Healthcare provider profile · identity verified

Michael G Bertos, M.D.

Allopathic & Osteopathic Physicians|Internal Medicine · N CHELMSFORD, MA · NPI 1043245145

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 Michael G Bertos, M.D. received $26.01 in general payments during 2025 across 1 reported records.

Neurocrine BioSciences, Inc. 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

$26.01

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
Neurocrine BioSciences, Inc. Unresolved — no canonical attribution shown $26.01100.0%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$26.011

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
INGREZZA
Normalized: ingrezza
Drug Neurocrine BioSciences, Inc. $26.01 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
Atorvastatin CalciumAtorvastatin Calcium1605373
Levothyroxine SodiumLevothyroxine Sodium1030206
FurosemideFurosemide956183
Amlodipine BesylateAmlodipine Besylate897199
EliquisApixaban887104
Trazodone HclTrazodone Hcl703134
LisinoprilLisinopril690167
Pantoprazole SodiumPantoprazole Sodium668148
MirtazapineMirtazapine647138
Metoprolol SuccinateMetoprolol Succinate607147
Sertraline HclSertraline Hcl576113
Escitalopram OxalateEscitalopram Oxalate551115
GabapentinGabapentin53599
OmeprazoleOmeprazole532168
Duloxetine HclDuloxetine Hcl531104
Tamsulosin HclTamsulosin Hcl529129
JardianceEmpagliflozin512120
Metformin HclMetformin Hcl45979
Quetiapine FumarateQuetiapine Fumarate41850
Losartan PotassiumLosartan Potassium36587
OlanzapineOlanzapine36233
Fluoxetine HclFluoxetine Hcl31552
PrednisonePrednisone297173
Divalproex SodiumDivalproex Sodium29541
Buspirone HclBuspirone Hcl29046
LevetiracetamLevetiracetam28034
SimvastatinSimvastatin25958
Donepezil HclDonepezil Hcl25553
Methenamine HippurateMethenamine Hippurate25341
ClopidogrelClopidogrel Bisulfate24146
Rosuvastatin CalciumRosuvastatin Calcium23960
FamotidineFamotidine23658
Metoprolol TartrateMetoprolol Tartrate23258
AllopurinolAllopurinol22854
Metformin Hcl ErMetformin Hcl22378
Montelukast SodiumMontelukast Sodium21862
FinasterideFinasteride20947
Warfarin SodiumWarfarin Sodium20729
AripiprazoleAripiprazole20047
Bupropion XlBupropion Hcl20047
LorazepamLorazepam19176
Albuterol Sulfate HfaAlbuterol Sulfate17274
MeloxicamMeloxicam16161
Benztropine MesylateBenztropine Mesylate15914
Propranolol HclPropranolol Hcl15315
Potassium ChloridePotassium Chloride15237
XareltoRivaroxaban15020
TopiramateTopiramate14953
AlprazolamAlprazolam14554
Doxycycline HyclateDoxycycline Hyclate14374
LamotrigineLamotrigine13916
Tramadol HclTramadol Hcl13951
Tizanidine HclTizanidine Hcl13738
Carbidopa-LevodopaCarbidopa/Levodopa13118
Doxazosin MesylateDoxazosin Mesylate12931
BaclofenBaclofen12820
Cefpodoxime ProxetilCefpodoxime Proxetil12686
SpironolactoneSpironolactone12440
AzithromycinAzithromycin12392
ClozapineClozapine123suppressed
JanuviaSitagliptin Phosphate12313
TradjentaLinagliptin12311
OxcarbazepineOxcarbazepine121suppressed
OzempicSemaglutide12131
Ondansetron HclOndansetron Hcl11762
Chlorpromazine HclChlorpromazine Hcl116suppressed
Trospium ChlorideTrospium Chloride11635
Venlafaxine Hcl ErVenlafaxine Hcl11621
LantusInsulin Glargine,hum.Rec.Anlog11424
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate11234
RisperidoneRisperidone11024
TorsemideTorsemide10932
LatanoprostLatanoprost10823
MounjaroTirzepatide10825
Memantine HclMemantine Hcl10319
Glipizide ErGlipizide10230
Oxybutynin Chloride ErOxybutynin Chloride10226
Citalopram HbrCitalopram Hydrobromide10124
Midodrine HclMidodrine Hcl10022
CelecoxibCelecoxib9927
Ropinirole HclRopinirole Hcl9825
LactuloseLactulose9719
AtenololAtenolol9526
Labetalol HclLabetalol Hcl9412
Trelegy ElliptaFluticasone/Umeclidin/Vilanter9422
FarxigaDapagliflozin Propanediol9112
TrulicityDulaglutide9019
EntrestoSacubitril/Valsartan89suppressed
Fluticasone PropionateFluticasone Propionate8942
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog8615
Hydralazine HclHydralazine Hcl8615
HydrochlorothiazideHydrochlorothiazide8627
Lithium CarbonateLithium Carbonate84suppressed
HaloperidolHaloperidol82suppressed
Triamcinolone AcetonideTriamcinolone Acetonide8237
PrimidonePrimidone8019
Ibandronate SodiumIbandronate Sodium7928
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7928
SucralfateSucralfate7716
Pravastatin SodiumPravastatin Sodium7625
Metoclopramide HclMetoclopramide Hcl7518
LinzessLinaclotide7414
Hydroxyzine HclHydroxyzine Hcl7212
MupirocinMupirocin7233
NyamycNystatin7220
Diltiazem 24hr Er (Cd)Diltiazem Hcl7018
Vitamin D2Ergocalciferol (Vitamin D2)7029
CarvedilolCarvedilol6923
GlipizideGlipizide6919
Lantus SolostarInsulin Glargine,hum.Rec.Anlog6822
Oxybutynin ChlorideOxybutynin Chloride6811
Paroxetine HclParoxetine Hcl6714
Azelastine HclAzelastine Hcl6637
LovastatinLovastatin6514
Wixela InhubFluticasone Propion/Salmeterol6517
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat6212
Bupropion Hcl SrBupropion Hcl6111
ClonazepamClonazepam6023
CephalexinCephalexin5835
DigoxinDigoxin5811
BumetanideBumetanide57suppressed
Ciprofloxacin HclCiprofloxacin Hcl5744
Oxycodone HclOxycodone Hcl5723
Zolpidem TartrateZolpidem Tartrate5722
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav5636
ValsartanValsartan5515
XifaxanRifaximin55suppressed
Albuterol SulfateAlbuterol Sulfate5424
RybelsusSemaglutide5420
SynthroidLevothyroxine Sodium5417
Amiodarone HclAmiodarone Hcl53suppressed
Diclofenac SodiumDiclofenac Sodium5319
Fluphenazine HclFluphenazine Hcl53suppressed
NystatinNystatin5327
Cyclobenzaprine HclCyclobenzaprine Hcl5220
WegovySemaglutide5116
NovologInsulin Aspart50suppressed
Alendronate SodiumAlendronate Sodium4917
Fluticasone-SalmeterolFluticasone Propion/Salmeterol4915
GlimepirideGlimepiride49suppressed
HumalogInsulin Lispro4917
ModafinilModafinil4916
MinoxidilMinoxidil4821
EszopicloneEszopiclone4712
RexultiBrexpiprazole46suppressed
IbuprofenIbuprofen4515
Janumet XrSitagliptin Phos/Metformin Hcl45suppressed
Amitriptyline HclAmitriptyline Hcl43suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate4312
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4317
MyrbetriqMirabegron43suppressed
CeftriaxoneCeftriaxone Sodium4018
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc3918
Diltiazem 24hr ErDiltiazem Hcl39suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3917
LevemirInsulin Detemir39suppressed
LevofloxacinLevofloxacin3927
Clonidine HclClonidine Hcl3811
FluconazoleFluconazole3828
PaxlovidNirmatrelvir/Ritonavir3838
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim3815
Brimonidine TartrateBrimonidine Tartrate37suppressed
Meclizine HclMeclizine Hcl3719
Paliperidone ErPaliperidone37suppressed
Atropine SulfateAtropine Sulfate36suppressed
ErtapenemErtapenem Sodium36suppressed
Fluvoxamine MaleateFluvoxamine Maleate36suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst3622
EzetimibeEzetimibe3512
LoperamideLoperamide Hcl35suppressed
Terbinafine HclTerbinafine Hcl3517
PhenytoinPhenytoin34suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen3312
Ziprasidone HclZiprasidone Hcl33suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate3216
Breo ElliptaFluticasone/Vilanterol3112
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine31suppressed
MethimazoleMethimazole31suppressed
CilostazolCilostazol30suppressed
PerphenazinePerphenazine30suppressed
Divalproex Sodium ErDivalproex Sodium29suppressed
Dorzolamide HclDorzolamide Hcl29suppressed
FenofibrateFenofibrate,micronized29suppressed
Incruse ElliptaUmeclidinium Bromide2911
Insulin Glargine-YfgnInsulin Glargine-Yfgn2914
NuplazidPimavanserin Tartrate29suppressed
ErythromycinErythromycin Base2815
OxycontinOxycodone Hcl28suppressed
Varenicline TartrateVarenicline Tartrate2811
Morphine Sulfate ErMorphine Sulfate27suppressed
NuedextaDextromethorphan Hbr/Quinidine27suppressed
Sumatriptan SuccinateSumatriptan Succinate27suppressed
Insulin LisproInsulin Lispro2611
Vancomycin HclVancomycin Hcl2611
AmantadineAmantadine Hcl25suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine25suppressed
LidocaineLidocaine25suppressed
ZonisamideZonisamide25suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr24suppressed
Felodipine ErFelodipine24suppressed
Prazosin HclPrazosin Hcl24suppressed
MesalamineMesalamine23suppressed
Silver SulfadiazineSilver Sulfadiazine23suppressed
Carbamazepine ErCarbamazepine22suppressed
GemfibrozilGemfibrozil22suppressed
PregabalinPregabalin22suppressed
AmoxicillinAmoxicillin2113
BudesonideBudesonide21suppressed
Novolog FlexpenInsulin Aspart21suppressed
Risperidone ErRisperidone Microspheres21suppressed
SymbicortBudesonide/Formoterol Fumarate21suppressed
Trihexyphenidyl HclTrihexyphenidyl Hcl21suppressed
MetolazoneMetolazone20suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic20suppressed
NystopNystatin2012
Oseltamivir PhosphateOseltamivir Phosphate2020
RivastigmineRivastigmine Tartrate20suppressed
Venlafaxine HclVenlafaxine Hcl20suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol19suppressed
CarbamazepineCarbamazepine19suppressed
Fludrocortisone AcetateFludrocortisone Acetate19suppressed
LansoprazoleLansoprazole19suppressed
MetronidazoleMetronidazole1911
NitroglycerinNitroglycerin1912
Propranolol Hcl ErPropranolol Hcl19suppressed
ValacyclovirValacyclovir Hcl19suppressed
DapagliflozinDapagliflozin Propanediol18suppressed
Memantine Hcl ErMemantine Hcl18suppressed
Olanzapine OdtOlanzapine18suppressed
Valproic AcidValproic Acid18suppressed
VascepaIcosapent Ethyl18suppressed
Acetaminophen-CodeineAcetaminophen With Codeine17suppressed
Chlorhexidine GluconateChlorhexidine Gluconate17suppressed
DiazepamDiazepam17suppressed
Haloperidol DecanoateHaloperidol Decanoate17suppressed
NitrofurantoinNitrofurantoin Macrocrystal17suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl17suppressed
ProbenecidProbenecid17suppressed
Trifluoperazine HclTrifluoperazine Hcl17suppressed
Clobetasol PropionateClobetasol Propionate16suppressed
ClonidineClonidine16suppressed
ColchicineColchicine16suppressed
CreonLipase/Protease/Amylase16suppressed
Ketorolac TromethamineKetorolac Tromethamine16suppressed
Klor-Con M20Potassium Chloride16suppressed
Levemir FlexpenInsulin Detemir16suppressed
SotalolSotalol Hcl16suppressed
Spiriva HandihalerTiotropium Bromide16suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium15suppressed
Guanfacine HclGuanfacine Hcl15suppressed
Hyoscyamine SulfateHyoscyamine Sulfate15suppressed
KetoconazoleKetoconazole15suppressed
Pilocarpine HclPilocarpine Hcl15suppressed
SantylCollagenase Clostridium Hist.1511
ScopolamineScopolamine15suppressed
TestosteroneTestosterone15suppressed
Timolol MaleateTimolol Maleate15suppressed
Tresiba Flextouch U-100Insulin Degludec15suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala14suppressed
EstradiolEstradiol14suppressed
Fluticasone-VilanterolFluticasone/Vilanterol14suppressed
Humulin NInsulin Nph Human Isophane14suppressed
MethotrexateMethotrexate Sodium14suppressed
MethylprednisoloneMethylprednisolone1414
Penicillin V PotassiumPenicillin V Potassium14suppressed
Prednisolone AcetatePrednisolone Acetate14suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14suppressed
Advair DiskusFluticasone Propion/Salmeterol13suppressed
CalcitriolCalcitriol13suppressed
CombiganBrimonidine Tartrate/Timolol13suppressed
DifluprednateDifluprednate13suppressed
Diltiazem 24hr Er (La)Diltiazem Hcl13suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro13suppressed
MisoprostolMisoprostol13suppressed
Prochlorperazine MaleateProchlorperazine Maleate13suppressed
Sevelamer CarbonateSevelamer Carbonate13suppressed
AnastrozoleAnastrozole12suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)12suppressed
CyclosporineCyclosporine12suppressed
EnbrelEtanercept12suppressed
FenofibrateFenofibrate12suppressed
Imipramine HclImipramine Hcl12suppressed
LetrozoleLetrozole12suppressed
Mycophenolate MofetilMycophenolate Mofetil12suppressed
Mycophenolic AcidMycophenolate Sodium12suppressed
ThiothixeneThiothixene12suppressed
Brimonidine Tartrate-TimololBrimonidine Tartrate/Timolol11suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate11suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate11suppressed
Dilt-XrDiltiazem Hcl11suppressed
KonvomepOmeprazole/Sodium Bicarbonate11suppressed
Naltrexone HclNaltrexone Hcl11suppressed
Olmesartan MedoxomilOlmesartan Medoxomil11suppressed
PentasaMesalamine11suppressed
Valproic AcidValproic Acid (As Sodium Salt)11suppressed

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 $26.01 · 1 records Neurocrine BioSciences, Inc. INGREZZA
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