Healthcare provider profile · identity verified

John T Cotter, MD

Family Practice · LANCASTER, PA · NPI 1003801507

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
SimvastatinSimvastatin32592
Atorvastatin CalciumAtorvastatin Calcium28383
Amlodipine BesylateAmlodipine Besylate24169
Metoprolol SuccinateMetoprolol Succinate22070
Citalopram HbrCitalopram Hydrobromide21161
MeloxicamMeloxicam21191
OmeprazoleOmeprazole20967
Losartan PotassiumLosartan Potassium20869
Rosuvastatin CalciumRosuvastatin Calcium20467
Levothyroxine SodiumLevothyroxine Sodium18352
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15742
Metformin Hcl ErMetformin Hcl13734
Tamsulosin HclTamsulosin Hcl12640
Alendronate SodiumAlendronate Sodium12537
HydrochlorothiazideHydrochlorothiazide11833
Duloxetine HclDuloxetine Hcl11525
Pioglitazone HclPioglitazone Hcl10931
LisinoprilLisinopril10429
Metoprolol TartrateMetoprolol Tartrate9626
FurosemideFurosemide9129
Tramadol HclTramadol Hcl8624
Trazodone HclTrazodone Hcl8631
Donepezil HclDonepezil Hcl8120
GabapentinGabapentin7522
Pantoprazole SodiumPantoprazole Sodium7123
ClopidogrelClopidogrel Bisulfate7018
GlimepirideGlimepiride7019
AtenololAtenolol6819
TrulicityDulaglutide6413
Metformin HclMetformin Hcl6321
PrednisonePrednisone6344
EliquisApixaban6019
Fluticasone PropionateFluticasone Propionate6031
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6014
Montelukast SodiumMontelukast Sodium6016
SynthroidLevothyroxine Sodium5817
FamotidineFamotidine5721
Sertraline HclSertraline Hcl5213
Bupropion Hcl SrBupropion Hcl51suppressed
CefuroximeCefuroxime Axetil5148
Escitalopram OxalateEscitalopram Oxalate5116
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4839
Oxycodone HclOxycodone Hcl48suppressed
AlprazolamAlprazolam4513
Triamcinolone AcetonideTriamcinolone Acetonide4421
EzetimibeEzetimibe4313
Bupropion XlBupropion Hcl4114
MirtazapineMirtazapine4012
Zolpidem TartrateZolpidem Tartrate3914
Albuterol Sulfate HfaAlbuterol Sulfate3725
Amitriptyline HclAmitriptyline Hcl37suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium37suppressed
CarvedilolCarvedilol3611
Diclofenac Sodium ErDiclofenac Sodium3613
Buspirone HclBuspirone Hcl34suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol34suppressed
SpironolactoneSpironolactone33suppressed
Memantine HclMemantine Hcl29suppressed
FinasterideFinasteride28suppressed
AzithromycinAzithromycin2726
JardianceEmpagliflozin27suppressed
AllopurinolAllopurinol26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2612
CelecoxibCelecoxib25suppressed
Oxybutynin ChlorideOxybutynin Chloride25suppressed
ClonazepamClonazepam23suppressed
Clonidine HclClonidine Hcl23suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
Potassium ChloridePotassium Chloride2311
Diclofenac SodiumDiclofenac Sodium22suppressed
FentanylFentanyl22suppressed
JantovenWarfarin Sodium21suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl20suppressed
FenofibrateFenofibrate Nanocrystallized20suppressed
Klor-Con M20Potassium Chloride20suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2017
CephalexinCephalexin1916
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen19suppressed
LorazepamLorazepam19suppressed
Pravastatin SodiumPravastatin Sodium19suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1815
ValacyclovirValacyclovir Hcl18suppressed
Doxycycline HyclateDoxycycline Hyclate1716
OzempicSemaglutide17suppressed
ValsartanValsartan17suppressed
GlipizideGlipizide16suppressed
Ondansetron HclOndansetron Hcl16suppressed
Propranolol HclPropranolol Hcl15suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip14suppressed
Oxybutynin Chloride ErOxybutynin Chloride14suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf1411
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril13suppressed
Doxazosin MesylateDoxazosin Mesylate13suppressed
PaxlovidNirmatrelvir/Ritonavir1313
TrintellixVortioxetine Hydrobromide13suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf1212
CefdinirCefdinir12suppressed
FarxigaDapagliflozin Propanediol12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Venlafaxine Hcl ErVenlafaxine Hcl12suppressed
FenofibrateFenofibrate11suppressed
FluconazoleFluconazole11suppressed
Ibandronate SodiumIbandronate Sodium11suppressed
OlanzapineOlanzapine11suppressed
Pyridostigmine BromidePyridostigmine 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