Healthcare provider profile · identity verified

Diane A Ferguson, MD

Family Practice · HORN LAKE, MS · NPI 1265525331

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
Amlodipine Besylate	Amlodipine Besylate	195	75
Omeprazole	Omeprazole	185	51
Gabapentin	Gabapentin	179	54
Atorvastatin Calcium	Atorvastatin Calcium	172	62
Lisinopril	Lisinopril	162	46
Levothyroxine Sodium	Levothyroxine Sodium	119	38
Trazodone Hcl	Trazodone Hcl	107	28
Pantoprazole Sodium	Pantoprazole Sodium	93	30
Losartan Potassium	Losartan Potassium	91	31
Sertraline Hcl	Sertraline Hcl	85	22
Metformin Hcl Er	Metformin Hcl	81	23
Alprazolam	Alprazolam	72	17
Tramadol Hcl	Tramadol Hcl	72	15
Rosuvastatin Calcium	Rosuvastatin Calcium	71	26
Buspirone Hcl	Buspirone Hcl	70	14
Metformin Hcl	Metformin Hcl	70	27
Hydrochlorothiazide	Hydrochlorothiazide	64	21
Ezetimibe	Ezetimibe	62	18
Albuterol Sulfate Hfa	Albuterol Sulfate	58	20
Furosemide	Furosemide	58	25
Zolpidem Tartrate	Zolpidem Tartrate	56	suppressed
Potassium Chloride	Potassium Chloride	53	15
Metoprolol Succinate	Metoprolol Succinate	52	17
Fluticasone Propionate	Fluticasone Propionate	51	22
Simvastatin	Simvastatin	51	15
Eliquis	Apixaban	47	11
Pregabalin	Pregabalin	47	suppressed
Meloxicam	Meloxicam	45	15
Glimepiride	Glimepiride	44	14
Tizanidine Hcl	Tizanidine Hcl	43	15
Duloxetine Hcl	Duloxetine Hcl	42	14
Carvedilol	Carvedilol	41	16
Clonazepam	Clonazepam	41	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	41	13
Metoprolol Tartrate	Metoprolol Tartrate	40	13
Propranolol Hcl	Propranolol Hcl	40	11
Amoxicillin	Amoxicillin	39	31
Glipizide	Glipizide	39	16
Ondansetron Hcl	Ondansetron Hcl	39	16
Clopidogrel	Clopidogrel Bisulfate	37	11
Escitalopram Oxalate	Escitalopram Oxalate	37	12
Hydralazine Hcl	Hydralazine Hcl	37	13
Montelukast Sodium	Montelukast Sodium	37	11
Azithromycin	Azithromycin	35	26
Prednisone	Prednisone	34	22
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	32	12
Mounjaro	Tirzepatide	31	suppressed
Atenolol	Atenolol	30	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	30	12
Diclofenac Sodium	Diclofenac Sodium	29	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	29	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	28	13
Famotidine	Famotidine	28	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	28	11
Cephalexin	Cephalexin	27	12
Oxybutynin Chloride	Oxybutynin Chloride	27	suppressed
Clonidine Hcl	Clonidine Hcl	26	suppressed
Jardiance	Empagliflozin	26	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	26	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	26	suppressed
Tamsulosin Hcl	Tamsulosin Hcl	26	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	24	suppressed
Baclofen	Baclofen	23	suppressed
Januvia	Sitagliptin Phosphate	23	suppressed
Ozempic	Semaglutide	22	suppressed
Temazepam	Temazepam	22	suppressed
Pravastatin Sodium	Pravastatin Sodium	21	suppressed
Bupropion Xl	Bupropion Hcl	20	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	20	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	20	13
Lantus	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	20	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	20	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Donepezil Hcl	Donepezil Hcl	19	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	19	suppressed
Memantine Hcl	Memantine Hcl	19	suppressed
Methylprednisolone	Methylprednisolone	19	13
Citalopram Hbr	Citalopram Hydrobromide	18	suppressed
Linzess	Linaclotide	18	suppressed
Methocarbamol	Methocarbamol	18	suppressed
Allopurinol	Allopurinol	17	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	17	suppressed
Fluconazole	Fluconazole	17	13
Primidone	Primidone	17	suppressed
Topiramate	Topiramate	17	suppressed
Benazepril Hcl	Benazepril Hcl	16	suppressed
Dropsafe Prep Pads	Alcohol Antiseptic Pads	16	suppressed
Fenofibrate	Fenofibrate	16	suppressed
Lovastatin	Lovastatin	16	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	16	suppressed
Valacyclovir	Valacyclovir Hcl	16	suppressed
Finasteride	Finasteride	15	suppressed
Ibuprofen	Ibuprofen	15	suppressed
Midodrine Hcl	Midodrine Hcl	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	14
Valsartan	Valsartan	15	suppressed
Colchicine	Colchicine	14	suppressed
Lidocaine	Lidocaine	14	suppressed
Meclizine Hcl	Meclizine Hcl	14	suppressed
Mirtazapine	Mirtazapine	14	suppressed
Spironolactone	Spironolactone	14	suppressed
Xarelto	Rivaroxaban	14	suppressed
Alendronate Sodium	Alendronate Sodium	13	suppressed
Estradiol	Estradiol	13	suppressed
Humalog	Insulin Lispro	13	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	13	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	12	suppressed
Celecoxib	Celecoxib	12	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	12	suppressed
Clobetasol Propionate	Clobetasol Propionate	11	suppressed
Flecainide Acetate	Flecainide Acetate	11	suppressed
Glycopyrrolate	Glycopyrrolate	11	suppressed
Methotrexate	Methotrexate Sodium	11	suppressed
Olanzapine	Olanzapine	11	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	11	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	11	suppressed
Trihexyphenidyl Hcl	Trihexyphenidyl Hcl	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