Healthcare provider profile · identity verified

John W Fisk, MD

Family Practice · LEBANON, TN · NPI 1790708097

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 Calcium14236
Amlodipine BesylateAmlodipine Besylate8622
OmeprazoleOmeprazole8022
Levothyroxine SodiumLevothyroxine Sodium7819
FurosemideFurosemide6914
Trazodone HclTrazodone Hcl67suppressed
LisinoprilLisinopril6116
GabapentinGabapentin5212
Metoprolol SuccinateMetoprolol Succinate5111
Albuterol Sulfate HfaAlbuterol Sulfate4512
Losartan PotassiumLosartan Potassium4321
RisperidoneRisperidone43suppressed
Hydralazine HclHydralazine Hcl42suppressed
Sertraline HclSertraline Hcl41suppressed
ClopidogrelClopidogrel Bisulfate40suppressed
Pantoprazole SodiumPantoprazole Sodium39suppressed
Bupropion XlBupropion Hcl34suppressed
Rosuvastatin CalciumRosuvastatin Calcium34suppressed
SimvastatinSimvastatin34suppressed
CarvedilolCarvedilol30suppressed
Pravastatin SodiumPravastatin Sodium30suppressed
MyrbetriqMirabegron29suppressed
Tamsulosin HclTamsulosin Hcl2814
MirtazapineMirtazapine25suppressed
Montelukast SodiumMontelukast Sodium25suppressed
Nifedipine ErNifedipine25suppressed
SpironolactoneSpironolactone25suppressed
FarxigaDapagliflozin Propanediol24suppressed
FamotidineFamotidine23suppressed
MeloxicamMeloxicam23suppressed
BaclofenBaclofen22suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen22suppressed
Metoprolol TartrateMetoprolol Tartrate22suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid22suppressed
Escitalopram OxalateEscitalopram Oxalate21suppressed
Fluticasone PropionateFluticasone Propionate2111
AllopurinolAllopurinol20suppressed
Ropinirole HclRopinirole Hcl20suppressed
SymbicortBudesonide/Formoterol Fumarate20suppressed
Benztropine MesylateBenztropine Mesylate19suppressed
LovastatinLovastatin18suppressed
Memantine HclMemantine Hcl18suppressed
OzempicSemaglutide18suppressed
Potassium ChloridePotassium Chloride18suppressed
LevetiracetamLevetiracetam17suppressed
Citalopram HbrCitalopram Hydrobromide16suppressed
Clonidine HclClonidine Hcl16suppressed
Metformin HclMetformin Hcl16suppressed
Ondansetron HclOndansetron Hcl16suppressed
AripiprazoleAripiprazole14suppressed
LamotrigineLamotrigine14suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol13suppressed
Divalproex SodiumDivalproex Sodium13suppressed
EliquisApixaban13suppressed
GemtesaVibegron13suppressed
Metformin Hcl ErMetformin Hcl13suppressed
Tizanidine HclTizanidine Hcl13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
Cyproheptadine HclCyproheptadine Hcl12suppressed
Dicyclomine HclDicyclomine Hcl12suppressed
Doxepin HclDoxepin Hcl12suppressed
LinzessLinaclotide12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
Fluoxetine HclFluoxetine Hcl11suppressed
HaloperidolHaloperidol11suppressed
Haloperidol DecanoateHaloperidol Decanoate11suppressed
HydrochlorothiazideHydrochlorothiazide11suppressed
PrednisonePrednisone11suppressed

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