Healthcare provider profile · identity verified

Dan David Hoerster, MD

Family Practice · LLANO, TX · NPI 1508848052

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	461	109
Amlodipine Besylate	Amlodipine Besylate	352	82
Levothyroxine Sodium	Levothyroxine Sodium	306	60
Gabapentin	Gabapentin	292	60
Tamsulosin Hcl	Tamsulosin Hcl	257	64
Lisinopril	Lisinopril	198	55
Metoprolol Succinate	Metoprolol Succinate	190	46
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	177	46
Sertraline Hcl	Sertraline Hcl	172	34
Pantoprazole Sodium	Pantoprazole Sodium	154	29
Eliquis	Apixaban	151	29
Losartan Potassium	Losartan Potassium	137	34
Omeprazole	Omeprazole	126	27
Alprazolam	Alprazolam	121	20
Rosuvastatin Calcium	Rosuvastatin Calcium	120	33
Montelukast Sodium	Montelukast Sodium	119	20
Potassium Chloride	Potassium Chloride	109	35
Duloxetine Hcl	Duloxetine Hcl	106	24
Furosemide	Furosemide	106	33
Tramadol Hcl	Tramadol Hcl	102	21
Valsartan	Valsartan	101	20
Zolpidem Tartrate	Zolpidem Tartrate	98	19
Ozempic	Semaglutide	95	19
Tizanidine Hcl	Tizanidine Hcl	95	19
Metformin Hcl Er	Metformin Hcl	92	24
Lorazepam	Lorazepam	90	17
Albuterol Sulfate Hfa	Albuterol Sulfate	88	28
Hydrochlorothiazide	Hydrochlorothiazide	88	23
Quetiapine Fumarate	Quetiapine Fumarate	86	14
Farxiga	Dapagliflozin Propanediol	79	15
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	78	23
Metformin Hcl	Metformin Hcl	78	21
Esomeprazole Magnesium	Esomeprazole Magnesium	75	22
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	71	17
Trazodone Hcl	Trazodone Hcl	69	16
Clonazepam	Clonazepam	67	12
Finasteride	Finasteride	67	15
Metoprolol Tartrate	Metoprolol Tartrate	67	15
Donepezil Hcl	Donepezil Hcl	64	18
Fluticasone Propionate	Fluticasone Propionate	64	20
Simvastatin	Simvastatin	64	13
Mounjaro	Tirzepatide	62	suppressed
Jardiance	Empagliflozin	61	14
Ropinirole Hcl	Ropinirole Hcl	61	suppressed
Citalopram Hbr	Citalopram Hydrobromide	57	15
Mirtazapine	Mirtazapine	57	11
Allopurinol	Allopurinol	53	13
Glipizide Er	Glipizide	53	suppressed
Pregabalin	Pregabalin	53	suppressed
Meloxicam	Meloxicam	49	14
Divalproex Sodium	Divalproex Sodium	48	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	48	suppressed
Celecoxib	Celecoxib	47	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	47	11
Fluoxetine Hcl	Fluoxetine Hcl	47	13
Alendronate Sodium	Alendronate Sodium	46	11
Prednisone	Prednisone	46	13
Famotidine	Famotidine	44	suppressed
Tresiba Flextouch U-100	Insulin Degludec	41	suppressed
Baclofen	Baclofen	40	suppressed
Temazepam	Temazepam	40	11
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	39	11
Carvedilol	Carvedilol	38	12
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	37	suppressed
Topiramate	Topiramate	35	suppressed
Levetiracetam	Levetiracetam	34	suppressed
Memantine Hcl	Memantine Hcl	32	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	32	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	31	30
Meclizine Hcl	Meclizine Hcl	31	suppressed
Myrbetriq	Mirabegron	31	suppressed
Cefuroxime	Cefuroxime Axetil	30	28
Clopidogrel	Clopidogrel Bisulfate	30	13
Ipratropium Bromide	Ipratropium Bromide	29	suppressed
Januvia	Sitagliptin Phosphate	29	suppressed
Warfarin Sodium	Warfarin Sodium	29	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	28	suppressed
Ezetimibe	Ezetimibe	27	suppressed
Spironolactone	Spironolactone	27	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	26	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	25	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	25	suppressed
Latanoprost	Latanoprost	25	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	25	suppressed
Xarelto	Rivaroxaban	25	suppressed
Pravastatin Sodium	Pravastatin Sodium	24	11
Triamcinolone Acetonide	Triamcinolone Acetonide	24	14
Ventolin Hfa	Albuterol Sulfate	24	suppressed
Buspirone Hcl	Buspirone Hcl	23	suppressed
Methylprednisolone	Methylprednisolone	23	22
Lamotrigine	Lamotrigine	22	suppressed
Testosterone Cypionate	Testosterone Cypionate	22	suppressed
Glimepiride	Glimepiride	21	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	18	suppressed
Oxycodone Hcl	Oxycodone Hcl	18	suppressed
Valacyclovir	Valacyclovir Hcl	18	suppressed
Benazepril Hcl	Benazepril Hcl	17	suppressed
Varenicline Tartrate	Varenicline Tartrate	17	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	16	suppressed
Glipizide	Glipizide	16	suppressed
Ibandronate Sodium	Ibandronate Sodium	16	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	15	14
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	15	suppressed
Primidone	Primidone	15	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	15	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	15	suppressed
Azithromycin	Azithromycin	14	14
Brimonidine Tartrate	Brimonidine Tartrate	14	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	14	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	14	suppressed
Symbicort	Budesonide/Formoterol Fumarate	14	suppressed
Azelastine Hcl	Azelastine Hcl	13	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	13	suppressed
Ondansetron Hcl	Ondansetron Hcl	13	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	13	suppressed
Paroxetine Hcl	Paroxetine Hcl	13	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Lovastatin	Lovastatin	12	suppressed
Nifedipine Er	Nifedipine	12	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	12	suppressed
Promethazine Hcl	Promethazine Hcl	12	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	12	suppressed
Tresiba	Insulin Degludec	12	suppressed
Verapamil Er	Verapamil Hcl	12	suppressed
Verapamil Hcl	Verapamil Hcl	12	suppressed
Creon	Lipase/Protease/Amylase	11	suppressed
Divalproex Sodium Er	Divalproex Sodium	11	suppressed
Eszopiclone	Eszopiclone	11	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	11	suppressed
Tresiba Flextouch U-200	Insulin Degludec	11	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	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

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