Healthcare provider profile · identity verified

Neil S Birnbaum, MD

Internal Medicine · NORWOOD, MA · NPI 1659378628

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 Calcium876282
SimvastatinSimvastatin362110
Rosuvastatin CalciumRosuvastatin Calcium330119
Amlodipine BesylateAmlodipine Besylate30092
OmeprazoleOmeprazole23081
LisinoprilLisinopril21672
Levothyroxine SodiumLevothyroxine Sodium21569
Losartan PotassiumLosartan Potassium19766
Metformin HclMetformin Hcl15648
Metoprolol SuccinateMetoprolol Succinate13649
Tamsulosin HclTamsulosin Hcl13243
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide11640
EzetimibeEzetimibe9334
Alendronate SodiumAlendronate Sodium9130
HydrochlorothiazideHydrochlorothiazide8831
TelmisartanTelmisartan8329
AllopurinolAllopurinol8027
Pravastatin SodiumPravastatin Sodium7527
LorazepamLorazepam7327
Albuterol Sulfate HfaAlbuterol Sulfate6929
Sertraline HclSertraline Hcl5923
Trazodone HclTrazodone Hcl5718
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5617
Olmesartan MedoxomilOlmesartan Medoxomil5317
FurosemideFurosemide5214
EliquisApixaban5115
JardianceEmpagliflozin4913
Labetalol HclLabetalol Hcl4812
TrulicityDulaglutide46suppressed
FamotidineFamotidine37suppressed
Zolpidem TartrateZolpidem Tartrate37suppressed
AtenololAtenolol3611
Metformin Hcl ErMetformin Hcl3515
Fluticasone PropionateFluticasone Propionate3415
Wixela InhubFluticasone Propion/Salmeterol33suppressed
IrbesartanIrbesartan32suppressed
Pantoprazole SodiumPantoprazole Sodium32suppressed
Citalopram HbrCitalopram Hydrobromide29suppressed
IbuprofenIbuprofen2813
TorsemideTorsemide27suppressed
FinasterideFinasteride26suppressed
GabapentinGabapentin2513
Doxycycline MonohydrateDoxycycline Monohydrate2414
ChlorthalidoneChlorthalidone23suppressed
ClonazepamClonazepam23suppressed
Escitalopram OxalateEscitalopram Oxalate2312
Warfarin SodiumWarfarin Sodium22suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen21suppressed
Bupropion Hcl SrBupropion Hcl19suppressed
Alfuzosin Hcl ErAlfuzosin Hcl18suppressed
FenofibrateFenofibrate,micronized18suppressed
Metoprolol TartrateMetoprolol Tartrate18suppressed
PrednisonePrednisone1815
Tramadol HclTramadol Hcl18suppressed
MirtazapineMirtazapine17suppressed
Montelukast SodiumMontelukast Sodium17suppressed
NexlizetBempedoic Acid/Ezetimibe17suppressed
AlprazolamAlprazolam16suppressed
ClopidogrelClopidogrel Bisulfate16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol16suppressed
OzempicSemaglutide16suppressed
DiazepamDiazepam15suppressed
SpironolactoneSpironolactone15suppressed
SynthroidLevothyroxine Sodium15suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide14suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide14suppressed
LidocaineLidocaine13suppressed
BaclofenBaclofen12suppressed
Lidocaine Hcl ViscousLidocaine Hcl12suppressed
NitroglycerinNitroglycerin12suppressed
PregabalinPregabalin12suppressed
TestosteroneTestosterone12suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl11suppressed
Fluoxetine HclFluoxetine Hcl11suppressed
OxcarbazepineOxcarbazepine11suppressed
ValsartanValsartan11suppressed

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