Healthcare provider profile · identity verified

Daniel J Mcmahon, MD

Allopathic & Osteopathic Physicians|Family Medicine · IRON MOUNTAIN, MI · NPI 1225049455

Profile state: payments and partd 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

CMS Open Payments records show Daniel J Mcmahon, MD received $20.18 in general payments during 2025 across 1 reported records.

Edwards Lifesciences Corporation accounted for 100.0% of that reported general-payment amount.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$20.18

1 reported records · 1 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported company	Canonical company	Amount	Share	Records	Year
Edwards Lifesciences Corporation	Unresolved — no canonical attribution shown	$20.18	100.0%	1	2025

What were the payments for?

Payment categories

Category	Amount	Records
Food and Beverage	$20.18	1

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Payment records were found, but the reported records did not identify a specific associated product for this analysis.

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.

None of this doctor’s payer companies has same-entity product evidence that passes the publication threshold. The site does not infer company ownership, affiliates, or generic manufacturers.

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
Rosuvastatin Calcium	Rosuvastatin Calcium	1061	255
Atorvastatin Calcium	Atorvastatin Calcium	811	185
Lisinopril	Lisinopril	784	185
Omeprazole	Omeprazole	646	161
Levothyroxine Sodium	Levothyroxine Sodium	568	117
Losartan Potassium	Losartan Potassium	468	119
Amlodipine Besylate	Amlodipine Besylate	410	112
Metformin Hcl Er	Metformin Hcl	308	68
Escitalopram Oxalate	Escitalopram Oxalate	304	66
Hydrochlorothiazide	Hydrochlorothiazide	286	67
Glimepiride	Glimepiride	280	62
Tamsulosin Hcl	Tamsulosin Hcl	246	60
Furosemide	Furosemide	239	56
Metoprolol Succinate	Metoprolol Succinate	233	61
Duloxetine Hcl	Duloxetine Hcl	225	52
Gabapentin	Gabapentin	225	47
Potassium Chloride	Potassium Chloride	223	45
Simvastatin	Simvastatin	211	44
Pantoprazole Sodium	Pantoprazole Sodium	208	45
Allopurinol	Allopurinol	198	49
Meloxicam	Meloxicam	189	62
Ozempic	Semaglutide	186	34
Metoprolol Tartrate	Metoprolol Tartrate	185	44
Albuterol Sulfate Hfa	Albuterol Sulfate	172	62
Ezetimibe	Ezetimibe	166	39
Trazodone Hcl	Trazodone Hcl	164	37
Montelukast Sodium	Montelukast Sodium	151	33
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	147	37
Bupropion Xl	Bupropion Hcl	144	26
Sertraline Hcl	Sertraline Hcl	144	40
Warfarin Sodium	Warfarin Sodium	142	21
Eliquis	Apixaban	139	32
Atenolol	Atenolol	138	40
Metformin Hcl	Metformin Hcl	138	33
Pioglitazone Hcl	Pioglitazone Hcl	132	35
Fluticasone Propionate	Fluticasone Propionate	131	51
Naproxen	Naproxen	131	51
Citalopram Hbr	Citalopram Hydrobromide	126	24
Buspirone Hcl	Buspirone Hcl	123	21
Januvia	Sitagliptin Phosphate	116	20
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	114	37
Methylprednisolone	Methylprednisolone	113	94
Famotidine	Famotidine	105	19
Pravastatin Sodium	Pravastatin Sodium	95	23
Finasteride	Finasteride	93	20
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	91	21
Mirtazapine	Mirtazapine	91	18
Tizanidine Hcl	Tizanidine Hcl	90	50
Tramadol Hcl	Tramadol Hcl	90	28
Pregabalin	Pregabalin	87	14
Fluoxetine Hcl	Fluoxetine Hcl	86	20
Esomeprazole Magnesium	Esomeprazole Magnesium	82	13
Lorazepam	Lorazepam	78	29
Carvedilol	Carvedilol	77	15
Donepezil Hcl	Donepezil Hcl	76	15
Jardiance	Empagliflozin	75	17
Doxycycline Hyclate	Doxycycline Hyclate	72	62
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	72	16
Memantine Hcl	Memantine Hcl	71	14
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	68	15
Clopidogrel	Clopidogrel Bisulfate	67	15
Spironolactone	Spironolactone	66	17
Triamcinolone Acetonide	Triamcinolone Acetonide	63	32
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	62	16
Prednisone	Prednisone	57	30
Diclofenac Sodium	Diclofenac Sodium	54	15
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	52	suppressed
Mounjaro	Tirzepatide	49	suppressed
Propranolol Hcl	Propranolol Hcl	48	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	46	15
Arexvy	Rsvpref3 Antigen/As01e/Pf	45	45
Chlorthalidone	Chlorthalidone	42	14
Synthroid	Levothyroxine Sodium	42	13
Baclofen	Baclofen	41	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	41	suppressed
Xarelto	Rivaroxaban	41	suppressed
Alendronate Sodium	Alendronate Sodium	39	13
Amitriptyline Hcl	Amitriptyline Hcl	39	suppressed
Lamotrigine	Lamotrigine	39	suppressed
Celecoxib	Celecoxib	34	suppressed
Doxepin Hcl	Doxepin Hcl	34	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	34	suppressed
Farxiga	Dapagliflozin Propanediol	31	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	31	27
Azelastine Hcl	Azelastine Hcl	30	14
Azithromycin	Azithromycin	30	25
Combivent Respimat	Ipratropium/Albuterol Sulfate	30	suppressed
Lansoprazole	Lansoprazole	30	suppressed
Ropinirole Hcl	Ropinirole Hcl	28	suppressed
Sucralfate	Sucralfate	28	suppressed
Ventolin Hfa	Albuterol Sulfate	28	13
Cephalexin	Cephalexin	27	21
Comfort Ez Pen Needle	Pen Needle, Diabetic	27	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	27	11
Enalapril Maleate	Enalapril Maleate	26	suppressed
Arnuity Ellipta	Fluticasone Furoate	25	suppressed
Breo Ellipta	Fluticasone/Vilanterol	25	suppressed
Digoxin	Digoxin	25	suppressed
Ibuprofen	Ibuprofen	25	12
Nystatin	Nystatin	25	16
Valacyclovir	Valacyclovir Hcl	25	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	24	suppressed
Hydralazine Hcl	Hydralazine Hcl	24	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Ketoconazole	Ketoconazole	22	suppressed
Paroxetine Hcl	Paroxetine Hcl	22	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	21	suppressed
Ipratropium Bromide	Ipratropium Bromide	21	suppressed
Levofloxacin	Levofloxacin	21	17
Lovastatin	Lovastatin	21	suppressed
Symbicort	Budesonide/Formoterol Fumarate	21	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	21	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	20	suppressed
Invokana	Canagliflozin	20	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	20	suppressed
Spiriva Handihaler	Tiotropium Bromide	20	suppressed
Terazosin Hcl	Terazosin Hcl	20	suppressed
Olanzapine	Olanzapine	19	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	19	suppressed
Bumetanide	Bumetanide	18	suppressed
Glipizide Er	Glipizide	18	suppressed
Levetiracetam	Levetiracetam	18	suppressed
Methotrexate	Methotrexate Sodium	18	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	17	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	17	suppressed
Propranolol Hcl Er	Propranolol Hcl	17	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	17	suppressed
Alprazolam	Alprazolam	16	suppressed
Clobetasol Propionate	Clobetasol Propionate	16	suppressed
Ondansetron Hcl	Ondansetron Hcl	16	suppressed
Rybelsus	Semaglutide	16	suppressed
Estradiol	Estradiol	15	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	14	suppressed
Diltiazem 24hr Er (Xr)	Diltiazem Hcl	14	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	14	suppressed
Ramipril	Ramipril	14	suppressed
Varenicline Tartrate	Varenicline Tartrate	14	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	13	suppressed
Humalog Kwikpen U-100	Insulin Lispro	13	suppressed
Procto-Med Hc	Hydrocortisone	13	suppressed
Clonidine Hcl	Clonidine Hcl	12	suppressed
Fluconazole	Fluconazole	12	suppressed
Guanfacine Hcl Er	Guanfacine Hcl	12	suppressed
Lamotrigine Odt	Lamotrigine	12	suppressed
Mono-Linyah	Norgestimate-Ethinyl Estradiol	12	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	12	suppressed
Aripiprazole	Aripiprazole	11	suppressed
Clonazepam	Clonazepam	11	suppressed
Olanzapine Odt	Olanzapine	11	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	11	suppressed
Pitavastatin Calcium	Pitavastatin Calcium	11	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	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	$20.18 · 1 records	Edwards Lifesciences Corporation	—	—	—
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