Healthcare provider profile · identity verified

Raymond L Davis, MD

Internal Medicine · OAKLAND, CA · NPI 1578641379

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 Calcium411152
Amlodipine BesylateAmlodipine Besylate312103
HydrochlorothiazideHydrochlorothiazide20776
Losartan PotassiumLosartan Potassium19667
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen18846
LisinoprilLisinopril18271
Albuterol Sulfate HfaAlbuterol Sulfate16173
Fluticasone PropionateFluticasone Propionate14459
Levothyroxine SodiumLevothyroxine Sodium14451
AtenololAtenolol12944
AlvescoCiclesonide12146
GabapentinGabapentin11044
FamotidineFamotidine10347
SimvastatinSimvastatin9335
Triamcinolone AcetonideTriamcinolone Acetonide9241
Pantoprazole SodiumPantoprazole Sodium8536
IbuprofenIbuprofen8341
Metoprolol TartrateMetoprolol Tartrate7930
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen7212
AllopurinolAllopurinol6924
Metformin HclMetformin Hcl6820
Potassium ChloridePotassium Chloride6526
Terazosin HclTerazosin Hcl6318
Tamsulosin HclTamsulosin Hcl5623
Warfarin SodiumWarfarin Sodium56suppressed
Citalopram HbrCitalopram Hydrobromide5517
Wixela InhubFluticasone Propion/Salmeterol5322
PradaxaDabigatran Etexilate Mesylate5212
Rosuvastatin CalciumRosuvastatin Calcium5218
Tizanidine HclTizanidine Hcl5124
Divalproex SodiumDivalproex Sodium46suppressed
Hydralazine HclHydralazine Hcl4516
Alendronate SodiumAlendronate Sodium4024
Metformin Hcl ErMetformin Hcl4015
Tramadol HclTramadol Hcl39suppressed
Quetiapine FumarateQuetiapine Fumarate38suppressed
Trazodone HclTrazodone Hcl3817
FurosemideFurosemide3716
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3718
Sertraline HclSertraline Hcl3611
CarvedilolCarvedilol3411
ClonazepamClonazepam32suppressed
GlipizideGlipizide3211
LorazepamLorazepam3212
MeloxicamMeloxicam3225
OmeprazoleOmeprazole3214
ColchicineColchicine3111
Doxazosin MesylateDoxazosin Mesylate31suppressed
Duloxetine HclDuloxetine Hcl3116
TadalafilTadalafil31suppressed
DiazepamDiazepam3013
XareltoRivaroxaban29suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate27suppressed
MirtazapineMirtazapine27suppressed
Montelukast SodiumMontelukast Sodium27suppressed
OrenciaAbatacept27suppressed
PrednisonePrednisone2714
LevetiracetamLevetiracetam26suppressed
LovastatinLovastatin26suppressed
ProcritEpoetin Alfa26suppressed
AcyclovirAcyclovir2512
Escitalopram OxalateEscitalopram Oxalate24suppressed
Fluoxetine HclFluoxetine Hcl24suppressed
Pravastatin SodiumPravastatin Sodium24suppressed
CefadroxilCefadroxil2315
Humulin RInsulin Regular, Human22suppressed
SpironolactoneSpironolactone22suppressed
Chlorhexidine GluconateChlorhexidine Gluconate21suppressed
JardianceEmpagliflozin21suppressed
Venlafaxine Hcl ErVenlafaxine Hcl21suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2017
CarbamazepineCarbamazepine20suppressed
FinasterideFinasteride20suppressed
FluocinonideFluocinonide2013
LatanoprostLatanoprost20suppressed
Ondansetron OdtOndansetron20suppressed
Azelastine HclAzelastine Hcl1913
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1917
Zolpidem TartrateZolpidem Tartrate1912
Acetaminophen-CodeineAcetaminophen With Codeine18suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1818
Spiriva RespimatTiotropium Bromide18suppressed
ClopidogrelClopidogrel Bisulfate17suppressed
Metoprolol SuccinateMetoprolol Succinate17suppressed
NystatinNystatin17suppressed
AmoxicillinAmoxicillin16suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml16suppressed
Amiodarone HclAmiodarone Hcl15suppressed
ChlorthalidoneChlorthalidone15suppressed
LactuloseLactulose15suppressed
Midodrine HclMidodrine Hcl15suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil13suppressed
Humulin NInsulin Nph Human Isophane13suppressed
HydrocortisoneHydrocortisone13suppressed
NaproxenNaproxen13suppressed
AzithromycinAzithromycin12suppressed
Benazepril HclBenazepril Hcl12suppressed
TemazepamTemazepam12suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1111
Methadone HclMethadone Hcl11suppressed
Paroxetine HclParoxetine Hcl11suppressed
PregabalinPregabalin11suppressed

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