Healthcare provider profile · identity verified

David Lang, DO

Internal Medicine · LIVONIA, MI · NPI 1831131788

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 Calcium26786
Amlodipine BesylateAmlodipine Besylate22871
Levothyroxine SodiumLevothyroxine Sodium16542
Metoprolol SuccinateMetoprolol Succinate14547
Pantoprazole SodiumPantoprazole Sodium13751
Losartan PotassiumLosartan Potassium13647
Duloxetine HclDuloxetine Hcl11233
Lantus SolostarInsulin Glargine,hum.Rec.Anlog10226
Fluticasone PropionateFluticasone Propionate10043
SimvastatinSimvastatin10033
GabapentinGabapentin9424
Albuterol Sulfate HfaAlbuterol Sulfate9344
LisinoprilLisinopril9327
OmeprazoleOmeprazole8728
HydrochlorothiazideHydrochlorothiazide8528
FurosemideFurosemide8337
PrednisonePrednisone8050
Metoprolol TartrateMetoprolol Tartrate7829
EzetimibeEzetimibe7725
Metformin HclMetformin Hcl7422
CarvedilolCarvedilol7030
AtenololAtenolol6414
Rosuvastatin CalciumRosuvastatin Calcium6019
GlipizideGlipizide5813
Sertraline HclSertraline Hcl5816
Montelukast SodiumMontelukast Sodium5518
Zolpidem TartrateZolpidem Tartrate52suppressed
EliquisApixaban5116
Hydroxyzine HclHydroxyzine Hcl4322
Hydralazine HclHydralazine Hcl4217
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen42suppressed
Meclizine HclMeclizine Hcl4225
Tamsulosin HclTamsulosin Hcl4216
ClopidogrelClopidogrel Bisulfate4017
Trazodone HclTrazodone Hcl4016
MethocarbamolMethocarbamol3914
CephalexinCephalexin3731
Potassium ChloridePotassium Chloride3718
ValsartanValsartan3613
Diltiazem 24hr Er (Cd)Diltiazem Hcl3513
Humalog Kwikpen U-100Insulin Lispro32suppressed
AllopurinolAllopurinol31suppressed
FamotidineFamotidine30suppressed
Alendronate SodiumAlendronate Sodium29suppressed
PregabalinPregabalin28suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic27suppressed
Tizanidine HclTizanidine Hcl2611
AzithromycinAzithromycin2320
Nano 2nd Gen Pen NeedlePen Needle, Diabetic23suppressed
ClonazepamClonazepam20suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim20suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate19suppressed
LansoprazoleLansoprazole19suppressed
Oxybutynin ChlorideOxybutynin Chloride19suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1816
BumetanideBumetanide18suppressed
IbuprofenIbuprofen18suppressed
OzempicSemaglutide18suppressed
RybelsusSemaglutide18suppressed
DiazepamDiazepam17suppressed
Klor-Con M20Potassium Chloride1711
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl16suppressed
Ibandronate SodiumIbandronate Sodium16suppressed
OxcarbazepineOxcarbazepine16suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
Doxycycline HyclateDoxycycline Hyclate15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
XareltoRivaroxaban15suppressed
LactuloseLactulose14suppressed
Escitalopram OxalateEscitalopram Oxalate13suppressed
JardianceEmpagliflozin13suppressed
MeloxicamMeloxicam13suppressed
Pravastatin SodiumPravastatin Sodium13suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads12suppressed
AlprazolamAlprazolam12suppressed
Bupropion XlBupropion Hcl12suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate12suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol12suppressed
LevetiracetamLevetiracetam12suppressed
Nifedipine ErNifedipine12suppressed
Quetiapine FumarateQuetiapine Fumarate12suppressed
SpironolactoneSpironolactone12suppressed
TrulicityDulaglutide12suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
FenofibrateFenofibrate,micronized11suppressed
FinasterideFinasteride11suppressed
Glipizide ErGlipizide11suppressed
Metoclopramide HclMetoclopramide Hcl11suppressed
MirtazapineMirtazapine11suppressed
Repatha SureclickEvolocumab11suppressed

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