Healthcare provider profile · identity verified

Nathaniel Fleischer

Family Practice · GROVE CITY, OH · NPI 1063973352

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 Calcium332157
Losartan PotassiumLosartan Potassium17988
Amlodipine BesylateAmlodipine Besylate17673
Rosuvastatin CalciumRosuvastatin Calcium16469
Levothyroxine SodiumLevothyroxine Sodium13961
LisinoprilLisinopril11253
OmeprazoleOmeprazole8648
Metformin HclMetformin Hcl8543
Tamsulosin HclTamsulosin Hcl8543
AtenololAtenolol7729
GlipizideGlipizide7536
Metformin Hcl ErMetformin Hcl7533
Albuterol Sulfate HfaAlbuterol Sulfate6942
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6833
Metoprolol TartrateMetoprolol Tartrate6633
HydrochlorothiazideHydrochlorothiazide6029
NaproxenNaproxen6047
Alendronate SodiumAlendronate Sodium5719
MeloxicamMeloxicam5726
Potassium ChloridePotassium Chloride5430
Humulin NInsulin Nph Human Isophane4821
FurosemideFurosemide4729
PradaxaDabigatran Etexilate Mesylate4715
Trazodone HclTrazodone Hcl4724
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen4615
SimvastatinSimvastatin4625
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4430
GabapentinGabapentin4226
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4217
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml4219
PrednisonePrednisone4139
AllopurinolAllopurinol3816
Triamcinolone AcetonideTriamcinolone Acetonide3723
OzempicSemaglutide3612
JardianceEmpagliflozin3419
Pantoprazole SodiumPantoprazole Sodium2816
Fluoxetine HclFluoxetine Hcl27suppressed
MirtazapineMirtazapine2716
ClopidogrelClopidogrel Bisulfate2614
Tramadol HclTramadol Hcl2612
EzetimibeEzetimibe2414
Azelastine HclAzelastine Hcl23suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2221
IbuprofenIbuprofen2215
AcyclovirAcyclovir21suppressed
CefadroxilCefadroxil2121
Hydralazine HclHydralazine Hcl2012
SpironolactoneSpironolactone2011
Doxycycline MonohydrateDoxycycline Monohydrate1918
Donepezil HclDonepezil Hcl18suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn18suppressed
Montelukast SodiumMontelukast Sodium18suppressed
CarvedilolCarvedilol17suppressed
Chlorhexidine GluconateChlorhexidine Gluconate17suppressed
Fluticasone PropionateFluticasone Propionate16suppressed
Metoprolol SuccinateMetoprolol Succinate16suppressed
Oxycodone HclOxycodone Hcl16suppressed
Wixela InhubFluticasone Propion/Salmeterol16suppressed
Citalopram HbrCitalopram Hydrobromide15suppressed
Humulin RInsulin Regular, Human15suppressed
Sertraline HclSertraline Hcl15suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1414
Propranolol HclPropranolol Hcl14suppressed
AzithromycinAzithromycin1313
FenofibrateFenofibrate13suppressed
HydrocortisoneHydrocortisone13suppressed
Terazosin HclTerazosin Hcl13suppressed
AmoxicillinAmoxicillin1212
FinasterideFinasteride12suppressed
MetronidazoleMetronidazole12suppressed
HumalogInsulin Lispro11suppressed
KetoconazoleKetoconazole11suppressed
Pioglitazone HclPioglitazone Hcl11suppressed
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