Healthcare provider profile · identity verified

David M Mcgrath, M.D.

Internal Medicine · GRAND RAPIDS, MI · NPI 1275640229

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	924	243
Amlodipine Besylate	Amlodipine Besylate	623	157
Lisinopril	Lisinopril	479	124
Losartan Potassium	Losartan Potassium	447	115
Levothyroxine Sodium	Levothyroxine Sodium	376	98
Omeprazole	Omeprazole	302	88
Hydrochlorothiazide	Hydrochlorothiazide	266	71
Pravastatin Sodium	Pravastatin Sodium	264	66
Metoprolol Succinate	Metoprolol Succinate	208	57
Alendronate Sodium	Alendronate Sodium	199	49
Metformin Hcl	Metformin Hcl	189	47
Gabapentin	Gabapentin	178	34
Sertraline Hcl	Sertraline Hcl	178	44
Eliquis	Apixaban	159	36
Tamsulosin Hcl	Tamsulosin Hcl	159	40
Alprazolam	Alprazolam	131	34
Candesartan Cilexetil	Candesartan Cilexetil	123	26
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	121	29
Rosuvastatin Calcium	Rosuvastatin Calcium	118	35
Escitalopram Oxalate	Escitalopram Oxalate	117	29
Simvastatin	Simvastatin	115	31
Duloxetine Hcl	Duloxetine Hcl	113	27
Hydralazine Hcl	Hydralazine Hcl	107	24
Trazodone Hcl	Trazodone Hcl	101	25
Allopurinol	Allopurinol	96	24
Furosemide	Furosemide	87	30
Citalopram Hbr	Citalopram Hydrobromide	79	19
Pantoprazole Sodium	Pantoprazole Sodium	74	20
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	74	18
Carvedilol	Carvedilol	66	15
Arexvy	Rsvpref3 Antigen/As01e/Pf	59	59
Cephalexin	Cephalexin	58	35
Terazosin Hcl	Terazosin Hcl	58	15
Lovastatin	Lovastatin	55	15
Celecoxib	Celecoxib	54	13
Prednisone	Prednisone	54	31
Trulicity	Dulaglutide	53	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	51	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	50	14
Ozempic	Semaglutide	50	suppressed
Fluticasone Propionate	Fluticasone Propionate	49	19
Tramadol Hcl	Tramadol Hcl	49	12
Albuterol Sulfate Hfa	Albuterol Sulfate	47	32
Venlafaxine Hcl Er	Venlafaxine Hcl	47	11
Montelukast Sodium	Montelukast Sodium	46	12
Atenolol	Atenolol	45	12
Meloxicam	Meloxicam	44	suppressed
Paroxetine Hcl	Paroxetine Hcl	44	suppressed
Ipratropium Bromide	Ipratropium Bromide	43	14
Potassium Chloride	Potassium Chloride	43	12
Xarelto	Rivaroxaban	43	11
Lorazepam	Lorazepam	42	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	42	11
Boostrix Tdap	Diphth,pertuss(Acell),tet Vac	39	39
Zolpidem Tartrate	Zolpidem Tartrate	39	suppressed
Buspirone Hcl	Buspirone Hcl	38	suppressed
Glipizide Er	Glipizide	38	11
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	38	30
Bupropion Xl	Bupropion Hcl	37	suppressed
Pregabalin	Pregabalin	37	suppressed
Lansoprazole	Lansoprazole	36	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	35	suppressed
Clonidine Hcl	Clonidine Hcl	34	suppressed
Metformin Hcl Er	Metformin Hcl	34	11
Donepezil Hcl	Donepezil Hcl	33	11
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	31	suppressed
Clopidogrel	Clopidogrel Bisulfate	29	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	29	15
Dicyclomine Hcl	Dicyclomine Hcl	29	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	29	suppressed
Famotidine	Famotidine	29	suppressed
Diazepam	Diazepam	28	suppressed
Nifedipine Er	Nifedipine	28	suppressed
Propranolol Hcl Er	Propranolol Hcl	28	suppressed
Spironolactone	Spironolactone	28	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	27	24
Mounjaro	Tirzepatide	27	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	25	suppressed
Irbesartan	Irbesartan	24	suppressed
Valacyclovir	Valacyclovir Hcl	24	12
Qvar Redihaler	Beclomethasone Dipropionate	23	suppressed
Fluconazole	Fluconazole	21	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	21	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	21	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	21	suppressed
Finasteride	Finasteride	20	suppressed
Tadalafil	Tadalafil	20	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Amoxicillin	Amoxicillin	18	16
Azithromycin	Azithromycin	18	14
Shingrix	Varicella-Zoster Ge/As01b/Pf	18	15
Warfarin Sodium	Warfarin Sodium	18	suppressed
Benazepril Hcl	Benazepril Hcl	17	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	17	suppressed
Ropinirole Hcl	Ropinirole Hcl	17	suppressed
Verapamil Sr	Verapamil Hcl	17	suppressed
Estradiol	Estradiol	16	suppressed
Glipizide	Glipizide	16	suppressed
Ventolin Hfa	Albuterol Sulfate	16	suppressed
Aripiprazole	Aripiprazole	15	suppressed
Clonazepam	Clonazepam	15	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	15	suppressed
Enalapril Maleate	Enalapril Maleate	15	suppressed
Farxiga	Dapagliflozin Propanediol	15	suppressed
Humalog Kwikpen U-100	Insulin Lispro	15	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	15	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	15	15
Rivastigmine	Rivastigmine	15	suppressed
Chlorthalidone	Chlorthalidone	14	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	14	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	14	suppressed
Raloxifene Hcl	Raloxifene Hcl	14	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	14	suppressed
Diltiazem 24hr Er (La)	Diltiazem Hcl	13	suppressed
Terbinafine Hcl	Terbinafine Hcl	13	suppressed
Indapamide	Indapamide	12	suppressed
Meclizine Hcl	Meclizine Hcl	12	suppressed
Methylphenidate Er	Methylphenidate Hcl	12	suppressed
Spiriva Handihaler	Tiotropium Bromide	12	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	12	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	11	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	11	11
Primidone	Primidone	11	suppressed
Soliqua 100-33	Insulin Glargine/Lixisenatide	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Testosterone	Testosterone	11	suppressed
Tramadol Hcl-Acetaminophen	Tramadol Hcl/Acetaminophen	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