Healthcare provider profile · identity verified

Samuel L Dandar, M.D.

Family Practice · LEAVENWORTH, KS · NPI 1306840012

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	317	84
Rosuvastatin Calcium	Rosuvastatin Calcium	302	97
Atorvastatin Calcium	Atorvastatin Calcium	289	105
Gabapentin	Gabapentin	266	76
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	246	58
Amlodipine Besylate	Amlodipine Besylate	239	74
Metformin Hcl	Metformin Hcl	190	60
Alprazolam	Alprazolam	187	41
Lisinopril	Lisinopril	179	63
Famotidine	Famotidine	176	58
Albuterol Sulfate Hfa	Albuterol Sulfate	170	55
Tramadol Hcl	Tramadol Hcl	143	35
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	137	12
Duloxetine Hcl	Duloxetine Hcl	130	38
Tamsulosin Hcl	Tamsulosin Hcl	124	40
Pantoprazole Sodium	Pantoprazole Sodium	115	36
Metformin Hcl Er	Metformin Hcl	114	37
Metoprolol Succinate	Metoprolol Succinate	113	43
Furosemide	Furosemide	111	36
Prednisone	Prednisone	110	49
Valsartan	Valsartan	106	30
Omeprazole	Omeprazole	105	29
Fluticasone Propionate	Fluticasone Propionate	101	41
Montelukast Sodium	Montelukast Sodium	98	28
Morphine Sulfate Er	Morphine Sulfate	96	15
Losartan Potassium	Losartan Potassium	92	31
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	92	19
Trulicity	Dulaglutide	92	19
Oxycodone Hcl	Oxycodone Hcl	89	20
Pregabalin	Pregabalin	81	13
Allopurinol	Allopurinol	80	22
Eliquis	Apixaban	80	20
Ezetimibe	Ezetimibe	78	23
Jardiance	Empagliflozin	78	24
Buprenorphine Hcl	Buprenorphine Hcl	77	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	76	22
Simvastatin	Simvastatin	76	20
Carvedilol	Carvedilol	72	25
Morphine Sulfate	Morphine Sulfate	72	12
Sertraline Hcl	Sertraline Hcl	72	20
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	71	25
Ozempic	Semaglutide	71	17
Escitalopram Oxalate	Escitalopram Oxalate	68	19
Bupropion Xl	Bupropion Hcl	65	14
Methocarbamol	Methocarbamol	65	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	63	19
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	61	13
Quetiapine Fumarate	Quetiapine Fumarate	60	12
Testosterone Cypionate	Testosterone Cypionate	60	13
Tramadol Hcl Er	Tramadol Hcl	60	suppressed
Lorazepam	Lorazepam	57	suppressed
Dutasteride	Dutasteride	56	16
Hydrochlorothiazide	Hydrochlorothiazide	56	19
Potassium Chloride	Potassium Chloride	56	20
Tizanidine Hcl	Tizanidine Hcl	53	13
Ondansetron Odt	Ondansetron	49	12
Ropinirole Hcl	Ropinirole Hcl	47	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	46	27
Glipizide Er	Glipizide	45	14
Doxazosin Mesylate	Doxazosin Mesylate	43	13
Doxycycline Hyclate	Doxycycline Hyclate	41	25
Naloxone Hcl	Naloxone Hcl	41	37
Irbesartan	Irbesartan	40	13
Warfarin Sodium	Warfarin Sodium	40	11
Finasteride	Finasteride	39	12
Trazodone Hcl	Trazodone Hcl	39	15
Zolpidem Tartrate	Zolpidem Tartrate	39	suppressed
Estradiol	Estradiol	38	suppressed
Nitroglycerin	Nitroglycerin	38	23
Oxycontin	Oxycodone Hcl	38	suppressed
Spironolactone	Spironolactone	38	14
Memantine Hcl	Memantine Hcl	37	suppressed
Donepezil Hcl	Donepezil Hcl	36	suppressed
Buspirone Hcl	Buspirone Hcl	35	suppressed
Nystatin	Nystatin	35	13
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	34	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	34	suppressed
Meloxicam	Meloxicam	34	11
Mounjaro	Tirzepatide	34	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	34	suppressed
Clonidine Hcl	Clonidine Hcl	33	suppressed
Clopidogrel	Clopidogrel Bisulfate	32	12
Pravastatin Sodium	Pravastatin Sodium	32	suppressed
Xarelto	Rivaroxaban	32	suppressed
Eszopiclone	Eszopiclone	31	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	31	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	30	suppressed
Valacyclovir	Valacyclovir Hcl	30	suppressed
Baclofen	Baclofen	29	suppressed
Celecoxib	Celecoxib	29	suppressed
Xtampza Er	Oxycodone Myristate	29	suppressed
Paroxetine Hcl	Paroxetine Hcl	28	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	27	suppressed
Fentanyl	Fentanyl	26	suppressed
Amoxicillin	Amoxicillin	25	11
Dicyclomine Hcl	Dicyclomine Hcl	25	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	25	suppressed
Torsemide	Torsemide	25	suppressed
Alendronate Sodium	Alendronate Sodium	23	suppressed
Clonazepam	Clonazepam	23	suppressed
Diazepam	Diazepam	23	suppressed
Varenicline Tartrate	Varenicline Tartrate	23	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	23	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	22	suppressed
Linzess	Linaclotide	22	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	22	suppressed
Aripiprazole	Aripiprazole	21	suppressed
Chlorthalidone	Chlorthalidone	21	suppressed
Symbicort	Budesonide/Formoterol Fumarate	21	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	20	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	20	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	19	16
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	19	13
Sumatriptan Succinate	Sumatriptan Succinate	19	suppressed
Synthroid	Levothyroxine Sodium	19	suppressed
Fluconazole	Fluconazole	18	14
Levofloxacin	Levofloxacin	18	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	18	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	17	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	17	suppressed
Ondansetron Hcl	Ondansetron Hcl	17	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	17	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	16	suppressed
Ibuprofen	Ibuprofen	16	suppressed
Lidocaine	Lidocaine	16	suppressed
Rizatriptan	Rizatriptan Benzoate	16	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	15	13
Farxiga	Dapagliflozin Propanediol	15	suppressed
Glimepiride	Glimepiride	15	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	15	suppressed
Topiramate	Topiramate	15	suppressed
Novolin N	Insulin Nph Human Isophane	14	suppressed
Propranolol Hcl Er	Propranolol Hcl	14	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	14	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Hydralazine Hcl	Hydralazine Hcl	13	suppressed
Hydrocortisone	Hydrocortisone	13	suppressed
Hysingla Er	Hydrocodone Bitartrate	13	suppressed
Ketoconazole	Ketoconazole	13	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	13	suppressed
Atenolol	Atenolol	12	suppressed
Methylphenidate Er	Methylphenidate Hcl	12	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	12	12
Phenobarbital	Phenobarbital	12	suppressed
Prochlorperazine Maleate	Prochlorperazine Maleate	12	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	12	suppressed
Ramipril	Ramipril	12	suppressed
Solifenacin Succinate	Solifenacin Succinate	12	suppressed
Azelastine Hcl	Azelastine Hcl	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Lovastatin	Lovastatin	11	suppressed
Methadone Hcl	Methadone Hcl	11	suppressed
Methylprednisolone	Methylprednisolone	11	suppressed
Roflumilast	Roflumilast	11	suppressed
Tresiba Flextouch U-100	Insulin Degludec	11	suppressed
Ventolin Hfa	Albuterol Sulfate	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