Healthcare provider profile · identity verified

John J Mahon, M.D.

Family Practice · LENEXA, KS · NPI 1154344752

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

Brand	Generic	Claims	Beneficiaries
Atorvastatin Calcium	Atorvastatin Calcium	553	170
Lisinopril	Lisinopril	440	136
Amlodipine Besylate	Amlodipine Besylate	373	114
Alendronate Sodium	Alendronate Sodium	332	99
Metoprolol Succinate	Metoprolol Succinate	303	85
Levothyroxine Sodium	Levothyroxine Sodium	302	91
Tamsulosin Hcl	Tamsulosin Hcl	239	70
Omeprazole	Omeprazole	224	66
Gabapentin	Gabapentin	222	69
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	222	55
Metformin Hcl	Metformin Hcl	210	66
Hydrochlorothiazide	Hydrochlorothiazide	199	63
Irbesartan	Irbesartan	196	55
Pantoprazole Sodium	Pantoprazole Sodium	184	54
Rosuvastatin Calcium	Rosuvastatin Calcium	174	54
Albuterol Sulfate Hfa	Albuterol Sulfate	166	45
Alprazolam	Alprazolam	148	27
Simvastatin	Simvastatin	134	40
Losartan Potassium	Losartan Potassium	133	43
Furosemide	Furosemide	128	45
Montelukast Sodium	Montelukast Sodium	124	34
Potassium Chloride	Potassium Chloride	124	38
Sertraline Hcl	Sertraline Hcl	124	31
Trazodone Hcl	Trazodone Hcl	120	37
Donepezil Hcl	Donepezil Hcl	115	34
Zolpidem Tartrate	Zolpidem Tartrate	115	32
Allopurinol	Allopurinol	111	33
Famotidine	Famotidine	110	37
Tramadol Hcl	Tramadol Hcl	107	31
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	96	18
Escitalopram Oxalate	Escitalopram Oxalate	92	32
Duloxetine Hcl	Duloxetine Hcl	85	25
Lorazepam	Lorazepam	80	18
Pravastatin Sodium	Pravastatin Sodium	80	28
Carvedilol	Carvedilol	74	24
Eliquis	Apixaban	74	22
Glimepiride	Glimepiride	72	25
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	69	22
Prednisone	Prednisone	66	47
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	65	19
Citalopram Hbr	Citalopram Hydrobromide	64	20
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	61	13
Cephalexin	Cephalexin	60	33
Mirtazapine	Mirtazapine	59	15
Pregabalin	Pregabalin	57	11
Fenofibrate	Fenofibrate	56	16
Morphine Sulfate Er	Morphine Sulfate	56	suppressed
Diazepam	Diazepam	55	11
Clopidogrel	Clopidogrel Bisulfate	53	16
Jardiance	Empagliflozin	53	16
Cefdinir	Cefdinir	52	44
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	52	14
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	52	12
Temazepam	Temazepam	52	suppressed
Hydralazine Hcl	Hydralazine Hcl	50	14
Raloxifene Hcl	Raloxifene Hcl	50	16
Bupropion Xl	Bupropion Hcl	49	14
Meloxicam	Meloxicam	49	14
Oxybutynin Chloride Er	Oxybutynin Chloride	48	15
Benazepril Hcl	Benazepril Hcl	47	15
Ibuprofen	Ibuprofen	45	15
Oxycodone Hcl	Oxycodone Hcl	45	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	43	19
Telmisartan	Telmisartan	43	12
Acetaminophen-Codeine	Acetaminophen With Codeine	42	suppressed
Atenolol	Atenolol	41	13
Clonidine Hcl	Clonidine Hcl	41	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	40	15
Ezetimibe	Ezetimibe	39	12
Ondansetron Hcl	Ondansetron Hcl	38	suppressed
Topiramate	Topiramate	38	15
Verapamil Er	Verapamil Hcl	37	13
Amitriptyline Hcl	Amitriptyline Hcl	36	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	36	12
Celecoxib	Celecoxib	36	12
Estradiol	Estradiol	36	13
Doxazosin Mesylate	Doxazosin Mesylate	35	suppressed
Memantine Hcl	Memantine Hcl	35	13
Clonazepam	Clonazepam	34	suppressed
Metformin Hcl Er	Metformin Hcl	34	suppressed
Finasteride	Finasteride	33	12
Spironolactone	Spironolactone	33	suppressed
Trulicity	Dulaglutide	32	suppressed
Tizanidine Hcl	Tizanidine Hcl	31	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	31	14
Acyclovir	Acyclovir	30	11
Pioglitazone Hcl	Pioglitazone Hcl	29	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	29	suppressed
Warfarin Sodium	Warfarin Sodium	29	suppressed
Breo Ellipta	Fluticasone/Vilanterol	27	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	27	21
Dicyclomine Hcl	Dicyclomine Hcl	26	suppressed
Fluconazole	Fluconazole	26	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	26	suppressed
Valsartan	Valsartan	26	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	25	suppressed
Xarelto	Rivaroxaban	25	suppressed
Chlorthalidone	Chlorthalidone	24	suppressed
Lovastatin	Lovastatin	24	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	24	suppressed
Fluticasone Propionate	Fluticasone Propionate	23	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	23	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	23	suppressed
Ozempic	Semaglutide	23	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	22	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	22	suppressed
Latanoprost	Latanoprost	21	suppressed
Ropinirole Hcl	Ropinirole Hcl	21	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	21	suppressed
Symbicort	Budesonide/Formoterol Fumarate	21	suppressed
Torsemide	Torsemide	20	suppressed
Valacyclovir	Valacyclovir Hcl	20	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	19	suppressed
Baclofen	Baclofen	18	suppressed
Dropsafe Prep Pads	Alcohol Antiseptic Pads	18	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	18	18
Bupropion Hcl Sr	Bupropion Hcl	17	suppressed
Dutasteride	Dutasteride	16	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	16	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	15	suppressed
Naproxen	Naproxen	15	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	15	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	15	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	14	suppressed
Buspirone Hcl	Buspirone Hcl	14	suppressed
Nifedipine Er	Nifedipine	14	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	14	suppressed
Tiadylt Er	Diltiazem Hcl	14	suppressed
Advair Diskus	Fluticasone Propion/Salmeterol	13	suppressed
Fluocinonide	Fluocinonide	13	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	13	suppressed
Levetiracetam	Levetiracetam	13	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	13	suppressed
Novolog Flexpen	Insulin Aspart	13	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	13	suppressed
Amoxicillin	Amoxicillin	12	suppressed
Enalapril Maleate	Enalapril Maleate	12	suppressed
Eplerenone	Eplerenone	12	suppressed
Indapamide	Indapamide	12	suppressed
Nebivolol Hcl	Nebivolol Hcl	12	suppressed
Ondansetron Odt	Ondansetron	12	suppressed
Paroxetine Hcl	Paroxetine Hcl	12	suppressed
Synthroid	Levothyroxine Sodium	12	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	11	suppressed
Fentanyl	Fentanyl	11	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	11	suppressed
Januvia	Sitagliptin Phosphate	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Solifenacin Succinate	Solifenacin Succinate	11	suppressed

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.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
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