Healthcare provider profile · identity verified

Debra M Little, M.D.

Psychiatry · MERRIMAC, MA · NPI 1154571016

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
Quetiapine FumarateQuetiapine Fumarate30224
LorazepamLorazepam24138
OlanzapineOlanzapine23220
Trazodone HclTrazodone Hcl21623
ClonazepamClonazepam18617
AripiprazoleAripiprazole18322
RisperidoneRisperidone170suppressed
Fluphenazine DecanoateFluphenazine Decanoate16113
Duloxetine HclDuloxetine Hcl16015
LamotrigineLamotrigine15216
Sertraline HclSertraline Hcl14919
Benztropine MesylateBenztropine Mesylate12712
Fluoxetine HclFluoxetine Hcl12011
Venlafaxine Hcl ErVenlafaxine Hcl11213
GabapentinGabapentin109suppressed
Buspirone HclBuspirone Hcl9714
Paliperidone ErPaliperidone97suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate93suppressed
Abilify MaintenaAripiprazole90suppressed
Prazosin HclPrazosin Hcl90suppressed
Invega SustennaPaliperidone Palmitate89suppressed
Haloperidol DecanoateHaloperidol Decanoate86suppressed
ClozapineClozapine85suppressed
Divalproex SodiumDivalproex Sodium81suppressed
Venlafaxine HclVenlafaxine Hcl7311
OxcarbazepineOxcarbazepine69suppressed
Vilazodone HclVilazodone Hcl68suppressed
Fluphenazine HclFluphenazine Hcl66suppressed
Citalopram HbrCitalopram Hydrobromide64suppressed
Propranolol HclPropranolol Hcl59suppressed
Lithium Carbonate ErLithium Carbonate57suppressed
Escitalopram OxalateEscitalopram Oxalate54suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine52suppressed
Hydroxyzine HclHydroxyzine Hcl51suppressed
Lurasidone HclLurasidone Hcl44suppressed
CaplytaLumateperone Tosylate43suppressed
VraylarCariprazine Hcl43suppressed
Bupropion XlBupropion Hcl39suppressed
Divalproex Sodium ErDivalproex Sodium38suppressed
Quetiapine Fumarate ErQuetiapine Fumarate38suppressed
AlprazolamAlprazolam37suppressed
Zolpidem TartrateZolpidem Tartrate37suppressed
Bupropion Hcl SrBupropion Hcl36suppressed
Trihexyphenidyl HclTrihexyphenidyl Hcl36suppressed
DiazepamDiazepam34suppressed
Carbamazepine ErCarbamazepine29suppressed
MirtazapineMirtazapine29suppressed
UzedyRisperidone29suppressed
IngrezzaValbenazine Tosylate28suppressed
TopiramateTopiramate28suppressed
Fluvoxamine MaleateFluvoxamine Maleate27suppressed
CarbamazepineCarbamazepine26suppressed
Bupropion HclBupropion Hcl24suppressed
Ropinirole HclRopinirole Hcl23suppressed
Hydroxyzine PamoateHydroxyzine Pamoate22suppressed
Lithium CarbonateLithium Carbonate22suppressed
Methylphenidate ErMethylphenidate Hcl22suppressed
Invega TrinzaPaliperidone Palmitate20suppressed
TrintellixVortioxetine Hydrobromide17suppressed
Risperdal ConstaRisperidone Microspheres14suppressed
Alprazolam ErAlprazolam13suppressed
Atomoxetine HclAtomoxetine Hcl13suppressed
Chlorpromazine HclChlorpromazine Hcl13suppressed
GeodonZiprasidone Hcl13suppressed
Methylphenidate Er (La)Methylphenidate Hcl13suppressed
Methylphenidate Hcl Er (Cd)Methylphenidate Hcl13suppressed
Desmopressin AcetateDesmopressin Acetate12suppressed
Paroxetine CrParoxetine Hcl12suppressed
Paxil CrParoxetine Hcl12suppressed
AustedoDeutetrabenazine11suppressed
EszopicloneEszopiclone11suppressed
Olanzapine OdtOlanzapine11suppressed

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