Healthcare provider profile · identity verified

Randy L Panther, M.D.

Internal Medicine · SAN ANTONIO, TX · NPI 1285694455

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 Calcium401111
EliquisApixaban34750
Amlodipine BesylateAmlodipine Besylate33370
Levothyroxine SodiumLevothyroxine Sodium25954
Donepezil HclDonepezil Hcl25548
CarvedilolCarvedilol22259
LisinoprilLisinopril21554
ClopidogrelClopidogrel Bisulfate19757
Tamsulosin HclTamsulosin Hcl19644
GabapentinGabapentin19456
Trazodone HclTrazodone Hcl17444
Metoprolol TartrateMetoprolol Tartrate17246
Potassium ChloridePotassium Chloride17240
Metformin HclMetformin Hcl17136
FurosemideFurosemide16756
MirtazapineMirtazapine16232
Losartan PotassiumLosartan Potassium14937
Sertraline HclSertraline Hcl14137
Metoprolol SuccinateMetoprolol Succinate12734
Divalproex SodiumDivalproex Sodium11829
Hydralazine HclHydralazine Hcl11622
Pantoprazole SodiumPantoprazole Sodium11640
LevetiracetamLevetiracetam11321
FinasterideFinasteride10820
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10841
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog10617
Nifedipine ErNifedipine9729
Memantine HclMemantine Hcl9519
LactuloseLactulose9124
Tramadol HclTramadol Hcl9129
Ondansetron HclOndansetron Hcl8935
JanuviaSitagliptin Phosphate81suppressed
SimvastatinSimvastatin7912
Buspirone HclBuspirone Hcl7416
Lantus SolostarInsulin Glargine,hum.Rec.Anlog7316
Montelukast SodiumMontelukast Sodium7218
Quetiapine FumarateQuetiapine Fumarate7116
JardianceEmpagliflozin70suppressed
MyrbetriqMirabegron69suppressed
PrednisonePrednisone6822
Escitalopram OxalateEscitalopram Oxalate6716
LantusInsulin Glargine,hum.Rec.Anlog6617
Acetaminophen-CodeineAcetaminophen With Codeine6118
LatanoprostLatanoprost6114
PregabalinPregabalin6111
AlprazolamAlprazolam5712
FamotidineFamotidine5119
Duloxetine HclDuloxetine Hcl4814
Fluticasone PropionateFluticasone Propionate4815
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4642
Insulin Lispro Kwikpen U-100Insulin Lispro4615
SpironolactoneSpironolactone4418
Pravastatin SodiumPravastatin Sodium42suppressed
Hydroxyzine HclHydroxyzine Hcl4018
Amiodarone HclAmiodarone Hcl3916
RisperidoneRisperidone38suppressed
Rosuvastatin CalciumRosuvastatin Calcium3812
LorazepamLorazepam3713
AllopurinolAllopurinol36suppressed
Mirabegron ErMirabegron36suppressed
OmeprazoleOmeprazole36suppressed
Tizanidine HclTizanidine Hcl36suppressed
BumetanideBumetanide35suppressed
FarxigaDapagliflozin Propanediol34suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn3315
GlimepirideGlimepiride32suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate3115
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst3121
SucralfateSucralfate31suppressed
Enalapril MaleateEnalapril Maleate30suppressed
Albuterol SulfateAlbuterol Sulfate2912
HydrochlorothiazideHydrochlorothiazide29suppressed
Meclizine HclMeclizine Hcl2912
Ciprofloxacin HclCiprofloxacin Hcl2819
Midodrine HclMidodrine Hcl2813
TorsemideTorsemide28suppressed
LevofloxacinLevofloxacin2718
HumalogInsulin Lispro2611
Humalog Kwikpen U-100Insulin Lispro2611
LamotrigineLamotrigine26suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)25suppressed
Insulin LisproInsulin Lispro2511
Memantine Hcl ErMemantine Hcl25suppressed
TrimethoprimTrimethoprim25suppressed
RivastigmineRivastigmine Tartrate24suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2315
Carbidopa-LevodopaCarbidopa/Levodopa23suppressed
Insulin Aspart FlexpenInsulin Aspart23suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate2313
CefdinirCefdinir2220
Ranolazine ErRanolazine22suppressed
AptiomEslicarbazepine Acetate21suppressed
Benztropine MesylateBenztropine Mesylate21suppressed
Citalopram HbrCitalopram Hydrobromide21suppressed
OlanzapineOlanzapine21suppressed
PrimidonePrimidone21suppressed
BaclofenBaclofen20suppressed
MeloxicamMeloxicam20suppressed
Novolog FlexpenInsulin Aspart20suppressed
OxcarbazepineOxcarbazepine20suppressed
EntrestoSacubitril/Valsartan19suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate19suppressed
Megestrol AcetateMegestrol Acetate1911
Metformin Hcl ErMetformin Hcl19suppressed
NystatinNystatin19suppressed
Admelog SolostarInsulin Lispro18suppressed
Calcium AcetateCalcium Acetate18suppressed
DapagliflozinDapagliflozin Propanediol18suppressed
HydrocortisoneHydrocortisone18suppressed
Pyridostigmine BromidePyridostigmine Bromide18suppressed
Sevelamer CarbonateSevelamer Carbonate18suppressed
CeftriaxoneCeftriaxone Sodium17suppressed
Dicyclomine HclDicyclomine Hcl17suppressed
GlipizideGlipizide17suppressed
MethocarbamolMethocarbamol17suppressed
Solifenacin SuccinateSolifenacin Succinate17suppressed
KetoconazoleKetoconazole16suppressed
LacosamideLacosamide16suppressed
Oxybutynin Chloride ErOxybutynin Chloride16suppressed
BrilintaTicagrelor15suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat15suppressed
Doxycycline HyclateDoxycycline Hyclate1514
Esomeprazole MagnesiumEsomeprazole Magnesium15suppressed
Pioglitazone HclPioglitazone Hcl15suppressed
Brimonidine TartrateBrimonidine Tartrate14suppressed
IbuprofenIbuprofen14suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide14suppressed
Valproic AcidValproic Acid (As Sodium Salt)14suppressed
BriviactBrivaracetam13suppressed
CiclopiroxCiclopirox13suppressed
Clonidine HclClonidine Hcl13suppressed
Doxazosin MesylateDoxazosin Mesylate13suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol13suppressed
Ibandronate SodiumIbandronate Sodium13suppressed
OzempicSemaglutide13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1311
Timolol MaleateTimolol Maleate13suppressed
ZonisamideZonisamide13suppressed
Alendronate SodiumAlendronate Sodium12suppressed
Benazepril HclBenazepril Hcl12suppressed
BrinzolamideBrinzolamide12suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl12suppressed
Glipizide ErGlipizide12suppressed
Incruse ElliptaUmeclidinium Bromide12suppressed
Propranolol HclPropranolol Hcl12suppressed
ValacyclovirValacyclovir Hcl12suppressed
Azelastine HclAzelastine Hcl11suppressed
BudesonideBudesonide11suppressed
CyclosporineCyclosporine11suppressed
LinzessLinaclotide11suppressed
MeropenemMeropenem11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended11suppressed

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