Healthcare provider profile · identity verified

Nathan J Marshall, MD

Family Practice · WEST JORDAN, UT · NPI 1831106681

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	395	112
Omeprazole	Omeprazole	213	62
Tamsulosin Hcl	Tamsulosin Hcl	176	50
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	157	43
Metformin Hcl	Metformin Hcl	153	46
Alprazolam	Alprazolam	142	23
Losartan Potassium	Losartan Potassium	121	39
Gabapentin	Gabapentin	113	32
Metoprolol Succinate	Metoprolol Succinate	109	34
Levothyroxine Sodium	Levothyroxine Sodium	108	32
Lisinopril	Lisinopril	105	32
Trazodone Hcl	Trazodone Hcl	102	29
Amlodipine Besylate	Amlodipine Besylate	101	34
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	100	31
Finasteride	Finasteride	98	35
Pioglitazone Hcl	Pioglitazone Hcl	97	28
Metformin Hcl Er	Metformin Hcl	83	22
Zolpidem Tartrate	Zolpidem Tartrate	83	21
Meloxicam	Meloxicam	81	27
Glimepiride	Glimepiride	79	22
Bupropion Xl	Bupropion Hcl	68	21
Allopurinol	Allopurinol	67	20
Simvastatin	Simvastatin	66	20
Celecoxib	Celecoxib	60	21
Furosemide	Furosemide	60	21
Pantoprazole Sodium	Pantoprazole Sodium	60	17
Potassium Chloride	Potassium Chloride	58	14
Albuterol Sulfate Hfa	Albuterol Sulfate	57	26
Fluoxetine Hcl	Fluoxetine Hcl	53	16
Clonazepam	Clonazepam	52	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	51	18
Prednisone	Prednisone	51	31
Fluticasone Propionate	Fluticasone Propionate	50	16
Alendronate Sodium	Alendronate Sodium	49	16
Propranolol Hcl Er	Propranolol Hcl	49	12
Montelukast Sodium	Montelukast Sodium	47	13
Sertraline Hcl	Sertraline Hcl	46	12
Rosuvastatin Calcium	Rosuvastatin Calcium	44	15
Metoprolol Tartrate	Metoprolol Tartrate	43	14
Pravastatin Sodium	Pravastatin Sodium	42	13
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	41	14
Escitalopram Oxalate	Escitalopram Oxalate	41	13
Eliquis	Apixaban	39	suppressed
Pregabalin	Pregabalin	39	suppressed
Ibuprofen	Ibuprofen	38	20
Carvedilol	Carvedilol	35	suppressed
Citalopram Hbr	Citalopram Hydrobromide	35	suppressed
Lorazepam	Lorazepam	35	suppressed
Paroxetine Hcl	Paroxetine Hcl	34	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	33	11
Amitriptyline Hcl	Amitriptyline Hcl	31	suppressed
Propranolol Hcl	Propranolol Hcl	31	11
Jardiance	Empagliflozin	29	suppressed
Diclofenac Sodium	Diclofenac Sodium	28	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	27	suppressed
Famotidine	Famotidine	26	14
Fenofibrate	Fenofibrate	26	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	26	suppressed
Buspirone Hcl	Buspirone Hcl	24	suppressed
Donepezil Hcl	Donepezil Hcl	24	suppressed
Symbicort	Budesonide/Formoterol Fumarate	24	suppressed
Duloxetine Hcl	Duloxetine Hcl	22	suppressed
Naproxen	Naproxen	22	11
Ropinirole Hcl	Ropinirole Hcl	22	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	19	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	19	suppressed
Nystatin	Nystatin	18	suppressed
Synthroid	Levothyroxine Sodium	17	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	15	suppressed
Mounjaro	Tirzepatide	15	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	14	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	14	12
Fluconazole	Fluconazole	13	suppressed
Mirtazapine	Mirtazapine	13	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	13	13
Warfarin Sodium	Warfarin Sodium	13	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Ondansetron Hcl	Ondansetron Hcl	12	suppressed
Spironolactone	Spironolactone	12	suppressed
Benazepril Hcl	Benazepril Hcl	11	suppressed
Clonidine Hcl	Clonidine Hcl	11	suppressed
Clopidogrel	Clopidogrel Bisulfate	11	suppressed
Ezetimibe	Ezetimibe	11	suppressed
Tramadol Hcl	Tramadol Hcl	11	suppressed
Valacyclovir	Valacyclovir Hcl	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	—	—	—	—	—
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