Healthcare provider profile · identity verified

Walter M Maier, MD,MPH

Allopathic & Osteopathic Physicians|Preventive Medicine|Preventive Medicine/Occupational Environmental Medicine · LAKE ARROWHEAD, CA · NPI 1235175233

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 Walter M Maier, MD,MPH received $17.75 in general payments during 2025 across 1 reported records.

VERTEX PHARMACEUTICALS INCORPORATED accounted for 100.0% of that reported general-payment amount.

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

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

Payment overview · 2025

General Payments

$17.75

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
VERTEX PHARMACEUTICALS INCORPORATED Unresolved — no canonical attribution shown $17.75100.0%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$17.751

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
JOURNAVX
Normalized: journavx
Drug VERTEX PHARMACEUTICALS INCORPORATED $17.75 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

No exact normalized or approved-alias overlap was found in the loaded Part D year. This does not mean the doctor never prescribed the product.

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.

No publishable same-company prescribing overlap was found in the loaded Part D year. This does not mean the doctor never prescribed a drug reported elsewhere by a paying company.

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
Levothyroxine SodiumLevothyroxine Sodium32590
Losartan PotassiumLosartan Potassium29186
Atorvastatin CalciumAtorvastatin Calcium28390
Amlodipine BesylateAmlodipine Besylate26880
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20845
GabapentinGabapentin20042
SimvastatinSimvastatin13438
Tamsulosin HclTamsulosin Hcl12638
LisinoprilLisinopril12335
Trazodone HclTrazodone Hcl12326
FurosemideFurosemide11737
Potassium ChloridePotassium Chloride11333
BaclofenBaclofen10933
Albuterol Sulfate HfaAlbuterol Sulfate10847
AlprazolamAlprazolam10517
HydrochlorothiazideHydrochlorothiazide10229
Metoprolol SuccinateMetoprolol Succinate9524
LorazepamLorazepam8927
Zolpidem TartrateZolpidem Tartrate8719
Sertraline HclSertraline Hcl8622
EliquisApixaban8520
Metformin HclMetformin Hcl8426
OmeprazoleOmeprazole8427
Cyclobenzaprine HclCyclobenzaprine Hcl7719
Duloxetine HclDuloxetine Hcl7316
ClopidogrelClopidogrel Bisulfate6920
IbuprofenIbuprofen6928
OzempicSemaglutide6911
AzithromycinAzithromycin6650
Escitalopram OxalateEscitalopram Oxalate6617
Tramadol HclTramadol Hcl65suppressed
Sumatriptan SuccinateSumatriptan Succinate60suppressed
LevetiracetamLevetiracetam5711
Metoprolol TartrateMetoprolol Tartrate5720
TemazepamTemazepam5513
Pantoprazole SodiumPantoprazole Sodium5317
ChlorthalidoneChlorthalidone5215
Quetiapine FumarateQuetiapine Fumarate52suppressed
Ropinirole HclRopinirole Hcl52suppressed
AtenololAtenolol5112
Citalopram HbrCitalopram Hydrobromide50suppressed
FamotidineFamotidine5016
Fluoxetine HclFluoxetine Hcl4913
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4913
Venlafaxine Hcl ErVenlafaxine Hcl49suppressed
XareltoRivaroxaban49suppressed
Fluticasone PropionateFluticasone Propionate4719
GlipizideGlipizide4512
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4512
Ciprofloxacin HclCiprofloxacin Hcl4437
MeloxicamMeloxicam4415
FinasterideFinasteride4314
CarvedilolCarvedilol4213
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4136
Montelukast SodiumMontelukast Sodium3912
PrednisonePrednisone3922
Triamcinolone AcetonideTriamcinolone Acetonide3924
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3811
Ondansetron HclOndansetron Hcl3819
AllopurinolAllopurinol3612
Bupropion Hcl SrBupropion Hcl36suppressed
Tizanidine HclTizanidine Hcl36suppressed
AcyclovirAcyclovir3416
CelecoxibCelecoxib3411
CephalexinCephalexin3316
Rosuvastatin CalciumRosuvastatin Calcium3311
AmoxicillinAmoxicillin3228
Benazepril HclBenazepril Hcl32suppressed
Propranolol HclPropranolol Hcl3211
Alendronate SodiumAlendronate Sodium31suppressed
EstradiolEstradiol31suppressed
MirtazapineMirtazapine31suppressed
PregabalinPregabalin30suppressed
LovastatinLovastatin29suppressed
SynthroidLevothyroxine Sodium29suppressed
Solifenacin SuccinateSolifenacin Succinate28suppressed
TopiramateTopiramate28suppressed
FenofibrateFenofibrate Nanocrystallized27suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol27suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid27suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride26suppressed
TrulicityDulaglutide25suppressed
Diclofenac SodiumDiclofenac Sodium2415
Meclizine HclMeclizine Hcl24suppressed
MethocarbamolMethocarbamol23suppressed
Testosterone CypionateTestosterone Cypionate23suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine22suppressed
Glipizide ErGlipizide22suppressed
JanuviaSitagliptin Phosphate22suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter22suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate21suppressed
ColchicineColchicine20suppressed
DiazepamDiazepam20suppressed
FluconazoleFluconazole2012
Morphine Sulfate ErMorphine Sulfate20suppressed
Vitamin D2Ergocalciferol (Vitamin D2)20suppressed
CarisoprodolCarisoprodol19suppressed
ClonazepamClonazepam19suppressed
EzetimibeEzetimibe19suppressed
OfloxacinOfloxacin1917
Donepezil HclDonepezil Hcl18suppressed
FarxigaDapagliflozin Propanediol18suppressed
NystatinNystatin1811
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen18suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog17suppressed
BrilintaTicagrelor17suppressed
GemfibrozilGemfibrozil17suppressed
Metformin Hcl ErMetformin Hcl17suppressed
PaxlovidNirmatrelvir/Ritonavir1717
Amitriptyline HclAmitriptyline Hcl16suppressed
LidocaineLidocaine16suppressed
Paroxetine HclParoxetine Hcl16suppressed
ValsartanValsartan16suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr15suppressed
Bupropion XlBupropion Hcl15suppressed
Doxepin HclDoxepin Hcl15suppressed
Doxycycline HyclateDoxycycline Hyclate15suppressed
Folic AcidFolic Acid15suppressed
Amiodarone HclAmiodarone Hcl14suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine14suppressed
DutasterideDutasteride14suppressed
LansoprazoleLansoprazole14suppressed
NaproxenNaproxen14suppressed
Novolog FlexpenInsulin Aspart14suppressed
TestosteroneTestosterone14suppressed
Clonidine HclClonidine Hcl13suppressed
Divalproex Sodium ErDivalproex Sodium13suppressed
Novolin R FlexpenInsulin Regular, Human13suppressed
RamiprilRamipril13suppressed
Warfarin SodiumWarfarin Sodium13suppressed
Buspirone HclBuspirone Hcl12suppressed
EszopicloneEszopiclone12suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate12suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
MounjaroTirzepatide12suppressed
SpironolactoneSpironolactone12suppressed
Ammonium LactateAmmonium Lactate11suppressed
Mometasone FuroateMometasone Furoate11suppressed
ValacyclovirValacyclovir Hcl11suppressed
Zolpidem Tartrate ErZolpidem Tartrate11suppressed

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 $17.75 · 1 records VERTEX PHARMACEUTICALS INCORPORATED JOURNAVX
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