Healthcare provider profile · identity verified

Kenneth S Watanabe, M.D.

Psychiatry · FORT COLLINS, CO · NPI 1780792747

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
Bupropion XlBupropion Hcl47946
Venlafaxine Hcl ErVenlafaxine Hcl22845
LorazepamLorazepam20242
Trazodone HclTrazodone Hcl19445
LamotrigineLamotrigine17847
Duloxetine HclDuloxetine Hcl16934
Zolpidem TartrateZolpidem Tartrate14421
ClonazepamClonazepam12721
MirtazapineMirtazapine12530
Quetiapine FumarateQuetiapine Fumarate11823
DiazepamDiazepam11714
Escitalopram OxalateEscitalopram Oxalate10123
Buspirone HclBuspirone Hcl8627
Fluoxetine HclFluoxetine Hcl8113
OlanzapineOlanzapine5514
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine5412
AlprazolamAlprazolam4812
Desvenlafaxine Succinate ErDesvenlafaxine Succinate48suppressed
Sertraline HclSertraline Hcl4714
AripiprazoleAripiprazole4613
ModafinilModafinil42suppressed
GabapentinGabapentin4011
Bupropion Hcl SrBupropion Hcl37suppressed
OxcarbazepineOxcarbazepine37suppressed
ClozapineClozapine35suppressed
Lurasidone HclLurasidone Hcl34suppressed
Bupropion HclBupropion Hcl3111
Lithium Carbonate ErLithium Carbonate29suppressed
Propranolol HclPropranolol Hcl27suppressed
TrintellixVortioxetine Hydrobromide27suppressed
Donepezil HclDonepezil Hcl25suppressed
Ropinirole HclRopinirole Hcl23suppressed
TemazepamTemazepam23suppressed
EszopicloneEszopiclone22suppressed
Fluvoxamine MaleateFluvoxamine Maleate22suppressed
Methylphenidate HclMethylphenidate Hcl22suppressed
BelsomraSuvorexant21suppressed
IngrezzaValbenazine Tosylate20suppressed
TopiramateTopiramate20suppressed
Citalopram HbrCitalopram Hydrobromide19suppressed
RexultiBrexpiprazole19suppressed
Memantine HclMemantine Hcl16suppressed
Hydroxyzine HclHydroxyzine Hcl15suppressed
VraylarCariprazine Hcl15suppressed
Metformin HclMetformin Hcl14suppressed
Clomipramine HclClomipramine Hcl13suppressed
ConcertaMethylphenidate Hcl13suppressed
Dexmethylphenidate HclDexmethylphenidate Hcl13suppressed
PregabalinPregabalin13suppressed
Quetiapine Fumarate ErQuetiapine Fumarate13suppressed
Asenapine MaleateAsenapine Maleate12suppressed
Levothyroxine SodiumLevothyroxine Sodium12suppressed
Lithium CarbonateLithium Carbonate12suppressed
RamelteonRamelteon12suppressed
TriazolamTriazolam12suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine11suppressed
Divalproex Sodium ErDivalproex Sodium11suppressed

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