin Hcl8131
Rosuvastatin CalciumRosuvastatin Calcium8029
Pantoprazole SodiumPantoprazole Sodium7622
Trazodone HclTrazodone Hcl7623
Escitalopram OxalateEscitalopram Oxalate7523
LorazepamLorazepam7424
FurosemideFurosemide7024
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6720
Metoprolol TartrateMetoprolol Tartrate5421
MeloxicamMeloxicam5216
Albuterol Sulfate HfaAlbuterol Sulfate5114
Trelegy ElliptaFluticasone/Umeclidin/Vilanter50suppressed
Buspirone HclBuspirone Hcl4712
ClonazepamClonazepam4712
AllopurinolAllopurinol4515
Pravastatin SodiumPravastatin Sodium4513
PrednisonePrednisone4325
Zolpidem TartrateZolpidem Tartrate4215
FamotidineFamotidine4012
CarvedilolCarvedilol39suppressed
Sertraline HclSertraline Hcl3813
TrulicityDulaglutide36suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen34suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3314
AzithromycinAzithromycin3222
Potassium ChloridePotassium Chloride31suppressed
MirtazapineMirtazapine3011
SynthroidLevothyroxine Sodium30suppressed
Oxycodone HclOxycodone Hcl29suppressed
PregabalinPregabalin29suppressed
OzempicSemaglutide28suppressed
AtenololAtenolol26suppressed
Citalopram HbrCitalopram Hydrobromide26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl26suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide26suppressed
Alendronate SodiumAlendronate Sodium25suppressed
Bupropion XlBupropion Hcl25suppressed
Fluticasone PropionateFluticasone Propionate2512
JanumetSitagliptin Phos/Metformin Hcl25suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl24suppressed
Spiriva RespimatTiotropium Bromide24suppressed
DiazepamDiazepam23suppressed
Duloxetine HclDuloxetine Hcl23suppressed
JardianceEmpagliflozin23suppressed
LovastatinLovastatin23suppressed
Metformin Hcl ErMetformin Hcl23suppressed
XareltoRivaroxaban23suppressed
Carbidopa-LevodopaCarbidopa/Levodopa22suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog21suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium20suppressed
Tramadol HclTramadol Hcl2011
Enalapril MaleateEnalapril Maleate19suppressed
FinasterideFinasteride19suppressed
IndapamideIndapamide18suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen18suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid18suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1715
Desvenlafaxine Succinate ErDesvenlafaxine Succinate17suppressed
Ondansetron HclOndansetron Hcl17suppressed
Propranolol HclPropranolol Hcl17suppressed
Quetiapine FumarateQuetiapine Fumarate17suppressed
RisperidoneRisperidone17suppressed
SpironolactoneSpironolactone17suppressed
NaproxenNaproxen16suppressed
Ropinirole HclRopinirole Hcl16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
ClopidogrelClopidogrel Bisulfate15suppressed
Doxycycline HyclateDoxycycline Hyclate1511
LidocaineLidocaine15suppressed
Carbamazepine ErCarbamazepine14suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim14suppressed
ValacyclovirValacyclovir Hcl14suppressed
AmoxicillinAmoxicillin1312
Clonidine HclClonidine Hcl13suppressed
Promethazine HclPromethazine Hcl13suppressed
Propranolol Hcl ErPropranolol Hcl13suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide13suppressed
EliquisApixaban12suppressed
Ondansetron OdtOndansetron12suppressed
Amitriptyline HclAmitriptyline Hcl11suppressed
MethimazoleMethimazole11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
TemazepamTemazepam11suppressed
Venlafaxine Hcl ErVenlafaxine 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