Healthcare provider profile · identity verified

Abraham P. Thomas, MD

Internal Medicine · FOLSOM, CA · NPI 1770633588

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 Calcium802273
Amlodipine BesylateAmlodipine Besylate411138
LisinoprilLisinopril322105
Losartan PotassiumLosartan Potassium26588
Levothyroxine SodiumLevothyroxine Sodium22374
SimvastatinSimvastatin15854
Tamsulosin HclTamsulosin Hcl15752
HydrochlorothiazideHydrochlorothiazide13246
AtenololAtenolol12942
MeloxicamMeloxicam12944
GabapentinGabapentin12433
FamotidineFamotidine12347
Albuterol Sulfate HfaAlbuterol Sulfate12250
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10133
AllopurinolAllopurinol9530
Fluticasone PropionateFluticasone Propionate9426
Metoprolol SuccinateMetoprolol Succinate9431
Metformin HclMetformin Hcl9232
Metoprolol TartrateMetoprolol Tartrate8933
AlvescoCiclesonide8533
Terazosin HclTerazosin Hcl8525
Trazodone HclTrazodone Hcl8127
Pantoprazole SodiumPantoprazole Sodium7323
FurosemideFurosemide6922
GlipizideGlipizide6623
Alendronate SodiumAlendronate Sodium6421
LovastatinLovastatin6318
Rosuvastatin CalciumRosuvastatin Calcium6019
Metformin Hcl ErMetformin Hcl5919
Duloxetine HclDuloxetine Hcl5826
OmeprazoleOmeprazole5824
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5614
Montelukast SodiumMontelukast Sodium5620
Spiriva RespimatTiotropium Bromide5511
ClopidogrelClopidogrel Bisulfate5017
Sertraline HclSertraline Hcl4615
AcyclovirAcyclovir4512
CarvedilolCarvedilol4516
IbuprofenIbuprofen4417
Fluoxetine HclFluoxetine Hcl4013
SpironolactoneSpironolactone4013
Potassium ChloridePotassium Chloride3912
PradaxaDabigatran Etexilate Mesylate3914
JardianceEmpagliflozin3811
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3813
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf3737
Ipratropium BromideIpratropium Bromide32suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst3126
Diltiazem 24hr Er (Cd)Diltiazem Hcl29suppressed
Wixela InhubFluticasone Propion/Salmeterol29suppressed
NabumetoneNabumetone2811
Citalopram HbrCitalopram Hydrobromide27suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate26suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2617
ChlorthalidoneChlorthalidone25suppressed
PrednisonePrednisone2414
FinasterideFinasteride23suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2217
Venlafaxine Hcl ErVenlafaxine Hcl2216
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml21suppressed
HydrocortisoneHydrocortisone2013
PrimidonePrimidone20suppressed
EtodolacEtodolac19suppressed
FenofibrateFenofibrate19suppressed
MetronidazoleMetronidazole19suppressed
Escitalopram OxalateEscitalopram Oxalate18suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen18suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
FebuxostatFebuxostat17suppressed
MirtazapineMirtazapine17suppressed
Pioglitazone HclPioglitazone Hcl17suppressed
Bupropion XlBupropion Hcl16suppressed
Combivent RespimatIpratropium/Albuterol Sulfate16suppressed
Donepezil HclDonepezil Hcl16suppressed
XareltoRivaroxaban16suppressed
Hydralazine HclHydralazine Hcl15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
Azelastine HclAzelastine Hcl14suppressed
Humalog Kwikpen U-100Insulin Lispro14suppressed
Humulin RInsulin Regular, Human14suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1311
Clobetasol PropionateClobetasol Propionate13suppressed
Memantine HclMemantine Hcl13suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl13suppressed
Benazepril HclBenazepril Hcl12suppressed
CefadroxilCefadroxil1212
Cefpodoxime ProxetilCefpodoxime Proxetil12suppressed
ColchicineColchicine12suppressed
EpinephrineEpinephrine12suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
Verapamil ErVerapamil Hcl12suppressed
EliquisApixaban11suppressed
EzetimibeEzetimibe11suppressed
Nifedipine ErNifedipine11suppressed

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