Healthcare provider profile · identity verified

Sambhab Kumar, MD

Internal Medicine · DOVER, DE · NPI 1750359840

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	770	182
Amlodipine Besylate	Amlodipine Besylate	558	132
Levothyroxine Sodium	Levothyroxine Sodium	267	52
Lisinopril	Lisinopril	242	61
Metformin Hcl	Metformin Hcl	228	60
Metoprolol Tartrate	Metoprolol Tartrate	208	49
Potassium Chloride	Potassium Chloride	206	41
Losartan Potassium	Losartan Potassium	198	52
Furosemide	Furosemide	192	47
Hydrochlorothiazide	Hydrochlorothiazide	175	43
Carvedilol	Carvedilol	168	34
Gabapentin	Gabapentin	161	31
Quetiapine Fumarate	Quetiapine Fumarate	160	13
Tamsulosin Hcl	Tamsulosin Hcl	148	28
Mirtazapine	Mirtazapine	142	29
Finasteride	Finasteride	119	21
Metoprolol Succinate	Metoprolol Succinate	117	28
Hydralazine Hcl	Hydralazine Hcl	115	26
Eliquis	Apixaban	114	16
Omeprazole	Omeprazole	111	28
Rosuvastatin Calcium	Rosuvastatin Calcium	106	26
Clopidogrel	Clopidogrel Bisulfate	105	25
Diclofenac Sodium	Diclofenac Sodium	104	38
Simvastatin	Simvastatin	102	19
Atenolol	Atenolol	98	22
Tradjenta	Linagliptin	82	suppressed
Allopurinol	Allopurinol	81	20
Trazodone Hcl	Trazodone Hcl	80	12
Montelukast Sodium	Montelukast Sodium	75	14
Valsartan	Valsartan	74	19
Donepezil Hcl	Donepezil Hcl	72	suppressed
Pantoprazole Sodium	Pantoprazole Sodium	72	24
Warfarin Sodium	Warfarin Sodium	72	suppressed
Fluticasone Propionate	Fluticasone Propionate	68	21
Acarbose	Acarbose	67	11
Nifedipine Er	Nifedipine	64	11
Albuterol Sulfate Hfa	Albuterol Sulfate	63	24
Levetiracetam	Levetiracetam	60	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	59	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	54	suppressed
Sertraline Hcl	Sertraline Hcl	54	13
Novolog Mix 70-30 Flexpen	Insulin Aspart Prot/Insuln Asp	53	suppressed
Citalopram Hbr	Citalopram Hydrobromide	52	suppressed
Enulose	Lactulose	51	suppressed
Glimepiride	Glimepiride	49	15
Divalproex Sodium	Divalproex Sodium	48	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	46	11
Paroxetine Hcl	Paroxetine Hcl	45	suppressed
Breo Ellipta	Fluticasone/Vilanterol	44	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	44	suppressed
Alendronate Sodium	Alendronate Sodium	43	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	42	suppressed
Metformin Hcl Er	Metformin Hcl	42	11
Risperidone	Risperidone	42	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	41	12
Chlorthalidone	Chlorthalidone	40	suppressed
Memantine Hcl	Memantine Hcl	40	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	39	34
Myrbetriq	Mirabegron	39	suppressed
Prednisone	Prednisone	39	21
Triamcinolone Acetonide	Triamcinolone Acetonide	38	13
Candesartan Cilexetil	Candesartan Cilexetil	36	suppressed
Humalog Mix 75-25 Kwikpen	Insulin Lispro Protamin/Lispro	36	suppressed
Oseltamivir Phosphate	Oseltamivir Phosphate	36	29
Ozempic	Semaglutide	36	suppressed
Cephalexin	Cephalexin	35	21
Duloxetine Hcl	Duloxetine Hcl	35	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	34	suppressed
Baclofen	Baclofen	33	suppressed
Felodipine Er	Felodipine	32	suppressed
Ipratropium Bromide	Ipratropium Bromide	32	15
Nystatin	Nystatin	32	14
Fluoxetine Hcl	Fluoxetine Hcl	31	suppressed
Lubiprostone	Lubiprostone	31	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	31	11
Buspirone Hcl	Buspirone Hcl	29	suppressed
Olanzapine	Olanzapine	29	suppressed
Amiodarone Hcl	Amiodarone Hcl	28	suppressed
Januvia	Sitagliptin Phosphate	28	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	15
Clonidine Hcl	Clonidine Hcl	25	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	25	suppressed
Latanoprost	Latanoprost	25	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	25	suppressed
Famotidine	Famotidine	24	suppressed
Incruse Ellipta	Umeclidinium Bromide	24	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	22	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	22	suppressed
Ketoconazole	Ketoconazole	21	suppressed
Clonazepam	Clonazepam	20	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	19	suppressed
Humalog Kwikpen U-100	Insulin Lispro	19	suppressed
Lorazepam	Lorazepam	18	suppressed
Meclizine Hcl	Meclizine Hcl	18	suppressed
Spironolactone	Spironolactone	18	suppressed
Celecoxib	Celecoxib	17	suppressed
Hydrocortisone	Hydrocortisone	17	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	17	15
Linzess	Linaclotide	17	suppressed
Pravastatin Sodium	Pravastatin Sodium	17	suppressed
Ropinirole Hcl	Ropinirole Hcl	17	suppressed
Ventolin Hfa	Albuterol Sulfate	17	suppressed
Dutasteride	Dutasteride	16	suppressed
Jardiance	Empagliflozin	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	suppressed
Bumetanide	Bumetanide	15	suppressed
Diltiazem 24hr Er (La)	Diltiazem Hcl	15	suppressed
Entresto	Sacubitril/Valsartan	15	suppressed
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	15	suppressed
Lovastatin	Lovastatin	15	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	15	suppressed
Sotalol	Sotalol Hcl	15	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	14	suppressed
Movantik	Naloxegol Oxalate	14	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	14	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	14	12
Synthroid	Levothyroxine Sodium	14	suppressed
Fenofibrate	Fenofibrate	13	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	13	suppressed
Galantamine Hbr	Galantamine Hbr	13	suppressed
Glipizide	Glipizide	13	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	13	suppressed
Rivastigmine	Rivastigmine	13	suppressed
Symbicort	Budesonide/Formoterol Fumarate	13	suppressed
Bicalutamide	Bicalutamide	12	suppressed
Hydroxyurea	Hydroxyurea	12	suppressed
Klor-Con M20	Potassium Chloride	12	suppressed
Labetalol Hcl	Labetalol Hcl	12	suppressed
Nitroglycerin	Nitroglycerin	12	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	12	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	12	suppressed
Comfort Ez Pen Needle	Pen Needle, Diabetic	11	suppressed
Dimethyl Fumarate	Dimethyl Fumarate	11	suppressed
Fluconazole	Fluconazole	11	suppressed
Lactulose	Lactulose	11	suppressed
Verapamil Hcl	Verapamil 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