Healthcare provider profile · identity verified

Shirley C Tom, MD

Geriatric Medicine · DEARBORN, MI · NPI 1639483084

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 Calcium403121
Levothyroxine SodiumLevothyroxine Sodium27576
Amlodipine BesylateAmlodipine Besylate27384
LisinoprilLisinopril21959
Losartan PotassiumLosartan Potassium18157
Rosuvastatin CalciumRosuvastatin Calcium16951
Metformin HclMetformin Hcl13947
Metoprolol SuccinateMetoprolol Succinate13843
GabapentinGabapentin12840
OmeprazoleOmeprazole12443
Metoprolol TartrateMetoprolol Tartrate11626
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11537
HydrochlorothiazideHydrochlorothiazide10034
ClopidogrelClopidogrel Bisulfate9226
Albuterol Sulfate HfaAlbuterol Sulfate8340
Pantoprazole SodiumPantoprazole Sodium8226
FurosemideFurosemide7534
FamotidineFamotidine7434
Sertraline HclSertraline Hcl7123
Hydralazine HclHydralazine Hcl6919
Fluticasone PropionateFluticasone Propionate6223
AlprazolamAlprazolam6126
Alendronate SodiumAlendronate Sodium5914
Tamsulosin HclTamsulosin Hcl5918
Montelukast SodiumMontelukast Sodium5716
Metformin Hcl ErMetformin Hcl5518
EliquisApixaban5121
MirtazapineMirtazapine5119
Duloxetine HclDuloxetine Hcl4714
AtenololAtenolol46suppressed
Tramadol HclTramadol Hcl4615
SpironolactoneSpironolactone4519
AllopurinolAllopurinol4311
Trelegy ElliptaFluticasone/Umeclidin/Vilanter43suppressed
Escitalopram OxalateEscitalopram Oxalate4113
JanuviaSitagliptin Phosphate4111
CephalexinCephalexin4031
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen40suppressed
Diclofenac SodiumDiclofenac Sodium3915
BaclofenBaclofen38suppressed
Ventolin HfaAlbuterol Sulfate38suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3614
Olmesartan MedoxomilOlmesartan Medoxomil3614
Trazodone HclTrazodone Hcl35suppressed
PrednisonePrednisone3416
CarvedilolCarvedilol3312
PregabalinPregabalin3315
SimvastatinSimvastatin3314
FinasterideFinasteride3211
Breo ElliptaFluticasone/Vilanterol31suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol3011
Amiodarone HclAmiodarone Hcl27suppressed
Citalopram HbrCitalopram Hydrobromide26suppressed
JardianceEmpagliflozin26suppressed
Tizanidine HclTizanidine Hcl2614
XareltoRivaroxaban26suppressed
Folic AcidFolic Acid25suppressed
Memantine Hcl ErMemantine Hcl25suppressed
Spiriva RespimatTiotropium Bromide25suppressed
Glipizide ErGlipizide24suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide24suppressed
ChlorthalidoneChlorthalidone23suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate23suppressed
NaproxenNaproxen23suppressed
GlipizideGlipizide22suppressed
SymbicortBudesonide/Formoterol Fumarate22suppressed
Vitamin D2Ergocalciferol (Vitamin D2)22suppressed
Donepezil HclDonepezil Hcl2113
MethocarbamolMethocarbamol21suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid21suppressed
Acetaminophen-CodeineAcetaminophen With Codeine20suppressed
GlimepirideGlimepiride20suppressed
LidocaineLidocaine20suppressed
LovastatinLovastatin20suppressed
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
AzithromycinAzithromycin1917
FarxigaDapagliflozin Propanediol19suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
OzempicSemaglutide19suppressed
Pioglitazone HclPioglitazone Hcl19suppressed
Potassium ChloridePotassium Chloride19suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl18suppressed
LorazepamLorazepam18suppressed
Meclizine HclMeclizine Hcl1811
Pravastatin SodiumPravastatin Sodium18suppressed
ValacyclovirValacyclovir Hcl18suppressed
Carbidopa-LevodopaCarbidopa/Levodopa17suppressed
Clobetasol PropionateClobetasol Propionate1711
Cyclobenzaprine HclCyclobenzaprine Hcl17suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
IbuprofenIbuprofen1711
Ipratropium BromideIpratropium Bromide17suppressed
Oxybutynin Chloride ErOxybutynin Chloride17suppressed
AnastrozoleAnastrozole16suppressed
BumetanideBumetanide16suppressed
Clonidine HclClonidine Hcl16suppressed
Doxazosin MesylateDoxazosin Mesylate16suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
Ropinirole HclRopinirole Hcl16suppressed
Zolpidem TartrateZolpidem Tartrate16suppressed
Ciprofloxacin HclCiprofloxacin Hcl1512
ClotrimazoleClotrimazole1511
KetoconazoleKetoconazole15suppressed
Nifedipine ErNifedipine15suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide15suppressed
Azelastine HclAzelastine Hcl14suppressed
AcyclovirAcyclovir13suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
BriviactBrivaracetam13suppressed
EntrestoSacubitril/Valsartan13suppressed
LactuloseLactulose13suppressed
MeloxicamMeloxicam13suppressed
Memantine HclMemantine Hcl13suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine12suppressed
Ondansetron OdtOndansetron12suppressed
Oxycodone HclOxycodone Hcl12suppressed
Risedronate SodiumRisedronate Sodium12suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads11suppressed
CalcitriolCalcitriol11suppressed
Doxepin HclDoxepin Hcl11suppressed
Humalog Kwikpen U-100Insulin Lispro11suppressed
Novolog FlexpenInsulin Aspart11suppressed
Ondansetron HclOndansetron Hcl11suppressed
Quetiapine FumarateQuetiapine Fumarate11suppressed

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