Healthcare provider profile · identity verified

Randi Lynn Vanocker, DO

Family Practice · GREENVILLE, MI · NPI 1396180337

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 Calcium26380
Levothyroxine SodiumLevothyroxine Sodium20860
OmeprazoleOmeprazole10233
Amlodipine BesylateAmlodipine Besylate10134
Losartan PotassiumLosartan Potassium10034
TopiramateTopiramate10028
GabapentinGabapentin9936
HydrochlorothiazideHydrochlorothiazide9630
LisinoprilLisinopril9534
Pantoprazole SodiumPantoprazole Sodium8422
MounjaroTirzepatide8221
Bupropion XlBupropion Hcl8122
Metoprolol SuccinateMetoprolol Succinate7823
Rosuvastatin CalciumRosuvastatin Calcium7726
Metformin HclMetformin Hcl7520
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5916
Montelukast SodiumMontelukast Sodium5817
Metformin Hcl ErMetformin Hcl5619
Albuterol Sulfate HfaAlbuterol Sulfate5522
TrulicityDulaglutide5313
Tamsulosin HclTamsulosin Hcl5015
Alendronate SodiumAlendronate Sodium4717
Escitalopram OxalateEscitalopram Oxalate4714
Duloxetine HclDuloxetine Hcl4515
MeloxicamMeloxicam4514
Cyclobenzaprine HclCyclobenzaprine Hcl4118
FurosemideFurosemide4113
Glipizide ErGlipizide4111
JardianceEmpagliflozin4115
Sertraline HclSertraline Hcl4115
Pravastatin SodiumPravastatin Sodium39suppressed
OzempicSemaglutide38suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3611
SpironolactoneSpironolactone35suppressed
Fluticasone PropionateFluticasone Propionate3415
Trelegy ElliptaFluticasone/Umeclidin/Vilanter3411
Venlafaxine Hcl ErVenlafaxine Hcl32suppressed
Buspirone HclBuspirone Hcl31suppressed
EliquisApixaban31suppressed
SimvastatinSimvastatin31suppressed
FamotidineFamotidine30suppressed
PregabalinPregabalin2913
Metoprolol TartrateMetoprolol Tartrate2813
Citalopram HbrCitalopram Hydrobromide27suppressed
Fluoxetine HclFluoxetine Hcl27suppressed
Trazodone HclTrazodone Hcl25suppressed
AtenololAtenolol24suppressed
Potassium ChloridePotassium Chloride24suppressed
JanuviaSitagliptin Phosphate23suppressed
Oxybutynin Chloride ErOxybutynin Chloride23suppressed
Pioglitazone HclPioglitazone Hcl23suppressed
FinasterideFinasteride22suppressed
AlprazolamAlprazolam21suppressed
GlimepirideGlimepiride21suppressed
MethocarbamolMethocarbamol21suppressed
Paroxetine HclParoxetine Hcl21suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol20suppressed
Hydroxyzine HclHydroxyzine Hcl2011
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid20suppressed
CarvedilolCarvedilol19suppressed
IbuprofenIbuprofen19suppressed
Ipratropium BromideIpratropium Bromide19suppressed
PrednisonePrednisone1916
SublocadeBuprenorphine19suppressed
Diclofenac SodiumDiclofenac Sodium18suppressed
EzetimibeEzetimibe18suppressed
Hydralazine HclHydralazine Hcl18suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog18suppressed
Tizanidine HclTizanidine Hcl17suppressed
WegovySemaglutide17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
GlipizideGlipizide16suppressed
Naltrexone HclNaltrexone Hcl16suppressed
Spiriva RespimatTiotropium Bromide16suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic16suppressed
Olmesartan MedoxomilOlmesartan Medoxomil15suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen15suppressed
Tramadol HclTramadol Hcl15suppressed
ValacyclovirValacyclovir Hcl15suppressed
Zolpidem TartrateZolpidem Tartrate15suppressed
FarxigaDapagliflozin Propanediol14suppressed
AllopurinolAllopurinol13suppressed
LamotrigineLamotrigine13suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate12suppressed
EpinephrineEpinephrine12suppressed
Guanfacine HclGuanfacine Hcl12suppressed
LoperamideLoperamide Hcl12suppressed
NaproxenNaproxen12suppressed
Benazepril HclBenazepril Hcl11suppressed
ChlorthalidoneChlorthalidone11suppressed
Solifenacin SuccinateSolifenacin Succinate11suppressed

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