Healthcare provider profile · identity verified

Christopher A Zablocki, MD

Family Practice · MANITOWOC, WI · NPI 1871156349

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 Calcium30786
Amlodipine BesylateAmlodipine Besylate23474
LisinoprilLisinopril20262
Rosuvastatin CalciumRosuvastatin Calcium17958
Losartan PotassiumLosartan Potassium15846
Tamsulosin HclTamsulosin Hcl15445
Levothyroxine SodiumLevothyroxine Sodium15237
Pantoprazole SodiumPantoprazole Sodium13838
FurosemideFurosemide13536
Metoprolol SuccinateMetoprolol Succinate13231
HydrochlorothiazideHydrochlorothiazide12138
EliquisApixaban11720
OmeprazoleOmeprazole11446
MeloxicamMeloxicam10843
Metformin Hcl ErMetformin Hcl10328
TelmisartanTelmisartan9127
Albuterol Sulfate HfaAlbuterol Sulfate8839
Metformin HclMetformin Hcl8825
GabapentinGabapentin8233
PregabalinPregabalin8119
Duloxetine HclDuloxetine Hcl8023
MirtazapineMirtazapine7526
SimvastatinSimvastatin7517
Lantus SolostarInsulin Glargine,hum.Rec.Anlog7319
Warfarin SodiumWarfarin Sodium7216
Pravastatin SodiumPravastatin Sodium7020
PrednisonePrednisone7052
IndapamideIndapamide6723
Cyclobenzaprine HclCyclobenzaprine Hcl6424
Tizanidine HclTizanidine Hcl5930
Fluticasone PropionateFluticasone Propionate5726
Metoprolol TartrateMetoprolol Tartrate5621
JardianceEmpagliflozin5519
SpironolactoneSpironolactone5521
Fluoxetine HclFluoxetine Hcl5412
Sertraline HclSertraline Hcl5116
AllopurinolAllopurinol4919
Donepezil HclDonepezil Hcl4713
ClopidogrelClopidogrel Bisulfate4513
Oxybutynin Chloride ErOxybutynin Chloride4313
Triamcinolone AcetonideTriamcinolone Acetonide4327
Quetiapine FumarateQuetiapine Fumarate3911
Trazodone HclTrazodone Hcl39suppressed
Breo ElliptaFluticasone/Vilanterol38suppressed
Alendronate SodiumAlendronate Sodium37suppressed
Amitriptyline HclAmitriptyline Hcl3711
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3714
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3527
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide35suppressed
FinasterideFinasteride33suppressed
Escitalopram OxalateEscitalopram Oxalate3212
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr31suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3114
TopiramateTopiramate31suppressed
AtenololAtenolol3011
Citalopram HbrCitalopram Hydrobromide3011
Diclofenac SodiumDiclofenac Sodium3015
Hydroxyzine HclHydroxyzine Hcl30suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl29suppressed
Tramadol HclTramadol Hcl2914
Trelegy ElliptaFluticasone/Umeclidin/Vilanter29suppressed
CelecoxibCelecoxib27suppressed
Propranolol Hcl ErPropranolol Hcl27suppressed
AlprazolamAlprazolam26suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2625
Pramipexole DihydrochloridePramipexole Di-Hcl26suppressed
ClonazepamClonazepam25suppressed
CarvedilolCarvedilol24suppressed
GlimepirideGlimepiride2413
GlipizideGlipizide24suppressed
Potassium ChloridePotassium Chloride24suppressed
AripiprazoleAripiprazole23suppressed
EntrestoSacubitril/Valsartan23suppressed
Nortriptyline HclNortriptyline Hcl23suppressed
Pioglitazone HclPioglitazone Hcl23suppressed
Acetaminophen-CodeineAcetaminophen With Codeine22suppressed
Bupropion Hcl SrBupropion Hcl2211
Divalproex SodiumDivalproex Sodium22suppressed
Montelukast SodiumMontelukast Sodium22suppressed
BaclofenBaclofen21suppressed
FamotidineFamotidine21suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol21suppressed
SymbicortBudesonide/Formoterol Fumarate21suppressed
Clonidine HclClonidine Hcl20suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl20suppressed
Ipratropium BromideIpratropium Bromide2013
Wixela InhubFluticasone Propion/Salmeterol20suppressed
Glipizide ErGlipizide19suppressed
JanuviaSitagliptin Phosphate19suppressed
MounjaroTirzepatide19suppressed
Ondansetron OdtOndansetron19suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen19suppressed
TrulicityDulaglutide19suppressed
AzithromycinAzithromycin1816
Doxycycline MonohydrateDoxycycline Monohydrate1812
Propranolol HclPropranolol Hcl18suppressed
Quetiapine Fumarate ErQuetiapine Fumarate18suppressed
AptiomEslicarbazepine Acetate17suppressed
MyrbetriqMirabegron17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
ClonidineClonidine16suppressed
LantusInsulin Glargine,hum.Rec.Anlog16suppressed
ChlorthalidoneChlorthalidone15suppressed
Doxycycline HyclateDoxycycline Hyclate1514
FenofibrateFenofibrate Nanocrystallized15suppressed
Humulin RInsulin Regular, Human15suppressed
Ondansetron HclOndansetron Hcl1512
Solifenacin SuccinateSolifenacin Succinate15suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro14suppressed
Sildenafil CitrateSildenafil Citrate14suppressed
TestosteroneTestosterone14suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
LorazepamLorazepam12suppressed
OzempicSemaglutide12suppressed
XifaxanRifaximin12suppressed
Benazepril HclBenazepril Hcl11suppressed
BumetanideBumetanide11suppressed
BuprenorphineBuprenorphine11suppressed
EszopicloneEszopiclone11suppressed
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm11suppressed
Humulin NInsulin Nph Human Isophane11suppressed
Memantine HclMemantine Hcl11suppressed
Naltrexone HclNaltrexone Hcl11suppressed
OlanzapineOlanzapine11suppressed
Prazosin HclPrazosin Hcl11suppressed
RivastigmineRivastigmine Tartrate11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed

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