Healthcare provider profile · identity verified

Marshall Morrison, MD

Internal Medicine · AZLE, TX · NPI 1508836099

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
Levothyroxine Sodium	Levothyroxine Sodium	372	146
Atorvastatin Calcium	Atorvastatin Calcium	269	103
Pantoprazole Sodium	Pantoprazole Sodium	269	98
Amlodipine Besylate	Amlodipine Besylate	250	100
Gabapentin	Gabapentin	226	73
Metoprolol Succinate	Metoprolol Succinate	222	86
Losartan Potassium	Losartan Potassium	199	81
Lisinopril	Lisinopril	191	82
Memantine Hcl	Memantine Hcl	186	57
Potassium Chloride	Potassium Chloride	184	69
Quetiapine Fumarate	Quetiapine Fumarate	172	65
Omeprazole	Omeprazole	169	60
Alprazolam	Alprazolam	134	44
Furosemide	Furosemide	134	62
Tamsulosin Hcl	Tamsulosin Hcl	133	56
Montelukast Sodium	Montelukast Sodium	129	46
Eliquis	Apixaban	126	35
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	126	40
Prednisone	Prednisone	125	77
Clopidogrel	Clopidogrel Bisulfate	124	42
Rosuvastatin Calcium	Rosuvastatin Calcium	120	44
Carvedilol	Carvedilol	105	41
Metformin Hcl	Metformin Hcl	103	42
Estradiol	Estradiol	100	41
Trazodone Hcl	Trazodone Hcl	100	33
Duloxetine Hcl	Duloxetine Hcl	99	34
Simvastatin	Simvastatin	99	39
Isosorbide Mononitrate Er	Isosorbide Mononitrate	95	28
Atenolol	Atenolol	94	33
Pravastatin Sodium	Pravastatin Sodium	94	33
Telmisartan	Telmisartan	90	25
Tramadol Hcl	Tramadol Hcl	90	42
Donepezil Hcl	Donepezil Hcl	89	24
Hydrochlorothiazide	Hydrochlorothiazide	87	33
Spironolactone	Spironolactone	83	34
Pioglitazone Hcl	Pioglitazone Hcl	77	31
Escitalopram Oxalate	Escitalopram Oxalate	74	25
Meloxicam	Meloxicam	73	23
Bupropion Xl	Bupropion Hcl	72	27
Allopurinol	Allopurinol	70	34
Ozempic	Semaglutide	69	15
Celecoxib	Celecoxib	66	27
Citalopram Hbr	Citalopram Hydrobromide	65	21
Jardiance	Empagliflozin	64	18
Myrbetriq	Mirabegron	63	13
Albuterol Sulfate Hfa	Albuterol Sulfate	62	20
Levetiracetam	Levetiracetam	58	15
Cefdinir	Cefdinir	57	52
Pregabalin	Pregabalin	57	15
Levofloxacin	Levofloxacin	54	49
Finasteride	Finasteride	53	22
Glimepiride	Glimepiride	47	17
Metoprolol Tartrate	Metoprolol Tartrate	46	23
Sertraline Hcl	Sertraline Hcl	46	17
Doxycycline Hyclate	Doxycycline Hyclate	45	37
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	42	18
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	41	18
Clonidine Hcl	Clonidine Hcl	41	20
Lorazepam	Lorazepam	40	18
Nitroglycerin	Nitroglycerin	40	16
Promethazine Hcl	Promethazine Hcl	39	20
Mirtazapine	Mirtazapine	38	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	38	suppressed
Buspirone Hcl	Buspirone Hcl	37	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	36	11
Acetaminophen-Codeine	Acetaminophen With Codeine	34	13
Benazepril Hcl	Benazepril Hcl	34	14
Fluticasone Propionate	Fluticasone Propionate	33	18
Risperidone	Risperidone	33	suppressed
Torsemide	Torsemide	32	14
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	30	14
Ondansetron Odt	Ondansetron	30	13
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	29	18
Lansoprazole	Lansoprazole	28	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	28	11
Oxybutynin Chloride	Oxybutynin Chloride	28	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	28	11
Cephalexin	Cephalexin	26	17
Methadone Hcl	Methadone Hcl	26	11
Alendronate Sodium	Alendronate Sodium	25	14
Bumetanide	Bumetanide	25	12
Fluoxetine Hcl	Fluoxetine Hcl	25	suppressed
Warfarin Sodium	Warfarin Sodium	25	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	24	11
Esomeprazole Magnesium	Esomeprazole Magnesium	24	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	24	suppressed
Metformin Hcl Er	Metformin Hcl	24	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	24	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	23	suppressed
Xarelto	Rivaroxaban	23	11
Dexamethasone	Dexamethasone	22	22
Hydromorphone Hcl	Hydromorphone Hcl	22	18
Paroxetine Hcl	Paroxetine Hcl	22	suppressed
Synthroid	Levothyroxine Sodium	22	suppressed
Valacyclovir	Valacyclovir Hcl	22	suppressed
Clonazepam	Clonazepam	21	suppressed
Diazepam	Diazepam	21	suppressed
Digoxin	Digoxin	21	suppressed
Glipizide	Glipizide	21	suppressed
Indapamide	Indapamide	21	suppressed
Ranolazine Er	Ranolazine	21	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	21	16
Zolpidem Tartrate	Zolpidem Tartrate	21	suppressed
Farxiga	Dapagliflozin Propanediol	20	suppressed
Lovastatin	Lovastatin	20	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	19	suppressed
Ezetimibe	Ezetimibe	19	suppressed
Meclizine Hcl	Meclizine Hcl	19	12
Methylprednisolone	Methylprednisolone	19	16
Vitamin D2	Ergocalciferol (Vitamin D2)	19	suppressed
Primidone	Primidone	18	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	17	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	17	suppressed
Famotidine	Famotidine	17	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	17	15
Triamcinolone Acetonide	Triamcinolone Acetonide	17	12
Acebutolol Hcl	Acebutolol Hcl	16	suppressed
Hydralazine Hcl	Hydralazine Hcl	16	suppressed
Testosterone Cypionate	Testosterone Cypionate	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	suppressed
Azelastine Hcl	Azelastine Hcl	15	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	15	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	15	suppressed
Diclofenac Sodium	Diclofenac Sodium	15	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	15	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	15	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	15	suppressed
Ropinirole Hcl	Ropinirole Hcl	15	suppressed
Aripiprazole	Aripiprazole	14	suppressed
Dexlansoprazole Dr	Dexlansoprazole	14	suppressed
Ibuprofen	Ibuprofen	14	suppressed
Mounjaro	Tirzepatide	14	suppressed
Mupirocin	Mupirocin	14	11
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	14	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	13	suppressed
Methotrexate	Methotrexate Sodium	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	12	suppressed
Fenofibrate	Fenofibrate	12	suppressed
Ibandronate Sodium	Ibandronate Sodium	12	suppressed
Midodrine Hcl	Midodrine Hcl	12	suppressed
Ondansetron Hcl	Ondansetron Hcl	12	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	12	suppressed
Colchicine	Colchicine	11	suppressed
Imipramine Hcl	Imipramine Hcl	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Testosterone	Testosterone	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