Healthcare provider profile · identity verified

Marcus W. Tjia, MD

Psychiatry · WELLESLEY, MA · NPI 1376605089

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
Trazodone HclTrazodone Hcl35192
LorazepamLorazepam33174
Duloxetine HclDuloxetine Hcl32366
ClonazepamClonazepam29142
Sertraline HclSertraline Hcl28675
LamotrigineLamotrigine25545
Bupropion XlBupropion Hcl21758
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine18824
Quetiapine FumarateQuetiapine Fumarate17829
AripiprazoleAripiprazole16832
Fluoxetine HclFluoxetine Hcl16735
Venlafaxine Hcl ErVenlafaxine Hcl16030
MirtazapineMirtazapine14936
GabapentinGabapentin13319
Escitalopram OxalateEscitalopram Oxalate12629
Bupropion Hcl SrBupropion Hcl11430
Buspirone HclBuspirone Hcl10719
OlanzapineOlanzapine9412
Zolpidem TartrateZolpidem Tartrate8415
Citalopram HbrCitalopram Hydrobromide8220
Methylphenidate HclMethylphenidate Hcl7919
Divalproex SodiumDivalproex Sodium7813
Methylphenidate ErMethylphenidate Hcl7811
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine7216
RisperidoneRisperidone6614
Vilazodone HclVilazodone Hcl63suppressed
AlprazolamAlprazolam56suppressed
Lithium CarbonateLithium Carbonate56suppressed
Benztropine MesylateBenztropine Mesylate49suppressed
Doxepin HclDoxepin Hcl47suppressed
DiazepamDiazepam45suppressed
Lurasidone HclLurasidone Hcl43suppressed
Divalproex Sodium ErDivalproex Sodium39suppressed
PerphenazinePerphenazine37suppressed
HaloperidolHaloperidol35suppressed
Lithium Carbonate ErLithium Carbonate35suppressed
Fluvoxamine MaleateFluvoxamine Maleate32suppressed
CarbamazepineCarbamazepine31suppressed
VraylarCariprazine Hcl31suppressed
Nortriptyline HclNortriptyline Hcl27suppressed
Invega SustennaPaliperidone Palmitate26suppressed
Prazosin HclPrazosin Hcl25suppressed
Naltrexone HclNaltrexone Hcl22suppressed
Adderall XrDextroamphetamine/Amphetamine21suppressed
Clomipramine HclClomipramine Hcl21suppressed
TemazepamTemazepam20suppressed
Clonidine HclClonidine Hcl18suppressed
RexultiBrexpiprazole17suppressed
VyvanseLisdexamfetamine Dimesylate17suppressed
Fluphenazine HclFluphenazine Hcl16suppressed
Paroxetine HclParoxetine Hcl15suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
EszopicloneEszopiclone13suppressed
IngrezzaValbenazine Tosylate13suppressed
Methylphenidate Hcl Er (Cd)Methylphenidate Hcl13suppressed
TrintellixVortioxetine Hydrobromide13suppressed
AmbienZolpidem Tartrate12suppressed

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