Healthcare provider profile · identity verified

James M Williams, MD

Allopathic & Osteopathic Physicians|Family Medicine · GREEN BAY, WI · NPI 1407849433

Profile state: payments and partd 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

CMS Open Payments records show James M Williams, MD received $126.09 in general payments during 2025 across 1 reported records.

Otsuka America Pharmaceutical, Inc. accounted for 100.0% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 1 associated product.

A separate comparison found the same explicitly named product in public Medicare Part D data: Rexulti.

Otsuka America Pharmaceutical, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported REXULTI as an associated drug or biological on 160756 records involving 46288 distinct recipient NPIs. Public Medicare Part D data also shows 56 claims for Rexulti by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$126.09

1 reported records · 1 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Otsuka America Pharmaceutical, Inc. Unresolved — no canonical attribution shown $126.09100.0%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$126.091

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
REXULTI
Normalized: rexulti
Drug Otsuka America Pharmaceutical, Inc. $126.09 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
REXULTI
rexulti
2025 Rexulti 2024 56
Beneficiary count suppressed
exact normalized Medicare Part D

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.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Otsuka America Pharmaceutical, Inc.
Exact reporting entity; no affiliate inference
2025 REXULTI
open payments reported associated product
CMS Open Payments — General Payments
160756 supporting records · 46288 recipient NPIs · example record 1227267708
Rexulti · 2024
Exact normalized brand match · 1 Part D row
56 suppressed by CMS

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 Calcium833109
Levothyroxine SodiumLevothyroxine Sodium815101
FurosemideFurosemide67098
Quetiapine FumarateQuetiapine Fumarate614101
Memantine HclMemantine Hcl60184
Amlodipine BesylateAmlodipine Besylate57581
LisinoprilLisinopril56973
Paroxetine HclParoxetine Hcl53178
Donepezil HclDonepezil Hcl51581
Sertraline HclSertraline Hcl51272
GabapentinGabapentin48764
Potassium ChloridePotassium Chloride45962
OmeprazoleOmeprazole42860
EliquisApixaban41548
Metoprolol SuccinateMetoprolol Succinate41360
Tamsulosin HclTamsulosin Hcl39558
Pantoprazole SodiumPantoprazole Sodium36559
FamotidineFamotidine36151
Losartan PotassiumLosartan Potassium35350
Escitalopram OxalateEscitalopram Oxalate35148
Metoprolol TartrateMetoprolol Tartrate31951
Metformin HclMetformin Hcl31145
Trazodone HclTrazodone Hcl24933
CarvedilolCarvedilol23930
Warfarin SodiumWarfarin Sodium22411
ClopidogrelClopidogrel Bisulfate21733
RivastigmineRivastigmine20334
SimvastatinSimvastatin20230
Divalproex SodiumDivalproex Sodium16223
Duloxetine HclDuloxetine Hcl16025
AripiprazoleAripiprazole14921
LamotrigineLamotrigine14714
Citalopram HbrCitalopram Hydrobromide14622
NystatinNystatin14154
Fluoxetine HclFluoxetine Hcl13919
FinasterideFinasteride13419
LatanoprostLatanoprost13423
Fluticasone PropionateFluticasone Propionate13138
XareltoRivaroxaban12416
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc12226
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12136
Benztropine MesylateBenztropine Mesylate11616
RivastigmineRivastigmine Tartrate11615
SpironolactoneSpironolactone11520
BaclofenBaclofen11417
HydrochlorothiazideHydrochlorothiazide11419
LevetiracetamLevetiracetam10819
MirtazapineMirtazapine10618
LoperamideLoperamide Hcl10578
RisperidoneRisperidone10411
Rosuvastatin CalciumRosuvastatin Calcium10020
OlanzapineOlanzapine9914
AbrysvoRsv Vacc, Pref A And Pref B/Pf9797
AcetazolamideAcetazolamide9613
Metformin Hcl ErMetformin Hcl9311
AllopurinolAllopurinol9215
Vitamin D2Ergocalciferol (Vitamin D2)8919
Buspirone HclBuspirone Hcl8518
PrednisonePrednisone8513
Montelukast SodiumMontelukast Sodium8311
LorazepamLorazepam8231
Bupropion XlBupropion Hcl8113
JardianceEmpagliflozin80suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads7928
Albuterol Sulfate HfaAlbuterol Sulfate7638
Tramadol HclTramadol Hcl7524
AtenololAtenolol7112
Oxybutynin Chloride ErOxybutynin Chloride69suppressed
MyrbetriqMirabegron66suppressed
Triamcinolone AcetonideTriamcinolone Acetonide6532
Venlafaxine Hcl ErVenlafaxine Hcl65suppressed
Diclofenac SodiumDiclofenac Sodium6025
Carbidopa-LevodopaCarbidopa/Levodopa58suppressed
EzetimibeEzetimibe58suppressed
Pravastatin SodiumPravastatin Sodium58suppressed
Ropinirole HclRopinirole Hcl57suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol56suppressed
RexultiBrexpiprazole56suppressed
ClonidineClonidine5420
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide53suppressed
Alendronate SodiumAlendronate Sodium52suppressed
Oxybutynin ChlorideOxybutynin Chloride52suppressed
TopiramateTopiramate52suppressed
GlipizideGlipizide51suppressed
Oxycodone HclOxycodone Hcl5125
Terazosin HclTerazosin Hcl51suppressed
Enalapril MaleateEnalapril Maleate49suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)48suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf4833
Hydralazine HclHydralazine Hcl47suppressed
NyamycNystatin4715
Hydroxyzine HclHydroxyzine Hcl46suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim4530
LovastatinLovastatin42suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl41suppressed
Easy Touch Alcohol Prep PadsAlcohol Antiseptic Pads4017
NystopNystatin3921
BumetanideBumetanide38suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl38suppressed
Dropsafe Pen NeedlePen Needle, Diabetic, Safety38suppressed
Ondansetron HclOndansetron Hcl3730
Tamoxifen CitrateTamoxifen Citrate37suppressed
Humalog Kwikpen U-100Insulin Lispro35suppressed
LidocaineLidocaine35suppressed
Memantine Hcl ErMemantine Hcl35suppressed
CelecoxibCelecoxib34suppressed
TrulicityDulaglutide34suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac3333
Chlorhexidine GluconateChlorhexidine Gluconate33suppressed
GlimepirideGlimepiride33suppressed
KetoconazoleKetoconazole3218
Midodrine HclMidodrine Hcl32suppressed
IrbesartanIrbesartan31suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate31suppressed
Ulticare Safety Pen NeedlePen Needle, Diabetic, Safety31suppressed
Alcohol SwabsAlcohol Antiseptic Pads30suppressed
AmoxicillinAmoxicillin3012
AnastrozoleAnastrozole30suppressed
Ondansetron OdtOndansetron30suppressed
ConstuloseLactulose29suppressed
JanuviaSitagliptin Phosphate29suppressed
ErythromycinErythromycin Base28suppressed
Ziprasidone HclZiprasidone Hcl27suppressed
CholestyramineCholestyramine (With Sugar)25suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr24suppressed
GemfibrozilGemfibrozil24suppressed
Glipizide ErGlipizide24suppressed
Spiriva HandihalerTiotropium Bromide24suppressed
Doxycycline HyclateDoxycycline Hyclate2319
MeloxicamMeloxicam23suppressed
NaproxenNaproxen23suppressed
Venlafaxine HclVenlafaxine Hcl23suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip22suppressed
MupirocinMupirocin2215
Bupropion HclBupropion Hcl21suppressed
Flecainide AcetateFlecainide Acetate21suppressed
SucralfateSucralfate21suppressed
Bupropion Hcl SrBupropion Hcl20suppressed
Prochlorperazine MaleateProchlorperazine Maleate20suppressed
Calcitonin-SalmonCalcitonin,salmon,synthetic19suppressed
Insulin Aspart FlexpenInsulin Aspart19suppressed
Novolog FlexpenInsulin Aspart19suppressed
Sevelamer CarbonateSevelamer Carbonate19suppressed
Tizanidine HclTizanidine Hcl19suppressed
Fosinopril SodiumFosinopril Sodium18suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen18suppressed
MesalamineMesalamine18suppressed
TorsemideTorsemide18suppressed
Zolpidem TartrateZolpidem Tartrate18suppressed
Advair HfaFluticasone Propion/Salmeterol17suppressed
LactuloseLactulose17suppressed
MethimazoleMethimazole17suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1714
Amiodarone HclAmiodarone Hcl16suppressed
Breo ElliptaFluticasone/Vilanterol16suppressed
EstradiolEstradiol16suppressed
FarxigaDapagliflozin Propanediol16suppressed
Lurasidone HclLurasidone Hcl16suppressed
Methenamine HippurateMethenamine Hippurate16suppressed
Nifedipine ErNifedipine16suppressed
Nortriptyline HclNortriptyline Hcl16suppressed
PaxlovidNirmatrelvir/Ritonavir1616
Pioglitazone HclPioglitazone Hcl16suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog15suppressed
Budesonide DrBudesonide15suppressed
Candesartan CilexetilCandesartan Cilexetil15suppressed
Clonidine HclClonidine Hcl15suppressed
SymbicortBudesonide/Formoterol Fumarate15suppressed
Clobetasol PropionateClobetasol Propionate14suppressed
IbuprofenIbuprofen14suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
Timolol MaleateTimolol Maleate14suppressed
Benazepril HclBenazepril Hcl13suppressed
CreonLipase/Protease/Amylase13suppressed
Diltiazem 24hr ErDiltiazem Hcl13suppressed
Divalproex Sodium ErDivalproex Sodium13suppressed
EntrestoSacubitril/Valsartan13suppressed
Galantamine HbrGalantamine Hbr13suppressed
Lithium CarbonateLithium Carbonate13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
NamzaricMemantine Hcl/Donepezil Hcl13suppressed
RamiprilRamipril13suppressed
SpsSodium Polystyrene Sulfon/Sorb13suppressed
TradjentaLinagliptin13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
CalcitriolCalcitriol12suppressed
Ciprofloxacin HclCiprofloxacin Hcl1212
Colestipol HclColestipol Hcl12suppressed
Diltiazem 12hr ErDiltiazem Hcl12suppressed
Folic AcidFolic Acid12suppressed
Levetiracetam ErLevetiracetam12suppressed
Metoclopramide HclMetoclopramide Hcl12suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters12suppressed
RestasisCyclosporine12suppressed
Spiriva RespimatTiotropium Bromide12suppressed
Tiadylt ErDiltiazem Hcl12suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide12suppressed
Verapamil ErVerapamil Hcl12suppressed
Dorzolamide HclDorzolamide Hcl11suppressed
FluconazoleFluconazole1111
Novofine AutocoverPen Needle, Diabetic, Safety11suppressed
SimbrinzaBrinzolamide/Brimonidine Tart11suppressed
Unifine Safecontrol Pen NeedlePen Needle,dual Safety,diabetc11suppressed

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 $126.09 · 1 records Otsuka America Pharmaceutical, Inc. REXULTI 1
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