Healthcare provider profile · identity verified

Janice A Quan, M.D.

Internal Medicine · BOSTON, MA · NPI 1730166646

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 Calcium495129
Amlodipine BesylateAmlodipine Besylate370100
Albuterol Sulfate HfaAlbuterol Sulfate27468
OmeprazoleOmeprazole23761
Metoprolol SuccinateMetoprolol Succinate23353
Losartan PotassiumLosartan Potassium23066
HydrochlorothiazideHydrochlorothiazide20455
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen18616
GabapentinGabapentin18232
Metformin HclMetformin Hcl17049
Levothyroxine SodiumLevothyroxine Sodium14635
TrulicityDulaglutide13121
Fluticasone PropionateFluticasone Propionate11442
LisinoprilLisinopril11234
Terazosin HclTerazosin Hcl11018
Montelukast SodiumMontelukast Sodium10824
Tramadol HclTramadol Hcl10516
Ventolin HfaAlbuterol Sulfate9324
Pantoprazole SodiumPantoprazole Sodium8313
LidocaineLidocaine8218
Nifedipine ErNifedipine8217
FamotidineFamotidine7621
Incruse ElliptaUmeclidinium Bromide66suppressed
PrednisonePrednisone6621
Tamsulosin HclTamsulosin Hcl6619
SimvastatinSimvastatin6312
AllopurinolAllopurinol6113
EliquisApixaban5813
Oxycodone HclOxycodone Hcl58suppressed
Citalopram HbrCitalopram Hydrobromide5512
Diclofenac SodiumDiclofenac Sodium5315
JardianceEmpagliflozin5212
IbuprofenIbuprofen5118
Rosuvastatin CalciumRosuvastatin Calcium5013
Isosorbide Mononitrate ErIsosorbide Mononitrate48suppressed
SpironolactoneSpironolactone46suppressed
FurosemideFurosemide4413
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4413
TradjentaLinagliptin38suppressed
Trazodone HclTrazodone Hcl37suppressed
AtenololAtenolol36suppressed
Amitriptyline HclAmitriptyline Hcl35suppressed
Metoprolol TartrateMetoprolol Tartrate34suppressed
Sertraline HclSertraline Hcl34suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads3311
TorsemideTorsemide29suppressed
FinasterideFinasteride28suppressed
LatanoprostLatanoprost28suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2711
AmoxicillinAmoxicillin26suppressed
BaclofenBaclofen26suppressed
ClonazepamClonazepam25suppressed
Fluoxetine HclFluoxetine Hcl25suppressed
CarvedilolCarvedilol24suppressed
JanuviaSitagliptin Phosphate24suppressed
Morphine Sulfate ErMorphine Sulfate24suppressed
XareltoRivaroxaban24suppressed
Humalog Kwikpen U-100Insulin Lispro23suppressed
KetoconazoleKetoconazole23suppressed
EntrestoSacubitril/Valsartan22suppressed
Dicyclomine HclDicyclomine Hcl20suppressed
Oxybutynin Chloride ErOxybutynin Chloride20suppressed
ChlorthalidoneChlorthalidone19suppressed
PregabalinPregabalin19suppressed
Unifine PentipsPen Needle, Diabetic19suppressed
Ammonium LactateAmmonium Lactate18suppressed
ClotrimazoleClotrimazole18suppressed
ColchicineColchicine18suppressed
Nortriptyline HclNortriptyline Hcl18suppressed
Pioglitazone HclPioglitazone Hcl18suppressed
Qvar RedihalerBeclomethasone Dipropionate18suppressed
Arnuity ElliptaFluticasone Furoate16suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog16suppressed
Hydralazine HclHydralazine Hcl16suppressed
Labetalol HclLabetalol Hcl16suppressed
MirtazapineMirtazapine16suppressed
SynthroidLevothyroxine Sodium16suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter16suppressed
AcyclovirAcyclovir15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl15suppressed
HumalogInsulin Lispro15suppressed
Naltrexone HclNaltrexone Hcl15suppressed
OzempicSemaglutide15suppressed
Azelastine HclAzelastine Hcl14suppressed
Desmopressin AcetateDesmopressin Acetate14suppressed
Escitalopram OxalateEscitalopram Oxalate14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
Lidocaine-PrilocaineLidocaine/Prilocaine14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
Fluticasone Propionate HfaFluticasone Propionate13suppressed
LactuloseLactulose13suppressed
LamotrigineLamotrigine13suppressed
MeloxicamMeloxicam13suppressed
MounjaroTirzepatide13suppressed
RizatriptanRizatriptan Benzoate13suppressed
CreonLipase/Protease/Amylase12suppressed
GlipizideGlipizide12suppressed
HydroxyureaHydroxyurea12suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
Metformin Hcl ErMetformin Hcl12suppressed
Paroxetine HclParoxetine Hcl12suppressed
Pulmicort FlexhalerBudesonide12suppressed
Alcohol SwabAlcohol Antiseptic Pads11suppressed
Alendronate SodiumAlendronate Sodium11suppressed
AlprazolamAlprazolam11suppressed
Asmanex HfaMometasone Furoate11suppressed
Atrovent HfaIpratropium Bromide11suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed
NaproxenNaproxen11suppressed
Potassium ChloridePotassium Chloride11suppressed
Quetiapine FumarateQuetiapine Fumarate11suppressed
Sevelamer CarbonateSevelamer Carbonate11suppressed
Spiriva HandihalerTiotropium Bromide11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed

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