Healthcare provider profile · identity verified

Caleb Thiel, M.D.

Internal Medicine · GRAND RAPIDS, MI · NPI 1023499977

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 Calcium23861
Amlodipine BesylateAmlodipine Besylate21051
GabapentinGabapentin13730
OmeprazoleOmeprazole12428
LisinoprilLisinopril11840
Levothyroxine SodiumLevothyroxine Sodium10819
Metformin HclMetformin Hcl10229
Metoprolol SuccinateMetoprolol Succinate8917
Tamsulosin HclTamsulosin Hcl7921
Losartan PotassiumLosartan Potassium7521
Escitalopram OxalateEscitalopram Oxalate72suppressed
HydrochlorothiazideHydrochlorothiazide7220
Albuterol Sulfate HfaAlbuterol Sulfate7028
FurosemideFurosemide7014
CarvedilolCarvedilol6516
ClonazepamClonazepam57suppressed
Rosuvastatin CalciumRosuvastatin Calcium5316
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide46suppressed
GlimepirideGlimepiride4412
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide44suppressed
Pravastatin SodiumPravastatin Sodium42suppressed
Trazodone HclTrazodone Hcl4214
EliquisApixaban41suppressed
Metformin Hcl ErMetformin Hcl4013
Pantoprazole SodiumPantoprazole Sodium4013
JardianceEmpagliflozin38suppressed
Bupropion XlBupropion Hcl36suppressed
OzempicSemaglutide35suppressed
Breo ElliptaFluticasone/Vilanterol34suppressed
Sertraline HclSertraline Hcl33suppressed
Montelukast SodiumMontelukast Sodium3211
Quetiapine FumarateQuetiapine Fumarate32suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog31suppressed
FamotidineFamotidine30suppressed
JanuviaSitagliptin Phosphate30suppressed
Ropinirole HclRopinirole Hcl30suppressed
AllopurinolAllopurinol29suppressed
PrednisonePrednisone2824
Alendronate SodiumAlendronate Sodium27suppressed
Dicyclomine HclDicyclomine Hcl26suppressed
Duloxetine HclDuloxetine Hcl25suppressed
AtenololAtenolol23suppressed
CephalexinCephalexin2317
Cyclobenzaprine HclCyclobenzaprine Hcl2316
Metoprolol TartrateMetoprolol Tartrate23suppressed
Potassium ChloridePotassium Chloride23suppressed
AlprazolamAlprazolam22suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2221
Citalopram HbrCitalopram Hydrobromide22suppressed
ClopidogrelClopidogrel Bisulfate22suppressed
Oxybutynin ChlorideOxybutynin Chloride21suppressed
PregabalinPregabalin21suppressed
MeloxicamMeloxicam20suppressed
SpironolactoneSpironolactone19suppressed
FinasterideFinasteride18suppressed
NaproxenNaproxen18suppressed
Ondansetron HclOndansetron Hcl18suppressed
AzithromycinAzithromycin1715
Fluticasone PropionateFluticasone Propionate1711
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
Mometasone FuroateMometasone Furoate17suppressed
Tramadol HclTramadol Hcl17suppressed
Clonidine HclClonidine Hcl16suppressed
Fluoxetine HclFluoxetine Hcl16suppressed
GlipizideGlipizide16suppressed
HydrocortisoneHydrocortisone16suppressed
MounjaroTirzepatide16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
Acetaminophen-CodeineAcetaminophen With Codeine15suppressed
Klor-Con M20Potassium Chloride15suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1514
Hydralazine HclHydralazine Hcl14suppressed
SynthroidLevothyroxine Sodium14suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog13suppressed
Diltiazem HclDiltiazem Hcl13suppressed
FarxigaDapagliflozin Propanediol13suppressed
Tresiba Flextouch U-100Insulin Degludec13suppressed
Nifedipine ErNifedipine12suppressed
OlanzapineOlanzapine12suppressed
Promethazine HclPromethazine Hcl12suppressed
ChlorthalidoneChlorthalidone11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
Galantamine ErGalantamine Hbr11suppressed
LidocaineLidocaine11suppressed

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