Healthcare provider profile · identity verified

Karl W Sash, MD

Hospice and Palliative Care · EVANSVILLE, IN · NPI 1902883291

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	588	123
Levothyroxine Sodium	Levothyroxine Sodium	480	80
Amlodipine Besylate	Amlodipine Besylate	453	91
Pantoprazole Sodium	Pantoprazole Sodium	406	78
Furosemide	Furosemide	356	76
Potassium Chloride	Potassium Chloride	328	62
Metoprolol Succinate	Metoprolol Succinate	317	60
Eliquis	Apixaban	304	52
Lisinopril	Lisinopril	286	48
Escitalopram Oxalate	Escitalopram Oxalate	267	54
Losartan Potassium	Losartan Potassium	260	55
Trazodone Hcl	Trazodone Hcl	197	41
Sertraline Hcl	Sertraline Hcl	196	46
Memantine Hcl	Memantine Hcl	182	35
Omeprazole	Omeprazole	165	35
Donepezil Hcl	Donepezil Hcl	156	30
Warfarin Sodium	Warfarin Sodium	156	suppressed
Gabapentin	Gabapentin	151	41
Citalopram Hbr	Citalopram Hydrobromide	136	26
Clopidogrel	Clopidogrel Bisulfate	134	22
Finasteride	Finasteride	133	23
Mirtazapine	Mirtazapine	131	32
Metformin Hcl	Metformin Hcl	121	28
Metoprolol Tartrate	Metoprolol Tartrate	118	26
Quetiapine Fumarate	Quetiapine Fumarate	115	19
Carvedilol	Carvedilol	110	33
Tamsulosin Hcl	Tamsulosin Hcl	104	22
Xarelto	Rivaroxaban	103	15
Myrbetriq	Mirabegron	102	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	98	22
Cephalexin	Cephalexin	96	41
Famotidine	Famotidine	96	16
Hydralazine Hcl	Hydralazine Hcl	96	16
Prednisone	Prednisone	95	15
Rosuvastatin Calcium	Rosuvastatin Calcium	95	26
Spironolactone	Spironolactone	93	18
Buspirone Hcl	Buspirone Hcl	91	23
Montelukast Sodium	Montelukast Sodium	86	26
Simvastatin	Simvastatin	85	17
Duloxetine Hcl	Duloxetine Hcl	84	21
Isosorbide Mononitrate Er	Isosorbide Mononitrate	81	16
Allopurinol	Allopurinol	79	23
Meloxicam	Meloxicam	74	11
Ropinirole Hcl	Ropinirole Hcl	74	13
Ondansetron Odt	Ondansetron	68	37
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	65	15
Pravastatin Sodium	Pravastatin Sodium	64	11
Carbidopa-Levodopa	Carbidopa/Levodopa	59	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	57	17
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	55	24
Fluoxetine Hcl	Fluoxetine Hcl	54	12
Lorazepam	Lorazepam	52	25
Torsemide	Torsemide	51	suppressed
Latanoprost	Latanoprost	50	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	47	21
Ezetimibe	Ezetimibe	46	11
Fluticasone Propionate	Fluticasone Propionate	46	14
Amiodarone Hcl	Amiodarone Hcl	45	13
Gemtesa	Vibegron	45	suppressed
Olanzapine	Olanzapine	45	12
Atenolol	Atenolol	44	suppressed
Aripiprazole	Aripiprazole	42	11
Bupropion Xl	Bupropion Hcl	41	suppressed
Risperidone	Risperidone	41	suppressed
Ondansetron Hcl	Ondansetron Hcl	40	15
Tramadol Hcl	Tramadol Hcl	38	11
Farxiga	Dapagliflozin Propanediol	37	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	36	11
Celecoxib	Celecoxib	35	suppressed
Midodrine Hcl	Midodrine Hcl	34	13
Irbesartan	Irbesartan	32	suppressed
Valsartan	Valsartan	32	suppressed
Alendronate Sodium	Alendronate Sodium	31	suppressed
Diclofenac Sodium	Diclofenac Sodium	30	13
Labetalol Hcl	Labetalol Hcl	30	suppressed
Jardiance	Empagliflozin	28	suppressed
Bumetanide	Bumetanide	27	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	27	suppressed
Memantine Hcl Er	Memantine Hcl	27	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	26	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	26	suppressed
Clonidine Hcl	Clonidine Hcl	25	suppressed
Azithromycin	Azithromycin	24	13
Loperamide	Loperamide Hcl	24	suppressed
Paroxetine Hcl	Paroxetine Hcl	24	suppressed
Bupropion Hcl Sr	Bupropion Hcl	23	suppressed
Digoxin	Digoxin	23	suppressed
Prednisolone Acetate	Prednisolone Acetate	23	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	22	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	21	suppressed
Clonazepam	Clonazepam	21	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	21	suppressed
Enalapril Maleate	Enalapril Maleate	21	suppressed
Sucralfate	Sucralfate	21	suppressed
Arnuity Ellipta	Fluticasone Furoate	20	suppressed
Diltiazem Hcl	Diltiazem Hcl	20	suppressed
Lumigan	Bimatoprost	20	suppressed
Fluconazole	Fluconazole	19	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	19	suppressed
Timolol Maleate	Timolol Maleate	19	suppressed
Topiramate	Topiramate	19	suppressed
Admelog Solostar	Insulin Lispro	18	suppressed
Ceftriaxone	Ceftriaxone Sodium	18	16
Galantamine Er	Galantamine Hbr	18	suppressed
Lamotrigine	Lamotrigine	18	suppressed
Levetiracetam	Levetiracetam	18	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	18	suppressed
Synthroid	Levothyroxine Sodium	18	suppressed
Trulicity	Dulaglutide	18	suppressed
Alprazolam	Alprazolam	17	suppressed
Calcium Acetate	Calcium Acetate	17	suppressed
Liothyronine Sodium	Liothyronine Sodium	17	suppressed
Primidone	Primidone	17	suppressed
Enulose	Lactulose	16	suppressed
Felodipine Er	Felodipine	16	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	16	suppressed
Januvia	Sitagliptin Phosphate	16	suppressed
Metformin Hcl Er	Metformin Hcl	16	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	15	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	15	12
Fludrocortisone Acetate	Fludrocortisone Acetate	15	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	15	suppressed
Methotrexate	Methotrexate Sodium	15	suppressed
Mirabegron Er	Mirabegron	15	suppressed
Ozempic	Semaglutide	15	suppressed
Premarin	Estrogens, Conjugated	15	suppressed
Ranolazine Er	Ranolazine	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	suppressed
Verapamil Er	Verapamil Hcl	15	suppressed
Colesevelam Hcl	Colesevelam Hcl	14	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	14	12
Jantoven	Warfarin Sodium	14	suppressed
Mexiletine Hcl	Mexiletine Hcl	14	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	14	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	14	suppressed
Temazepam	Temazepam	14	suppressed
Vilazodone Hcl	Vilazodone Hcl	14	suppressed
Anastrozole	Anastrozole	13	suppressed
Galantamine Hbr	Galantamine Hbr	13	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	13	suppressed
Lactulose	Lactulose	13	suppressed
Novolog Flexpen	Insulin Aspart	13	suppressed
Phenytoin	Phenytoin	13	suppressed
Raloxifene Hcl	Raloxifene Hcl	13	suppressed
Triamterene	Triamterene	13	suppressed
Divalproex Sodium	Divalproex Sodium	12	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	12	suppressed
Humalog	Insulin Lispro	12	suppressed
Humalog Kwikpen U-100	Insulin Lispro	12	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	12	suppressed
Lidocaine Hcl	Lidocaine Hcl	12	suppressed
Lubiprostone	Lubiprostone	12	suppressed
Promethazine Hcl	Promethazine Hcl	12	suppressed
Propranolol Hcl	Propranolol Hcl	12	suppressed
Propranolol Hcl Er	Propranolol Hcl	12	suppressed
Rexulti	Brexpiprazole	12	suppressed
Spiriva Respimat	Tiotropium Bromide	12	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	12	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	12	suppressed
Levofloxacin	Levofloxacin	11	suppressed
Linzess	Linaclotide	11	suppressed
Morphine Sulfate	Morphine Sulfate	11	11
Nystatin	Nystatin	11	suppressed
Pregabalin	Pregabalin	11	suppressed
Rivastigmine	Rivastigmine Tartrate	11	suppressed
Terazosin Hcl	Terazosin Hcl	11	suppressed
Vancomycin Hcl	Vancomycin 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