Healthcare provider profile · identity verified

Vikas Gampa

Internal Medicine · CAMBRIDGE, MA · NPI 1053765297

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 Calcium372109
Amlodipine BesylateAmlodipine Besylate27980
OmeprazoleOmeprazole17148
LisinoprilLisinopril15147
GabapentinGabapentin11827
Losartan PotassiumLosartan Potassium11432
Albuterol Sulfate HfaAlbuterol Sulfate10335
Metoprolol SuccinateMetoprolol Succinate10126
HydrochlorothiazideHydrochlorothiazide9628
Levothyroxine SodiumLevothyroxine Sodium8923
Fluticasone PropionateFluticasone Propionate7524
Metformin HclMetformin Hcl7418
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl71suppressed
Metformin Hcl ErMetformin Hcl6818
Pantoprazole SodiumPantoprazole Sodium5111
Tamsulosin HclTamsulosin Hcl4915
Trazodone HclTrazodone Hcl4913
CarvedilolCarvedilol4713
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide46suppressed
Rosuvastatin CalciumRosuvastatin Calcium4311
FamotidineFamotidine41suppressed
Zolpidem TartrateZolpidem Tartrate41suppressed
Escitalopram OxalateEscitalopram Oxalate40suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl39suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium3911
SpironolactoneSpironolactone38suppressed
XareltoRivaroxaban36suppressed
TrulicityDulaglutide35suppressed
Metoprolol TartrateMetoprolol Tartrate34suppressed
Hydroxyzine HclHydroxyzine Hcl33suppressed
JardianceEmpagliflozin33suppressed
AllopurinolAllopurinol32suppressed
SimvastatinSimvastatin3211
Duloxetine HclDuloxetine Hcl31suppressed
SymbicortBudesonide/Formoterol Fumarate31suppressed
IbuprofenIbuprofen30suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3014
FarxigaDapagliflozin Propanediol27suppressed
Glipizide ErGlipizide27suppressed
Pravastatin SodiumPravastatin Sodium27suppressed
ChlorthalidoneChlorthalidone26suppressed
OzempicSemaglutide26suppressed
Sertraline HclSertraline Hcl26suppressed
EliquisApixaban25suppressed
Diclofenac SodiumDiclofenac Sodium2411
Tizanidine HclTizanidine Hcl24suppressed
ClopidogrelClopidogrel Bisulfate22suppressed
LoperamideLoperamide Hcl22suppressed
Potassium ChloridePotassium Chloride22suppressed
FurosemideFurosemide21suppressed
TradjentaLinagliptin21suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid21suppressed
BumetanideBumetanide20suppressed
Terazosin HclTerazosin Hcl20suppressed
Brimonidine TartrateBrimonidine Tartrate19suppressed
EzetimibeEzetimibe19suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate19suppressed
AtenololAtenolol16suppressed
Clobetasol PropionateClobetasol Propionate16suppressed
Montelukast SodiumMontelukast Sodium16suppressed
PregabalinPregabalin16suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate15suppressed
FinasterideFinasteride15suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol15suppressed
Humalog Kwikpen U-100Insulin Lispro15suppressed
Prochlorperazine MaleateProchlorperazine Maleate15suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic15suppressed
FluconazoleFluconazole14suppressed
FluocinonideFluocinonide14suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14suppressed
MirtazapineMirtazapine14suppressed
RizatriptanRizatriptan Benzoate14suppressed
Bupropion XlBupropion Hcl13suppressed
Citalopram HbrCitalopram Hydrobromide13suppressed
FamciclovirFamciclovir13suppressed
LansoprazoleLansoprazole13suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic13suppressed
Testosterone CypionateTestosterone Cypionate13suppressed
Alendronate SodiumAlendronate Sodium12suppressed
Buprenorphine HclBuprenorphine Hcl12suppressed
LidocaineLidocaine12suppressed
OxcarbazepineOxcarbazepine12suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads11suppressed
DilantinPhenytoin Sodium Extended11suppressed
EstradiolEstradiol11suppressed
LatanoprostLatanoprost11suppressed
MethocarbamolMethocarbamol11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed
Oxycodone HclOxycodone Hcl11suppressed
Spiriva HandihalerTiotropium Bromide11suppressed

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