Healthcare provider profile · identity verified

Mark D Eden, MD

Family Practice · FREDERICKSBURG, TX · NPI 1275528119

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
Rosuvastatin Calcium	Rosuvastatin Calcium	621	171
Levothyroxine Sodium	Levothyroxine Sodium	351	82
Lisinopril	Lisinopril	296	80
Atorvastatin Calcium	Atorvastatin Calcium	287	76
Metoprolol Succinate	Metoprolol Succinate	238	60
Omeprazole	Omeprazole	237	60
Losartan Potassium	Losartan Potassium	175	46
Pantoprazole Sodium	Pantoprazole Sodium	175	40
Amlodipine Besylate	Amlodipine Besylate	163	45
Fluoxetine Hcl	Fluoxetine Hcl	162	38
Tramadol Hcl	Tramadol Hcl	160	45
Potassium Chloride	Potassium Chloride	148	31
Zolpidem Tartrate	Zolpidem Tartrate	143	18
Trazodone Hcl	Trazodone Hcl	139	27
Gabapentin	Gabapentin	138	34
Azithromycin	Azithromycin	130	101
Simvastatin	Simvastatin	129	30
Hydrochlorothiazide	Hydrochlorothiazide	126	35
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	126	34
Tamsulosin Hcl	Tamsulosin Hcl	114	30
Ciprofloxacin Hcl	Ciprofloxacin Hcl	108	52
Metformin Hcl	Metformin Hcl	105	28
Alprazolam	Alprazolam	103	17
Furosemide	Furosemide	99	25
Allopurinol	Allopurinol	97	25
Olmesartan Medoxomil	Olmesartan Medoxomil	97	17
Nifedipine Er	Nifedipine	92	23
Pravastatin Sodium	Pravastatin Sodium	79	12
Escitalopram Oxalate	Escitalopram Oxalate	73	17
Metformin Hcl Er	Metformin Hcl	72	23
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	70	13
Prednisone	Prednisone	68	43
Raloxifene Hcl	Raloxifene Hcl	67	21
Valsartan	Valsartan	66	15
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	64	16
Methylprednisolone	Methylprednisolone	63	49
Ozempic	Semaglutide	60	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	60	19
Clopidogrel	Clopidogrel Bisulfate	59	suppressed
Chlorthalidone	Chlorthalidone	58	15
Bupropion Hcl Sr	Bupropion Hcl	57	11
Eszopiclone	Eszopiclone	57	12
Montelukast Sodium	Montelukast Sodium	55	18
Meloxicam	Meloxicam	54	17
Ondansetron Odt	Ondansetron	53	18
Carvedilol	Carvedilol	52	11
Synthroid	Levothyroxine Sodium	51	16
Glimepiride	Glimepiride	47	15
Irbesartan	Irbesartan	45	13
Bupropion Xl	Bupropion Hcl	43	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	43	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	43	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	42	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	40	suppressed
Amoxicillin	Amoxicillin	40	30
Duloxetine Hcl	Duloxetine Hcl	40	suppressed
Clonazepam	Clonazepam	38	suppressed
Cephalexin	Cephalexin	37	33
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	36	18
Metoprolol Tartrate	Metoprolol Tartrate	36	12
Valacyclovir	Valacyclovir Hcl	36	15
Ramipril	Ramipril	35	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	34	suppressed
Fluticasone Propionate	Fluticasone Propionate	34	suppressed
Estradiol	Estradiol	32	suppressed
Tresiba Flextouch U-100	Insulin Degludec	32	11
Eliquis	Apixaban	30	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	30	suppressed
Nystatin	Nystatin	30	16
Paroxetine Hcl	Paroxetine Hcl	30	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	30	23
Doxycycline Hyclate	Doxycycline Hyclate	28	11
Ezetimibe	Ezetimibe	28	suppressed
Finasteride	Finasteride	28	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	28	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	28	suppressed
Xarelto	Rivaroxaban	28	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	27	15
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	27	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	27	13
Colchicine	Colchicine	26	suppressed
Lorazepam	Lorazepam	26	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	26	suppressed
Cefdinir	Cefdinir	25	18
Celecoxib	Celecoxib	25	suppressed
Advair Diskus	Fluticasone Propion/Salmeterol	24	suppressed
Sertraline Hcl	Sertraline Hcl	24	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	23	13
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	23	suppressed
Famotidine	Famotidine	23	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	22	suppressed
Ondansetron Hcl	Ondansetron Hcl	22	suppressed
Trulicity	Dulaglutide	22	suppressed
Donepezil Hcl	Donepezil Hcl	21	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	21	suppressed
Atenolol	Atenolol	20	suppressed
Citalopram Hbr	Citalopram Hydrobromide	20	suppressed
Acyclovir	Acyclovir	19	suppressed
Myrbetriq	Mirabegron	19	suppressed
Tizanidine Hcl	Tizanidine Hcl	19	suppressed
Benazepril Hcl	Benazepril Hcl	18	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	18	11
Mirtazapine	Mirtazapine	17	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Dutasteride	Dutasteride	16	suppressed
Fluconazole	Fluconazole	16	14
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	16	suppressed
Ibuprofen	Ibuprofen	16	suppressed
Linzess	Linaclotide	16	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	16	suppressed
Premarin	Estrogens, Conjugated	16	suppressed
Progesterone	Progesterone, Micronized	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	suppressed
Ventolin Hfa	Albuterol Sulfate	16	suppressed
Mounjaro	Tirzepatide	15	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	15	suppressed
Temazepam	Temazepam	15	suppressed
Dexlansoprazole Dr	Dexlansoprazole	14	suppressed
Repatha Sureclick	Evolocumab	14	suppressed
Flecainide Acetate	Flecainide Acetate	13	suppressed
Lovastatin	Lovastatin	13	suppressed
Alendronate Sodium	Alendronate Sodium	12	suppressed
Anastrozole	Anastrozole	12	suppressed
Armour Thyroid	Thyroid,pork	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Theophylline Er	Theophylline Anhydrous	12	suppressed
Cholestyramine	Cholestyramine (With Sugar)	11	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	11	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	11	suppressed
Dilt-Xr	Diltiazem Hcl	11	suppressed
Glipizide Er	Glipizide	11	suppressed
Mesalamine	Mesalamine	11	suppressed
Propranolol Hcl	Propranolol Hcl	11	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	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