Healthcare provider profile · identity verified

Ranjan Chowdhry, M.D.

Internal Medicine · BELLINGHAM, MA · NPI 1386794675

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 Calcium725201
LisinoprilLisinopril29381
Metformin HclMetformin Hcl23466
Levothyroxine SodiumLevothyroxine Sodium19953
Amlodipine BesylateAmlodipine Besylate18655
OmeprazoleOmeprazole18049
Metoprolol SuccinateMetoprolol Succinate17146
Oxycodone HclOxycodone Hcl16422
GabapentinGabapentin16354
Losartan PotassiumLosartan Potassium14446
HydrochlorothiazideHydrochlorothiazide13544
Alendronate SodiumAlendronate Sodium13442
SimvastatinSimvastatin10231
Pantoprazole SodiumPantoprazole Sodium9915
EliquisApixaban8919
Tamsulosin HclTamsulosin Hcl8927
Fluticasone PropionateFluticasone Propionate8834
AllopurinolAllopurinol8322
FamotidineFamotidine8126
Sertraline HclSertraline Hcl7823
OzempicSemaglutide7712
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7422
FurosemideFurosemide6920
Rosuvastatin CalciumRosuvastatin Calcium6421
ClonazepamClonazepam5417
Pravastatin SodiumPravastatin Sodium5217
Albuterol Sulfate HfaAlbuterol Sulfate5124
MounjaroTirzepatide4911
Glipizide ErGlipizide4813
Cyclobenzaprine HclCyclobenzaprine Hcl4615
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen45suppressed
JardianceEmpagliflozin4513
AlprazolamAlprazolam4012
Metoprolol TartrateMetoprolol Tartrate4014
AtenololAtenolol3811
ClopidogrelClopidogrel Bisulfate36suppressed
Buspirone HclBuspirone Hcl3512
CarvedilolCarvedilol3511
NitroglycerinNitroglycerin3412
Citalopram HbrCitalopram Hydrobromide33suppressed
Warfarin SodiumWarfarin Sodium33suppressed
DiazepamDiazepam32suppressed
Varenicline TartrateVarenicline Tartrate32suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide30suppressed
XareltoRivaroxaban30suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog29suppressed
Duloxetine HclDuloxetine Hcl27suppressed
Zolpidem TartrateZolpidem Tartrate27suppressed
Trazodone HclTrazodone Hcl25suppressed
NystatinNystatin2311
PaxlovidNirmatrelvir/Ritonavir2323
SynthroidLevothyroxine Sodium23suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr22suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic22suppressed
LacosamideLacosamide21suppressed
Meclizine HclMeclizine Hcl21suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2112
LorazepamLorazepam20suppressed
PregabalinPregabalin20suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol19suppressed
Pitavastatin CalciumPitavastatin Calcium19suppressed
Quetiapine FumarateQuetiapine Fumarate19suppressed
Enalapril MaleateEnalapril Maleate16suppressed
Escitalopram OxalateEscitalopram Oxalate16suppressed
FinasterideFinasteride16suppressed
Montelukast SodiumMontelukast Sodium16suppressed
Tramadol HclTramadol Hcl16suppressed
TrulicityDulaglutide16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog15suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1514
GlimepirideGlimepiride15suppressed
Terazosin HclTerazosin Hcl15suppressed
EzetimibeEzetimibe14suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride14suppressed
IbuprofenIbuprofen13suppressed
Morphine Sulfate ErMorphine Sulfate13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic13suppressed
AcyclovirAcyclovir12suppressed
Hydroxyzine HclHydroxyzine Hcl12suppressed
Labetalol HclLabetalol Hcl12suppressed
LevetiracetamLevetiracetam12suppressed
Amitriptyline HclAmitriptyline Hcl11suppressed
Ciprofloxacin HclCiprofloxacin Hcl1111
DutasterideDutasteride11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
LoperamideLoperamide Hcl11suppressed
Midodrine HclMidodrine Hcl11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
PrednisonePrednisone11suppressed

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