Healthcare provider profile · identity verified

David J Carlson, M.D.

Internal Medicine · MILFORD, MA · NPI 1871695296

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 Calcium760405
LisinoprilLisinopril439239
Amlodipine BesylateAmlodipine Besylate365187
Levothyroxine SodiumLevothyroxine Sodium328177
OmeprazoleOmeprazole323161
GabapentinGabapentin253133
Losartan PotassiumLosartan Potassium244126
Metoprolol SuccinateMetoprolol Succinate241128
HydrochlorothiazideHydrochlorothiazide209115
FurosemideFurosemide193109
LorazepamLorazepam190123
SimvastatinSimvastatin18295
EliquisApixaban17569
Metformin HclMetformin Hcl170115
Rosuvastatin CalciumRosuvastatin Calcium15177
AtenololAtenolol14467
Albuterol Sulfate HfaAlbuterol Sulfate14396
Metoprolol TartrateMetoprolol Tartrate14264
Tamsulosin HclTamsulosin Hcl13962
Pantoprazole SodiumPantoprazole Sodium12151
Trazodone HclTrazodone Hcl10764
Sertraline HclSertraline Hcl10655
Citalopram HbrCitalopram Hydrobromide9343
AlprazolamAlprazolam9050
GlipizideGlipizide8853
Alendronate SodiumAlendronate Sodium8749
Pravastatin SodiumPravastatin Sodium8749
FamotidineFamotidine7840
IbuprofenIbuprofen7752
AllopurinolAllopurinol7645
ClopidogrelClopidogrel Bisulfate7130
Fluticasone PropionateFluticasone Propionate7141
Cyclobenzaprine HclCyclobenzaprine Hcl7045
Oxycodone HclOxycodone Hcl7045
Tramadol HclTramadol Hcl7055
ClonazepamClonazepam6941
Escitalopram OxalateEscitalopram Oxalate6239
BaclofenBaclofen5732
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5636
Fluoxetine HclFluoxetine Hcl5330
Metformin Hcl ErMetformin Hcl5337
Paroxetine HclParoxetine Hcl5324
Zolpidem TartrateZolpidem Tartrate5227
LovastatinLovastatin4723
Diclofenac SodiumDiclofenac Sodium4627
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen4433
ChlorthalidoneChlorthalidone4224
MirtazapineMirtazapine3918
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3821
Warfarin SodiumWarfarin Sodium3823
Amitriptyline HclAmitriptyline Hcl3621
Diltiazem 24hr Er (Cd)Diltiazem Hcl3613
Potassium ChloridePotassium Chloride3619
EzetimibeEzetimibe3517
TrulicityDulaglutide3513
Acetaminophen-CodeineAcetaminophen With Codeine3415
Bupropion XlBupropion Hcl3215
Donepezil HclDonepezil Hcl31suppressed
FinasterideFinasteride3117
Oxybutynin Chloride ErOxybutynin Chloride3116
Meclizine HclMeclizine Hcl2916
Montelukast SodiumMontelukast Sodium2913
PrednisonePrednisone2922
OzempicSemaglutide2816
Terazosin HclTerazosin Hcl28suppressed
DiazepamDiazepam2719
Duloxetine HclDuloxetine Hcl2716
Glipizide ErGlipizide2618
NaproxenNaproxen2517
Nifedipine ErNifedipine25suppressed
Ondansetron HclOndansetron Hcl2517
XareltoRivaroxaban25suppressed
LevetiracetamLevetiracetam2411
Memantine HclMemantine Hcl24suppressed
PregabalinPregabalin2415
CelecoxibCelecoxib2314
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2323
Buspirone HclBuspirone Hcl22suppressed
Ropinirole HclRopinirole Hcl22suppressed
SpironolactoneSpironolactone2216
JardianceEmpagliflozin2112
FenofibrateFenofibrate2016
Triamcinolone AcetonideTriamcinolone Acetonide2015
ValsartanValsartan2013
Insulin SyringeSyringe And Needle,insulin,1ml19suppressed
LantusInsulin Glargine,hum.Rec.Anlog19suppressed
NystatinNystatin19suppressed
AcyclovirAcyclovir18suppressed
SynthroidLevothyroxine Sodium1812
Bupropion Hcl SrBupropion Hcl17suppressed
Doxazosin MesylateDoxazosin Mesylate17suppressed
JanuviaSitagliptin Phosphate17suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl17suppressed
AzithromycinAzithromycin1616
Nortriptyline HclNortriptyline Hcl16suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate15suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine14suppressed
Clobetasol PropionateClobetasol Propionate14suppressed
DigoxinDigoxin14suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1411
PaxlovidNirmatrelvir/Ritonavir1414
Propranolol HclPropranolol Hcl14suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1414
CarvedilolCarvedilol13suppressed
Divalproex SodiumDivalproex Sodium13suppressed
Labetalol HclLabetalol Hcl13suppressed
Quetiapine FumarateQuetiapine Fumarate13suppressed
Sumatriptan SuccinateSumatriptan Succinate13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Ventolin HfaAlbuterol Sulfate1311
Isosorbide Mononitrate ErIsosorbide Mononitrate12suppressed
LevocarnitineLevocarnitine (With Sugar)12suppressed
RisperidoneRisperidone12suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic12suppressed
Verapamil ErVerapamil Hcl12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1111
CreonLipase/Protease/Amylase11suppressed
FenofibrateFenofibrate Nanocrystallized11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed

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