Healthcare provider profile · identity verified

William D. Kottman, M.D.

Family Practice · SAN ANTONIO, TX · NPI 1356310858

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 Calcium619236
GabapentinGabapentin449138
Amlodipine BesylateAmlodipine Besylate351120
Fluticasone PropionateFluticasone Propionate28096
OzempicSemaglutide23449
Pantoprazole SodiumPantoprazole Sodium22468
Metformin HclMetformin Hcl22389
Losartan PotassiumLosartan Potassium22276
Fluoxetine HclFluoxetine Hcl21173
LisinoprilLisinopril20878
Enalapril MaleateEnalapril Maleate20171
Levothyroxine SodiumLevothyroxine Sodium18959
Rosuvastatin CalciumRosuvastatin Calcium17964
Metoprolol SuccinateMetoprolol Succinate16453
Albuterol Sulfate HfaAlbuterol Sulfate16261
FarxigaDapagliflozin Propanediol15762
Tramadol HclTramadol Hcl15544
Tamsulosin HclTamsulosin Hcl15258
PregabalinPregabalin13637
Montelukast SodiumMontelukast Sodium13547
Trazodone HclTrazodone Hcl13546
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12624
CarvedilolCarvedilol12050
Sertraline HclSertraline Hcl10750
FurosemideFurosemide10139
HydrochlorothiazideHydrochlorothiazide9838
FamotidineFamotidine9537
SpironolactoneSpironolactone8729
OmeprazoleOmeprazole8125
JardianceEmpagliflozin8029
BaclofenBaclofen7525
EliquisApixaban6924
Esomeprazole MagnesiumEsomeprazole Magnesium6919
FinasterideFinasteride6931
Hydroxyzine HclHydroxyzine Hcl6933
Metoprolol TartrateMetoprolol Tartrate6927
NaproxenNaproxen6734
JanuviaSitagliptin Phosphate6627
ClopidogrelClopidogrel Bisulfate6221
SymbicortBudesonide/Formoterol Fumarate6119
Acetaminophen-CodeineAcetaminophen With Codeine6020
Pioglitazone HclPioglitazone Hcl5418
IbuprofenIbuprofen5324
Escitalopram OxalateEscitalopram Oxalate4921
AllopurinolAllopurinol4814
Nifedipine ErNifedipine4819
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4622
TradjentaLinagliptin4616
EzetimibeEzetimibe4521
Potassium ChloridePotassium Chloride4415
Diclofenac SodiumDiclofenac Sodium4311
Buspirone HclBuspirone Hcl4217
Metformin Hcl ErMetformin Hcl4223
ChlorthalidoneChlorthalidone4013
Ventolin HfaAlbuterol Sulfate3919
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3817
Duloxetine HclDuloxetine Hcl3713
Paroxetine HclParoxetine Hcl36suppressed
MirtazapineMirtazapine35suppressed
Pravastatin SodiumPravastatin Sodium3514
GlipizideGlipizide3313
SimvastatinSimvastatin3313
LidocaineLidocaine3018
MounjaroTirzepatide30suppressed
Triamcinolone AcetonideTriamcinolone Acetonide30suppressed
Varenicline TartrateVarenicline Tartrate29suppressed
Zolpidem TartrateZolpidem Tartrate29suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2722
Tresiba Flextouch U-100Insulin Degludec2513
Alendronate SodiumAlendronate Sodium24suppressed
Incruse ElliptaUmeclidinium Bromide24suppressed
Oxybutynin ChlorideOxybutynin Chloride2411
Tizanidine HclTizanidine Hcl24suppressed
PrednisonePrednisone2317
EntrestoSacubitril/Valsartan22suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic2212
XareltoRivaroxaban22suppressed
Citalopram HbrCitalopram Hydrobromide21suppressed
NitroglycerinNitroglycerin21suppressed
Amitriptyline HclAmitriptyline Hcl20suppressed
Meclizine HclMeclizine Hcl20suppressed
Spiriva HandihalerTiotropium Bromide20suppressed
Spironolactone-HctzSpironolact/Hydrochlorothiazid20suppressed
TopiramateTopiramate20suppressed
TrulicityDulaglutide20suppressed
ValsartanValsartan19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl18suppressed
MyrbetriqMirabegron18suppressed
ClonazepamClonazepam17suppressed
TorsemideTorsemide17suppressed
MeloxicamMeloxicam16suppressed
AzithromycinAzithromycin1515
Levalbuterol Tartrate HfaLevalbuterol Tartrate15suppressed
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
Propranolol HclPropranolol Hcl15suppressed
FluconazoleFluconazole14suppressed
LevetiracetamLevetiracetam14suppressed
Midodrine HclMidodrine Hcl14suppressed
Olmesartan MedoxomilOlmesartan Medoxomil14suppressed
Arnuity ElliptaFluticasone Furoate13suppressed
AtenololAtenolol13suppressed
Bupropion Hcl SrBupropion Hcl13suppressed
GemtesaVibegron13suppressed
Methenamine HippurateMethenamine Hippurate13suppressed
Repatha SureclickEvolocumab13suppressed
Advair DiskusFluticasone Propion/Salmeterol12suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol12suppressed
Solifenacin SuccinateSolifenacin Succinate12suppressed
CarbamazepineCarbamazepine11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
Methadone HclMethadone Hcl11suppressed

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