Healthcare provider profile · identity verified

Jonathan D Zonca, MD

Family Practice · DENVER, CO · NPI 1396850277

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 Calcium426135
Levothyroxine SodiumLevothyroxine Sodium25066
LisinoprilLisinopril23075
Rosuvastatin CalciumRosuvastatin Calcium23072
Losartan PotassiumLosartan Potassium19054
HydrochlorothiazideHydrochlorothiazide18657
Amlodipine BesylateAmlodipine Besylate18554
EliquisApixaban9723
OmeprazoleOmeprazole9736
Pantoprazole SodiumPantoprazole Sodium9136
Metformin Hcl ErMetformin Hcl8828
SimvastatinSimvastatin8827
Tamsulosin HclTamsulosin Hcl8837
Metformin HclMetformin Hcl8428
GabapentinGabapentin8230
Trazodone HclTrazodone Hcl7425
Alendronate SodiumAlendronate Sodium6820
Metoprolol SuccinateMetoprolol Succinate6723
Escitalopram OxalateEscitalopram Oxalate6218
MounjaroTirzepatide56suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl5318
AllopurinolAllopurinol4915
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4914
Albuterol Sulfate HfaAlbuterol Sulfate4715
TrulicityDulaglutide46suppressed
AlprazolamAlprazolam45suppressed
CarvedilolCarvedilol4514
ClopidogrelClopidogrel Bisulfate4414
Metoprolol TartrateMetoprolol Tartrate4314
LorazepamLorazepam42suppressed
Olmesartan MedoxomilOlmesartan Medoxomil4111
Sertraline HclSertraline Hcl4113
FinasterideFinasteride4014
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3913
Montelukast SodiumMontelukast Sodium3811
Fluoxetine HclFluoxetine Hcl37suppressed
FurosemideFurosemide37suppressed
JardianceEmpagliflozin33suppressed
SpironolactoneSpironolactone3311
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid30suppressed
FamotidineFamotidine29suppressed
PrednisonePrednisone2920
Duloxetine HclDuloxetine Hcl28suppressed
Pravastatin SodiumPravastatin Sodium28suppressed
Zolpidem TartrateZolpidem Tartrate28suppressed
EzetimibeEzetimibe27suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2716
Fluticasone-SalmeterolFluticasone Propion/Salmeterol2611
Tramadol HclTramadol Hcl26suppressed
Propranolol Hcl ErPropranolol Hcl25suppressed
XareltoRivaroxaban24suppressed
DiazepamDiazepam22suppressed
Potassium ChloridePotassium Chloride22suppressed
TestosteroneTestosterone22suppressed
Tizanidine HclTizanidine Hcl22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
OzempicSemaglutide21suppressed
SynthroidLevothyroxine Sodium21suppressed
AripiprazoleAripiprazole18suppressed
DutasterideDutasteride18suppressed
Fluticasone PropionateFluticasone Propionate18suppressed
AcyclovirAcyclovir17suppressed
AmoxicillinAmoxicillin1712
Citalopram HbrCitalopram Hydrobromide17suppressed
Donepezil HclDonepezil Hcl17suppressed
FenofibrateFenofibrate17suppressed
GlipizideGlipizide17suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide17suppressed
Pioglitazone HclPioglitazone Hcl17suppressed
Bupropion XlBupropion Hcl16suppressed
Glipizide ErGlipizide16suppressed
MeloxicamMeloxicam16suppressed
Amitriptyline HclAmitriptyline Hcl15suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac1515
Calcitonin-SalmonCalcitonin,salmon,synthetic15suppressed
Nebivolol HclNebivolol Hcl15suppressed
MethimazoleMethimazole14suppressed
CalcitriolCalcitriol13suppressed
CelecoxibCelecoxib13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
FarxigaDapagliflozin Propanediol13suppressed
LovastatinLovastatin13suppressed
SymbicortBudesonide/Formoterol Fumarate13suppressed
Vitamin D2Ergocalciferol (Vitamin D2)13suppressed
Doxycycline HyclateDoxycycline Hyclate12suppressed
Hydralazine HclHydralazine Hcl12suppressed
Liothyronine SodiumLiothyronine Sodium12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
Testosterone CypionateTestosterone Cypionate12suppressed
Isosorbide DinitrateIsosorbide Dinitrate11suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter11suppressed

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