Healthcare provider profile · identity verified

Harry Andrew Mayer, M.D.

Family Practice · NORTH ATTLEBORO, MA · NPI 1083671853

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 Calcium34821
FurosemideFurosemide30515
GabapentinGabapentin277suppressed
Memantine HclMemantine Hcl24612
MirtazapineMirtazapine20812
Trazodone HclTrazodone Hcl20615
Donepezil HclDonepezil Hcl202suppressed
Metoprolol SuccinateMetoprolol Succinate199suppressed
Losartan PotassiumLosartan Potassium189suppressed
Citalopram HbrCitalopram Hydrobromide177suppressed
Levothyroxine SodiumLevothyroxine Sodium163suppressed
LisinoprilLisinopril148suppressed
Pantoprazole SodiumPantoprazole Sodium145suppressed
Sertraline HclSertraline Hcl121suppressed
EliquisApixaban119suppressed
Escitalopram OxalateEscitalopram Oxalate118suppressed
LevetiracetamLevetiracetam106suppressed
Potassium ChloridePotassium Chloride94suppressed
Divalproex SodiumDivalproex Sodium90suppressed
CarvedilolCarvedilol81suppressed
AripiprazoleAripiprazole78suppressed
Labetalol HclLabetalol Hcl76suppressed
OmeprazoleOmeprazole74suppressed
Tamsulosin HclTamsulosin Hcl72suppressed
FinasterideFinasteride68suppressed
LorazepamLorazepam67suppressed
AllopurinolAllopurinol66suppressed
Venlafaxine Hcl ErVenlafaxine Hcl64suppressed
Amlodipine BesylateAmlodipine Besylate62suppressed
CelecoxibCelecoxib60suppressed
Tramadol HclTramadol Hcl58suppressed
Bethanechol ChlorideBethanechol Chloride52suppressed
LamotrigineLamotrigine52suppressed
Lithium CarbonateLithium Carbonate52suppressed
Lurasidone HclLurasidone Hcl52suppressed
ValsartanValsartan52suppressed
Rosuvastatin CalciumRosuvastatin Calcium51suppressed
Fludrocortisone AcetateFludrocortisone Acetate49suppressed
Alendronate SodiumAlendronate Sodium47suppressed
Morphine Sulfate ErMorphine Sulfate47suppressed
OlanzapineOlanzapine47suppressed
Diltiazem 24hr ErDiltiazem Hcl46suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl45suppressed
Metoprolol TartrateMetoprolol Tartrate43suppressed
DigoxinDigoxin37suppressed
Hydralazine HclHydralazine Hcl37suppressed
HydrochlorothiazideHydrochlorothiazide37suppressed
Cinacalcet HclCinacalcet Hcl36suppressed
Doxazosin MesylateDoxazosin Mesylate36suppressed
Metoclopramide HclMetoclopramide Hcl36suppressed
Nifedipine ErNifedipine36suppressed
CalcitriolCalcitriol35suppressed
Morphine SulfateMorphine Sulfate3315
JantovenWarfarin Sodium32suppressed
Metformin HclMetformin Hcl31suppressed
SimvastatinSimvastatin30suppressed
Propranolol HclPropranolol Hcl25suppressed
ClopidogrelClopidogrel Bisulfate24suppressed
Memantine Hcl ErMemantine Hcl24suppressed
BaclofenBaclofen23suppressed
BumetanideBumetanide23suppressed
DutasterideDutasteride23suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
Pravastatin SodiumPravastatin Sodium23suppressed
Solifenacin SuccinateSolifenacin Succinate23suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate22suppressed
LatanoprostLatanoprost21suppressed
Glipizide ErGlipizide20suppressed
Clonidine HclClonidine Hcl19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl17suppressed
SpironolactoneSpironolactone17suppressed
XareltoRivaroxaban17suppressed
Enalapril MaleateEnalapril Maleate16suppressed
BrilintaTicagrelor15suppressed
Chlorhexidine GluconateChlorhexidine Gluconate15suppressed
RamiprilRamipril15suppressed
Amitriptyline HclAmitriptyline Hcl14suppressed
EnuloseLactulose14suppressed
PrednisonePrednisone14suppressed
AtenololAtenolol13suppressed
ChlorthalidoneChlorthalidone13suppressed
CholestyramineCholestyramine (With Sugar)13suppressed
NystatinNystatin13suppressed
Paroxetine HclParoxetine Hcl13suppressed
TopiramateTopiramate13suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12suppressed
RisperidoneRisperidone12suppressed
Vancomycin HclVancomycin Hcl12suppressed
CarbamazepineCarbamazepine11suppressed
Prednisolone AcetatePrednisolone Acetate11suppressed

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