Healthcare provider profile · identity verified

Douglas Souvignier, M.D.

Internal Medicine · MOUNTAIN VIEW, CA · NPI 1689681504

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 Calcium520214
Amlodipine BesylateAmlodipine Besylate21286
Levothyroxine SodiumLevothyroxine Sodium17557
Losartan PotassiumLosartan Potassium14661
Tamsulosin HclTamsulosin Hcl14150
Pantoprazole SodiumPantoprazole Sodium13250
LisinoprilLisinopril13155
Alendronate SodiumAlendronate Sodium10138
GabapentinGabapentin9626
Rosuvastatin CalciumRosuvastatin Calcium9137
Metoprolol SuccinateMetoprolol Succinate8133
OmeprazoleOmeprazole7929
EliquisApixaban7721
Metformin HclMetformin Hcl7537
SimvastatinSimvastatin6830
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6623
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril5619
AllopurinolAllopurinol5118
Escitalopram OxalateEscitalopram Oxalate5116
JardianceEmpagliflozin4920
Sertraline HclSertraline Hcl4917
Doxazosin MesylateDoxazosin Mesylate4715
Trazodone HclTrazodone Hcl4715
Fluticasone PropionateFluticasone Propionate4521
AtenololAtenolol4419
ClopidogrelClopidogrel Bisulfate4213
Potassium ChloridePotassium Chloride4016
Paroxetine HclParoxetine Hcl37suppressed
Zolpidem TartrateZolpidem Tartrate3412
Donepezil HclDonepezil Hcl3312
Citalopram HbrCitalopram Hydrobromide30suppressed
FurosemideFurosemide30suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3017
Pravastatin SodiumPravastatin Sodium3012
SynthroidLevothyroxine Sodium29suppressed
EzetimibeEzetimibe2813
HydrochlorothiazideHydrochlorothiazide2511
Metformin Hcl ErMetformin Hcl24suppressed
Duloxetine HclDuloxetine Hcl23suppressed
FinasterideFinasteride23suppressed
MirtazapineMirtazapine23suppressed
ValsartanValsartan23suppressed
LorazepamLorazepam21suppressed
LatanoprostLatanoprost20suppressed
Benazepril HclBenazepril Hcl19suppressed
Bupropion XlBupropion Hcl18suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
LevetiracetamLevetiracetam16suppressed
Metoprolol TartrateMetoprolol Tartrate15suppressed
OzempicSemaglutide15suppressed
TrulicityDulaglutide15suppressed
GlipizideGlipizide14suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended14suppressed
RisperidoneRisperidone14suppressed
Carbidopa-LevodopaCarbidopa/Levodopa13suppressed
Flecainide AcetateFlecainide Acetate13suppressed
RamiprilRamipril13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
ValacyclovirValacyclovir Hcl13suppressed
CelecoxibCelecoxib12suppressed
Ipratropium BromideIpratropium Bromide12suppressed
Verapamil SrVerapamil Hcl12suppressed
Albuterol Sulfate HfaAlbuterol Sulfate11suppressed
Calcitonin-SalmonCalcitonin,salmon,synthetic11suppressed
FamotidineFamotidine11suppressed
MyrbetriqMirabegron11suppressed
SpironolactoneSpironolactone11suppressed

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