Healthcare provider profile · identity verified

John Patrick Ockenfels, D.O.

Family Practice · SAULT SAINTE MARIE, MI · NPI 1457353633

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
OmeprazoleOmeprazole35775
Atorvastatin CalciumAtorvastatin Calcium24045
Levothyroxine SodiumLevothyroxine Sodium18441
GabapentinGabapentin17134
Losartan PotassiumLosartan Potassium14935
Amlodipine BesylateAmlodipine Besylate14634
Duloxetine HclDuloxetine Hcl13526
Metoprolol SuccinateMetoprolol Succinate13333
LisinoprilLisinopril13134
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12725
Metformin HclMetformin Hcl12626
FurosemideFurosemide11126
SimvastatinSimvastatin10724
MeloxicamMeloxicam10625
Rosuvastatin CalciumRosuvastatin Calcium10325
Tamsulosin HclTamsulosin Hcl10322
Tramadol HclTramadol Hcl9020
Albuterol Sulfate HfaAlbuterol Sulfate8126
Buspirone HclBuspirone Hcl7914
Olmesartan MedoxomilOlmesartan Medoxomil7816
EliquisApixaban7216
ClopidogrelClopidogrel Bisulfate7116
LorazepamLorazepam6717
Metoprolol TartrateMetoprolol Tartrate6616
AlprazolamAlprazolam6312
Potassium ChloridePotassium Chloride6016
BaclofenBaclofen5711
Warfarin SodiumWarfarin Sodium56suppressed
Montelukast SodiumMontelukast Sodium5515
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen5414
Sertraline HclSertraline Hcl49suppressed
PregabalinPregabalin4811
SpironolactoneSpironolactone4812
HydrochlorothiazideHydrochlorothiazide4711
MirtazapineMirtazapine47suppressed
Pantoprazole SodiumPantoprazole Sodium4712
Bupropion XlBupropion Hcl45suppressed
Fluticasone PropionateFluticasone Propionate4512
FamotidineFamotidine4411
Trazodone HclTrazodone Hcl44suppressed
CarvedilolCarvedilol4212
Venlafaxine Hcl ErVenlafaxine Hcl41suppressed
Diclofenac SodiumDiclofenac Sodium40suppressed
Fluoxetine HclFluoxetine Hcl4011
Morphine Sulfate ErMorphine Sulfate40suppressed
OxycontinOxycodone Hcl40suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium39suppressed
Metformin Hcl ErMetformin Hcl39suppressed
PrednisonePrednisone3920
AllopurinolAllopurinol3811
ChlorthalidoneChlorthalidone38suppressed
Escitalopram OxalateEscitalopram Oxalate38suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate37suppressed
EstradiolEstradiol37suppressed
Pravastatin SodiumPravastatin Sodium37suppressed
FinasterideFinasteride36suppressed
CephalexinCephalexin3412
Donepezil HclDonepezil Hcl34suppressed
RisperidoneRisperidone31suppressed
IrbesartanIrbesartan30suppressed
JardianceEmpagliflozin29suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl29suppressed
Citalopram HbrCitalopram Hydrobromide28suppressed
Ondansetron HclOndansetron Hcl27suppressed
AzithromycinAzithromycin2616
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide26suppressed
Ropinirole HclRopinirole Hcl26suppressed
TelmisartanTelmisartan26suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril25suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide25suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate25suppressed
ClonidineClonidine24suppressed
Ondansetron OdtOndansetron2412
AtenololAtenolol23suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl23suppressed
DiazepamDiazepam23suppressed
NaproxenNaproxen23suppressed
ValsartanValsartan23suppressed
Zolpidem TartrateZolpidem Tartrate23suppressed
ArmodafinilArmodafinil22suppressed
Bisoprolol FumarateBisoprolol Fumarate22suppressed
PhenobarbitalPhenobarbital22suppressed
FarxigaDapagliflozin Propanediol21suppressed
LevetiracetamLevetiracetam21suppressed
Oxybutynin Chloride ErOxybutynin Chloride21suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid21suppressed
Breo ElliptaFluticasone/Vilanterol20suppressed
FluconazoleFluconazole20suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter20suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl19suppressed
IbuprofenIbuprofen19suppressed
Benazepril HclBenazepril Hcl18suppressed
BuprenorphineBuprenorphine18suppressed
TopiramateTopiramate18suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide18suppressed
CeftriaxoneCeftriaxone Sodium17suppressed
JanuviaSitagliptin Phosphate17suppressed
Nebivolol HclNebivolol Hcl17suppressed
Cosentyx Sensoready (2 Pens)Secukinumab16suppressed
GlimepirideGlimepiride16suppressed
GlyburideGlyburide16suppressed
Glyburide MicronizedGlyburide,micronized16suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog16suppressed
NitroglycerinNitroglycerin16suppressed
OlanzapineOlanzapine16suppressed
Paroxetine HclParoxetine Hcl16suppressed
CaptoprilCaptopril15suppressed
ClonazepamClonazepam15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
Morphine SulfateMorphine Sulfate15suppressed
XareltoRivaroxaban15suppressed
FentanylFentanyl14suppressed
Wixela InhubFluticasone Propion/Salmeterol14suppressed
CelecoxibCelecoxib13suppressed
Clonidine HclClonidine Hcl13suppressed
DutasterideDutasteride13suppressed
EntrestoSacubitril/Valsartan13suppressed
GlipizideGlipizide13suppressed
Incruse ElliptaUmeclidinium Bromide13suppressed
Janumet XrSitagliptin Phos/Metformin Hcl13suppressed
LevofloxacinLevofloxacin13suppressed
NystatinNystatin13suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide13suppressed
TadalafilTadalafil13suppressed
TorsemideTorsemide13suppressed
ValacyclovirValacyclovir Hcl13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
AripiprazoleAripiprazole12suppressed
Divalproex SodiumDivalproex Sodium12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
JanumetSitagliptin Phos/Metformin Hcl12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
Tolterodine Tartrate ErTolterodine Tartrate12suppressed
Venlafaxine HclVenlafaxine Hcl12suppressed
Candesartan CilexetilCandesartan Cilexetil11suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine11suppressed
Hydromorphone HclHydromorphone Hcl11suppressed
Labetalol HclLabetalol Hcl11suppressed
Methadone HclMethadone Hcl11suppressed
Methylphenidate ErMethylphenidate Hcl11suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended11suppressed
SavellaMilnacipran Hcl11suppressed
Ventolin HfaAlbuterol Sulfate11suppressed

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