Healthcare provider profile · identity verified

David Brignall, M.D.

Family Practice · NEEDHAM, MA · NPI 1801872130

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 Calcium31893
LisinoprilLisinopril21161
Amlodipine BesylateAmlodipine Besylate9931
GabapentinGabapentin8817
Levothyroxine SodiumLevothyroxine Sodium8822
HydrochlorothiazideHydrochlorothiazide8627
Metformin Hcl ErMetformin Hcl8021
SimvastatinSimvastatin7323
Losartan PotassiumLosartan Potassium6820
OmeprazoleOmeprazole6417
Metoprolol SuccinateMetoprolol Succinate5718
EliquisApixaban5615
ClonazepamClonazepam52suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen51suppressed
Albuterol Sulfate HfaAlbuterol Sulfate4219
Tamsulosin HclTamsulosin Hcl4016
AllopurinolAllopurinol36suppressed
Oxycodone HclOxycodone Hcl36suppressed
LorazepamLorazepam35suppressed
Rosuvastatin CalciumRosuvastatin Calcium3512
LovastatinLovastatin34suppressed
Trazodone HclTrazodone Hcl3411
Lantus SolostarInsulin Glargine,hum.Rec.Anlog32suppressed
Sertraline HclSertraline Hcl32suppressed
ClopidogrelClopidogrel Bisulfate30suppressed
Pantoprazole SodiumPantoprazole Sodium30suppressed
Metoprolol TartrateMetoprolol Tartrate29suppressed
FamotidineFamotidine28suppressed
Metformin HclMetformin Hcl2511
Citalopram HbrCitalopram Hydrobromide23suppressed
FurosemideFurosemide2311
BaclofenBaclofen22suppressed
Fluticasone PropionateFluticasone Propionate22suppressed
SynthroidLevothyroxine Sodium22suppressed
Glipizide ErGlipizide20suppressed
Bupropion Hcl SrBupropion Hcl19suppressed
Escitalopram OxalateEscitalopram Oxalate18suppressed
JardianceEmpagliflozin18suppressed
MounjaroTirzepatide18suppressed
OzempicSemaglutide18suppressed
Warfarin SodiumWarfarin Sodium18suppressed
PrednisonePrednisone17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
Wixela InhubFluticasone Propion/Salmeterol17suppressed
Alendronate SodiumAlendronate Sodium15suppressed
AlprazolamAlprazolam15suppressed
Pravastatin SodiumPravastatin Sodium15suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
UrsodiolUrsodiol13suppressed
CarvedilolCarvedilol12suppressed
ChlorthalidoneChlorthalidone12suppressed
Desmopressin AcetateDesmopressin Acetate12suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12suppressed
TacrolimusTacrolimus12suppressed
TrulicityDulaglutide12suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed

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