Healthcare provider profile · identity verified

Michael J. Boyers, MD

Family Practice · SANTA ROSA, CA · NPI 1235213307

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 Calcium476154
Levothyroxine SodiumLevothyroxine Sodium345103
Amlodipine BesylateAmlodipine Besylate24877
Losartan PotassiumLosartan Potassium22158
LisinoprilLisinopril20161
SimvastatinSimvastatin17148
GabapentinGabapentin17052
LorazepamLorazepam14226
Metformin HclMetformin Hcl12537
Tamsulosin HclTamsulosin Hcl12535
HydrochlorothiazideHydrochlorothiazide11336
Trazodone HclTrazodone Hcl11140
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen9932
Metformin Hcl ErMetformin Hcl9725
Alendronate SodiumAlendronate Sodium9226
OmeprazoleOmeprazole9140
Pantoprazole SodiumPantoprazole Sodium9129
EliquisApixaban9025
Metoprolol SuccinateMetoprolol Succinate8728
AlprazolamAlprazolam8126
Sertraline HclSertraline Hcl8126
Benazepril HclBenazepril Hcl7921
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen7913
Albuterol Sulfate HfaAlbuterol Sulfate7232
Bupropion XlBupropion Hcl6921
Rosuvastatin CalciumRosuvastatin Calcium6823
Potassium ChloridePotassium Chloride6722
AllopurinolAllopurinol6621
Fluticasone PropionateFluticasone Propionate6530
Escitalopram OxalateEscitalopram Oxalate6319
FurosemideFurosemide6221
FamotidineFamotidine5925
MirtazapineMirtazapine5814
Montelukast SodiumMontelukast Sodium5717
Tramadol HclTramadol Hcl5011
Buprenorphine HclBuprenorphine Hcl49suppressed
CarvedilolCarvedilol4612
Memantine HclMemantine Hcl43suppressed
Metoprolol TartrateMetoprolol Tartrate4211
AtenololAtenolol40suppressed
MeloxicamMeloxicam4014
SynthroidLevothyroxine Sodium39suppressed
Donepezil HclDonepezil Hcl38suppressed
FinasterideFinasteride36suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl33suppressed
Fluoxetine HclFluoxetine Hcl32suppressed
Ondansetron OdtOndansetron3214
Duloxetine HclDuloxetine Hcl3111
PrednisonePrednisone3020
PregabalinPregabalin30suppressed
Zolpidem TartrateZolpidem Tartrate3018
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide29suppressed
Oxycodone HclOxycodone Hcl29suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2918
OzempicSemaglutide27suppressed
Buspirone HclBuspirone Hcl26suppressed
ValacyclovirValacyclovir Hcl26suppressed
XareltoRivaroxaban26suppressed
ClonazepamClonazepam25suppressed
Paroxetine HclParoxetine Hcl25suppressed
Pioglitazone HclPioglitazone Hcl25suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2517
Citalopram HbrCitalopram Hydrobromide24suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
ValsartanValsartan24suppressed
IbuprofenIbuprofen2313
Quetiapine FumarateQuetiapine Fumarate23suppressed
CephalexinCephalexin2214
Pravastatin SodiumPravastatin Sodium22suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2116
EzetimibeEzetimibe20suppressed
GlipizideGlipizide20suppressed
AcyclovirAcyclovir19suppressed
Azelastine HclAzelastine Hcl19suppressed
EstradiolEstradiol19suppressed
NystatinNystatin19suppressed
Venlafaxine Hcl ErVenlafaxine Hcl19suppressed
Bupropion Hcl SrBupropion Hcl18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium18suppressed
AripiprazoleAripiprazole17suppressed
CelecoxibCelecoxib17suppressed
Methylphenidate HclMethylphenidate Hcl17suppressed
OlanzapineOlanzapine17suppressed
ClopidogrelClopidogrel Bisulfate16suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl16suppressed
RamiprilRamipril16suppressed
SpironolactoneSpironolactone16suppressed
Folic AcidFolic Acid15suppressed
Meclizine HclMeclizine Hcl15suppressed
Tizanidine HclTizanidine Hcl15suppressed
Arnuity ElliptaFluticasone Furoate14suppressed
Doxazosin MesylateDoxazosin Mesylate14suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide13suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl13suppressed
Dextroamphetamine SulfateDextroamphetamine Sulfate13suppressed
Doxycycline HyclateDoxycycline Hyclate1311
ChlorthalidoneChlorthalidone12suppressed
MethocarbamolMethocarbamol12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
Ropinirole HclRopinirole Hcl12suppressed
Testosterone CypionateTestosterone Cypionate12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
BreynaBudesonide/Formoterol Fumarate11suppressed
ClotrimazoleClotrimazole11suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
KetoconazoleKetoconazole11suppressed
Memantine Hcl ErMemantine Hcl11suppressed
Olmesartan MedoxomilOlmesartan Medoxomil11suppressed
SymbicortBudesonide/Formoterol Fumarate11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed

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