Healthcare provider profile · identity verified

Clinton Thomas Cummings, D.O.

Family Practice · MANCHESTER, IA · NPI 1083908263

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 Calcium40294
LisinoprilLisinopril24156
Amlodipine BesylateAmlodipine Besylate21154
OmeprazoleOmeprazole18844
HydrochlorothiazideHydrochlorothiazide14637
Metoprolol SuccinateMetoprolol Succinate14437
Losartan PotassiumLosartan Potassium13634
Pantoprazole SodiumPantoprazole Sodium13431
Metformin HclMetformin Hcl13128
Levothyroxine SodiumLevothyroxine Sodium11423
FurosemideFurosemide10834
Tamsulosin HclTamsulosin Hcl10728
GabapentinGabapentin9120
AllopurinolAllopurinol9017
Potassium ChloridePotassium Chloride8825
EliquisApixaban8016
FamotidineFamotidine7315
ArexvyRsvpref3 Antigen/As01e/Pf6867
GlimepirideGlimepiride6518
Lantus SolostarInsulin Glargine,hum.Rec.Anlog6014
Zolpidem TartrateZolpidem Tartrate60suppressed
FinasterideFinasteride5913
Alendronate SodiumAlendronate Sodium5513
JardianceEmpagliflozin53suppressed
Pravastatin SodiumPravastatin Sodium5313
Sertraline HclSertraline Hcl5215
Warfarin SodiumWarfarin Sodium51suppressed
AtenololAtenolol49suppressed
LorazepamLorazepam4711
Metoprolol TartrateMetoprolol Tartrate4713
Rosuvastatin CalciumRosuvastatin Calcium4712
ClopidogrelClopidogrel Bisulfate44suppressed
Citalopram HbrCitalopram Hydrobromide42suppressed
Escitalopram OxalateEscitalopram Oxalate42suppressed
XareltoRivaroxaban42suppressed
PrednisonePrednisone4021
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide39suppressed
Metformin Hcl ErMetformin Hcl39suppressed
Trazodone HclTrazodone Hcl3811
Doxycycline HyclateDoxycycline Hyclate3615
OzempicSemaglutide36suppressed
Duloxetine HclDuloxetine Hcl34suppressed
ClonazepamClonazepam33suppressed
Pioglitazone HclPioglitazone Hcl33suppressed
Ropinirole HclRopinirole Hcl33suppressed
SimvastatinSimvastatin32suppressed
EzetimibeEzetimibe30suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog28suppressed
JanuviaSitagliptin Phosphate28suppressed
CephalexinCephalexin27suppressed
FarxigaDapagliflozin Propanediol27suppressed
Bupropion XlBupropion Hcl25suppressed
CarvedilolCarvedilol25suppressed
MirtazapineMirtazapine25suppressed
SucralfateSucralfate25suppressed
Humalog Kwikpen U-100Insulin Lispro24suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2312
Hydralazine HclHydralazine Hcl23suppressed
Hydroxyzine HclHydroxyzine Hcl23suppressed
Novolog FlexpenInsulin Aspart23suppressed
PrimidonePrimidone23suppressed
NystatinNystatin2211
Boostrix TdapDiphth,pertuss(Acell),tet Vac2121
Propranolol Hcl ErPropranolol Hcl21suppressed
Propranolol HclPropranolol Hcl20suppressed
FenofibrateFenofibrate18suppressed
Sumatriptan SuccinateSumatriptan Succinate18suppressed
AzithromycinAzithromycin1714
Fiasp FlextouchInsulin Aspart (Niacinamide)17suppressed
Fluticasone PropionateFluticasone Propionate17suppressed
InvokanaCanagliflozin17suppressed
PhenobarbitalPhenobarbital17suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf1612
Tramadol HclTramadol Hcl16suppressed
LatanoprostLatanoprost15suppressed
LovastatinLovastatin15suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl15suppressed
Terazosin HclTerazosin Hcl15suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1414
Incruse ElliptaUmeclidinium Bromide14suppressed
LevetiracetamLevetiracetam14suppressed
MupirocinMupirocin1411
Triamcinolone AcetonideTriamcinolone Acetonide14suppressed
LinzessLinaclotide13suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic13suppressed
Ondansetron OdtOndansetron13suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr12suppressed
CefdinirCefdinir1212
Dabigatran EtexilateDabigatran Etexilate Mesylate12suppressed
Divalproex Sodium ErDivalproex Sodium12suppressed
Lamotrigine OdtLamotrigine12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
MounjaroTirzepatide12suppressed
Nebivolol HclNebivolol Hcl12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended12suppressed
Quetiapine FumarateQuetiapine Fumarate12suppressed
Spiriva HandihalerTiotropium Bromide12suppressed
SpironolactoneSpironolactone12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim12suppressed
CiclopiroxCiclopirox Olamine11suppressed
ClonidineClonidine11suppressed
IbuIbuprofen11suppressed

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