Healthcare provider profile · identity verified

Renee A. Armstrong, M.D.

Family Practice · SANTA ROSA, CA · NPI 1093899239

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 Calcium34498
Levothyroxine SodiumLevothyroxine Sodium25876
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20539
HydrochlorothiazideHydrochlorothiazide16046
Amlodipine BesylateAmlodipine Besylate14441
LorazepamLorazepam12941
Losartan PotassiumLosartan Potassium12937
LisinoprilLisinopril12239
SimvastatinSimvastatin11834
GabapentinGabapentin11033
Metoprolol SuccinateMetoprolol Succinate9328
Albuterol Sulfate HfaAlbuterol Sulfate9140
Escitalopram OxalateEscitalopram Oxalate8725
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen8713
Benazepril HclBenazepril Hcl8223
Bupropion XlBupropion Hcl7422
Trazodone HclTrazodone Hcl6822
Morphine Sulfate ErMorphine Sulfate67suppressed
Montelukast SodiumMontelukast Sodium6520
Pantoprazole SodiumPantoprazole Sodium6417
Metformin Hcl ErMetformin Hcl6222
Zolpidem TartrateZolpidem Tartrate6221
Alendronate SodiumAlendronate Sodium6120
OmeprazoleOmeprazole6118
EstradiolEstradiol5925
AlprazolamAlprazolam5817
Fluoxetine HclFluoxetine Hcl5214
Citalopram HbrCitalopram Hydrobromide5116
EliquisApixaban51suppressed
Fluticasone PropionateFluticasone Propionate4919
Duloxetine HclDuloxetine Hcl4813
Potassium ChloridePotassium Chloride44suppressed
Oxycodone HclOxycodone Hcl43suppressed
Metformin HclMetformin Hcl4212
Tramadol HclTramadol Hcl4120
AtenololAtenolol3913
MeloxicamMeloxicam37suppressed
Rosuvastatin CalciumRosuvastatin Calcium3711
SynthroidLevothyroxine Sodium3711
BaclofenBaclofen36suppressed
Hydroxyzine HclHydroxyzine Hcl36suppressed
CelecoxibCelecoxib33suppressed
FamotidineFamotidine33suppressed
Sumatriptan SuccinateSumatriptan Succinate33suppressed
Quetiapine FumarateQuetiapine Fumarate32suppressed
MirtazapineMirtazapine31suppressed
Ondansetron OdtOndansetron2813
Sertraline HclSertraline Hcl28suppressed
FluconazoleFluconazole27suppressed
Amitriptyline HclAmitriptyline Hcl26suppressed
Bupropion Hcl SrBupropion Hcl26suppressed
CarvedilolCarvedilol26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl26suppressed
CephalexinCephalexin2520
Tamsulosin HclTamsulosin Hcl25suppressed
ClonazepamClonazepam2411
DiazepamDiazepam24suppressed
FurosemideFurosemide2412
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
CarisoprodolCarisoprodol23suppressed
IbuprofenIbuprofen23suppressed
AllopurinolAllopurinol22suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide22suppressed
IrbesartanIrbesartan22suppressed
ValacyclovirValacyclovir Hcl2213
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide21suppressed
OxycontinOxycodone Hcl20suppressed
PregabalinPregabalin20suppressed
Morphine SulfateMorphine Sulfate19suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1915
ClopidogrelClopidogrel Bisulfate18suppressed
NystatinNystatin18suppressed
Propranolol HclPropranolol Hcl18suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter18suppressed
Metoprolol TartrateMetoprolol Tartrate17suppressed
Paroxetine HclParoxetine Hcl17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
Hydromorphone HclHydromorphone Hcl15suppressed
AcyclovirAcyclovir14suppressed
JardianceEmpagliflozin14suppressed
MounjaroTirzepatide14suppressed
Nortriptyline HclNortriptyline Hcl14suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1311
AzithromycinAzithromycin1313
Loreev XrLorazepam13suppressed
Ondansetron HclOndansetron Hcl13suppressed
PrednisonePrednisone1311
PremarinEstrogens, Conjugated13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Ciprofloxacin HclCiprofloxacin Hcl12suppressed
CreonLipase/Protease/Amylase12suppressed
Donepezil HclDonepezil Hcl12suppressed
Estradiol (Twice Weekly)Estradiol12suppressed
HydrocortisoneHydrocortisone12suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate12suppressed
Liothyronine SodiumLiothyronine Sodium12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Tizanidine HclTizanidine Hcl12suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide12suppressed
ChlorthalidoneChlorthalidone11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed
Pravastatin SodiumPravastatin 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