Healthcare provider profile · identity verified

Chitra Chinnaswamy, MD

Psychiatry · RIVERSIDE, MO · NPI 1740388933

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 Hcl36837
Sertraline HclSertraline Hcl29237
Fluoxetine HclFluoxetine Hcl22130
AlprazolamAlprazolam21843
Divalproex Sodium ErDivalproex Sodium204suppressed
TopiramateTopiramate178suppressed
Bupropion XlBupropion Hcl17124
Quetiapine FumarateQuetiapine Fumarate15420
Venlafaxine Hcl ErVenlafaxine Hcl14935
ClonazepamClonazepam14020
OlanzapineOlanzapine13715
RisperidoneRisperidone133suppressed
LorazepamLorazepam11022
LamotrigineLamotrigine84suppressed
Paroxetine HclParoxetine Hcl83suppressed
MirtazapineMirtazapine78suppressed
Lithium CarbonateLithium Carbonate76suppressed
Citalopram HbrCitalopram Hydrobromide7218
Escitalopram OxalateEscitalopram Oxalate7211
Hydroxyzine HclHydroxyzine Hcl71suppressed
CarbamazepineCarbamazepine65suppressed
Invega SustennaPaliperidone Palmitate65suppressed
Paliperidone ErPaliperidone63suppressed
Propranolol HclPropranolol Hcl60suppressed
Benztropine MesylateBenztropine Mesylate57suppressed
ClozapineClozapine55suppressed
OxcarbazepineOxcarbazepine55suppressed
AripiprazoleAripiprazole5411
Divalproex SodiumDivalproex Sodium54suppressed
Zolpidem TartrateZolpidem Tartrate4913
Buspirone HclBuspirone Hcl45suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine41suppressed
Duloxetine HclDuloxetine Hcl41suppressed
Guanfacine HclGuanfacine Hcl32suppressed
Bupropion Hcl SrBupropion Hcl31suppressed
Abilify MaintenaAripiprazole27suppressed
GabapentinGabapentin2711
Desvenlafaxine Succinate ErDesvenlafaxine Succinate24suppressed
Naltrexone HclNaltrexone Hcl21suppressed
Atomoxetine HclAtomoxetine Hcl20suppressed
DiazepamDiazepam19suppressed
Fluphenazine HclFluphenazine Hcl19suppressed
Hydroxyzine PamoateHydroxyzine Pamoate15suppressed
Clonidine HclClonidine Hcl14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
Levothyroxine SodiumLevothyroxine Sodium13suppressed
RexultiBrexpiprazole12suppressed
TemazepamTemazepam12suppressed
IngrezzaValbenazine Tosylate11suppressed

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