Healthcare provider profile · identity verified

Suzanne E Gleysteen, M.D.

Internal Medicine · BROOKLINE, MA · NPI 1871608836

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 Calcium440171
Levothyroxine SodiumLevothyroxine Sodium396125
Losartan PotassiumLosartan Potassium332109
Amlodipine BesylateAmlodipine Besylate320117
SimvastatinSimvastatin28291
HydrochlorothiazideHydrochlorothiazide27888
Rosuvastatin CalciumRosuvastatin Calcium24682
OmeprazoleOmeprazole23577
LisinoprilLisinopril21873
LorazepamLorazepam20367
GabapentinGabapentin15849
Sertraline HclSertraline Hcl13948
Citalopram HbrCitalopram Hydrobromide12836
SynthroidLevothyroxine Sodium11437
Bupropion XlBupropion Hcl11233
Metoprolol SuccinateMetoprolol Succinate10242
AtenololAtenolol10032
EliquisApixaban9726
Escitalopram OxalateEscitalopram Oxalate9530
OzempicSemaglutide8519
Trazodone HclTrazodone Hcl8227
Pantoprazole SodiumPantoprazole Sodium7926
Alendronate SodiumAlendronate Sodium6328
Albuterol Sulfate HfaAlbuterol Sulfate5830
Montelukast SodiumMontelukast Sodium5419
PrednisonePrednisone5022
ValacyclovirValacyclovir Hcl4919
EzetimibeEzetimibe4821
Zolpidem TartrateZolpidem Tartrate4516
Fluoxetine HclFluoxetine Hcl4414
ClonazepamClonazepam4313
EstradiolEstradiol4115
Fluticasone PropionateFluticasone Propionate4017
Tramadol HclTramadol Hcl40suppressed
FamotidineFamotidine3917
AllopurinolAllopurinol3815
MounjaroTirzepatide36suppressed
Azelastine HclAzelastine Hcl3513
Potassium ChloridePotassium Chloride3514
Tamsulosin HclTamsulosin Hcl3515
CarvedilolCarvedilol3114
Duloxetine HclDuloxetine Hcl31suppressed
AzithromycinAzithromycin3020
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen30suppressed
Metformin Hcl ErMetformin Hcl3011
Pravastatin SodiumPravastatin Sodium30suppressed
Sumatriptan SuccinateSumatriptan Succinate30suppressed
SpironolactoneSpironolactone2912
Venlafaxine Hcl ErVenlafaxine Hcl29suppressed
ChlorthalidoneChlorthalidone28suppressed
Hydromorphone HclHydromorphone Hcl28suppressed
Metformin HclMetformin Hcl2811
Ondansetron OdtOndansetron2815
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide27suppressed
ValsartanValsartan27suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2622
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl24suppressed
DiazepamDiazepam24suppressed
Oxybutynin Chloride ErOxybutynin Chloride24suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen2411
LamotrigineLamotrigine23suppressed
Klor-Con M20Potassium Chloride22suppressed
MeloxicamMeloxicam22suppressed
NystatinNystatin22suppressed
FinasterideFinasteride21suppressed
Oxycodone HclOxycodone Hcl2112
Esomeprazole MagnesiumEsomeprazole Magnesium20suppressed
Propranolol HclPropranolol Hcl20suppressed
AcyclovirAcyclovir1912
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide18suppressed
CelecoxibCelecoxib17suppressed
LinzessLinaclotide17suppressed
Metoprolol TartrateMetoprolol Tartrate17suppressed
LevoxylLevothyroxine Sodium16suppressed
Spiriva RespimatTiotropium Bromide16suppressed
Betamethasone DipropionateBetamethasone Dipropionate15suppressed
FurosemideFurosemide15suppressed
IbuprofenIbuprofen15suppressed
LidocaineLidocaine15suppressed
Ventolin HfaAlbuterol Sulfate15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
YuvafemEstradiol15suppressed
AlprazolamAlprazolam14suppressed
OxycontinOxycodone Hcl14suppressed
Triamcinolone AcetonideTriamcinolone Acetonide14suppressed
Bupropion Hcl SrBupropion Hcl13suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine13suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil13suppressed
Doxycycline HyclateDoxycycline Hyclate1313
MinoxidilMinoxidil13suppressed
Nortriptyline HclNortriptyline Hcl13suppressed
Verapamil ErVerapamil Hcl13suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine12suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
EpinephrineEpinephrine11suppressed
IrbesartanIrbesartan11suppressed
MetronidazoleMetronidazole11suppressed
PremarinEstrogens, Conjugated11suppressed
Qvar RedihalerBeclomethasone Dipropionate11suppressed
Tramadol Hcl ErTramadol 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