Healthcare provider profile · identity verified

Sumant Nagarkar, MD

Family Practice · RANCHO SANTA MARGARITA, CA · NPI 1316938871

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	672	385
Amlodipine Besylate	Amlodipine Besylate	326	181
Lisinopril	Lisinopril	315	191
Levothyroxine Sodium	Levothyroxine Sodium	282	173
Losartan Potassium	Losartan Potassium	251	146
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	195	107
Metformin Hcl	Metformin Hcl	186	118
Rosuvastatin Calcium	Rosuvastatin Calcium	181	114
Meloxicam	Meloxicam	178	116
Simvastatin	Simvastatin	167	102
Tamsulosin Hcl	Tamsulosin Hcl	162	82
Albuterol Sulfate Hfa	Albuterol Sulfate	152	114
Alendronate Sodium	Alendronate Sodium	140	86
Omeprazole	Omeprazole	140	107
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	137	76
Atenolol	Atenolol	129	84
Hydrochlorothiazide	Hydrochlorothiazide	129	84
Metformin Hcl Er	Metformin Hcl	121	76
Pantoprazole Sodium	Pantoprazole Sodium	116	76
Trazodone Hcl	Trazodone Hcl	109	62
Glipizide	Glipizide	107	72
Metoprolol Tartrate	Metoprolol Tartrate	94	58
Terazosin Hcl	Terazosin Hcl	94	58
Gabapentin	Gabapentin	89	66
Furosemide	Furosemide	86	57
Potassium Chloride	Potassium Chloride	83	56
Tramadol Hcl	Tramadol Hcl	80	53
Lorazepam	Lorazepam	62	39
Ibuprofen	Ibuprofen	61	46
Triamcinolone Acetonide	Triamcinolone Acetonide	60	41
Finasteride	Finasteride	59	33
Sertraline Hcl	Sertraline Hcl	57	30
Fluoxetine Hcl	Fluoxetine Hcl	52	27
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	49	20
Humulin N	Insulin Nph Human Isophane	48	26
Pradaxa	Dabigatran Etexilate Mesylate	48	39
Donepezil Hcl	Donepezil Hcl	47	16
Allopurinol	Allopurinol	46	32
Alprazolam	Alprazolam	46	22
Carvedilol	Carvedilol	46	29
Eliquis	Apixaban	46	14
Spiriva Respimat	Tiotropium Bromide	44	23
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	42	21
Clopidogrel	Clopidogrel Bisulfate	41	25
Estradiol	Estradiol	41	19
Temazepam	Temazepam	40	18
Jardiance	Empagliflozin	37	25
Ezetimibe	Ezetimibe	36	16
Glipizide-Metformin	Glipizide/Metformin Hcl	36	13
Azelastine Hcl	Azelastine Hcl	35	19
Lactulose	Lactulose	34	13
Pravastatin Sodium	Pravastatin Sodium	34	18
Quetiapine Fumarate	Quetiapine Fumarate	34	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	31	31
Zolpidem Tartrate	Zolpidem Tartrate	31	14
Duloxetine Hcl	Duloxetine Hcl	30	17
Prednisone	Prednisone	30	28
Testosterone	Testosterone	30	11
Wixela Inhub	Fluticasone Propion/Salmeterol	30	20
Acetaminophen-Codeine	Acetaminophen With Codeine	29	19
Cephalexin	Cephalexin	29	29
Alvesco	Ciclesonide	26	20
Clobetasol Propionate	Clobetasol Propionate	26	12
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	26	18
Naproxen	Naproxen	26	17
Nitroglycerin	Nitroglycerin	26	11
Doxycycline Monohydrate	Doxycycline Monohydrate	25	24
Hydralazine Hcl	Hydralazine Hcl	25	15
Hydrocortisone	Hydrocortisone	25	18
Isosorbide Mononitrate Er	Isosorbide Mononitrate	25	11
Ondansetron Odt	Ondansetron	25	17
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	24	24
Montelukast Sodium	Montelukast Sodium	24	18
Warfarin Sodium	Warfarin Sodium	24	suppressed
Ozempic	Semaglutide	23	19
Chlorhexidine Gluconate	Chlorhexidine Gluconate	22	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	22	13
Famotidine	Famotidine	21	18
Fenofibrate	Fenofibrate	21	13
Humulin N Kwikpen	Insulin Nph Human Isophane	21	12
Metoprolol Succinate	Metoprolol Succinate	21	13
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	21	21
Clindamycin Hcl	Clindamycin Hcl	20	15
Escitalopram Oxalate	Escitalopram Oxalate	20	12
Spironolactone	Spironolactone	20	11
Dicyclomine Hcl	Dicyclomine Hcl	19	11
Tizanidine Hcl	Tizanidine Hcl	19	14
Bupropion Xl	Bupropion Hcl	18	suppressed
Buspirone Hcl	Buspirone Hcl	18	14
Veo Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	18	13
Benazepril Hcl	Benazepril Hcl	17	suppressed
Colchicine	Colchicine	17	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	17	suppressed
Acyclovir	Acyclovir	16	15
Citalopram Hbr	Citalopram Hydrobromide	16	11
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	16	suppressed
Methocarbamol	Methocarbamol	16	suppressed
Adacel Tdap	Diph,pertuss(Acell),tet Vac/Pf	15	15
Baclofen	Baclofen	15	11
Bisoprolol Fumarate	Bisoprolol Fumarate	15	13
Lovastatin	Lovastatin	15	suppressed
Metronidazole	Metronidazole	15	13
Nystatin	Nystatin	15	15
Veo Insulin Syringe	Syrge-Ndl,ins 0.3 Ml Half Mark	15	11
Diazepam	Diazepam	14	suppressed
Fluocinolone Acetonide	Fluocinolone Acetonide	14	suppressed
Mirtazapine	Mirtazapine	14	suppressed
Retin-A	Tretinoin	14	suppressed
Xarelto	Rivaroxaban	14	11
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	13	12
Betamethasone Diprop Augmented	Betamethasone/Propylene Glyc	13	13
Digoxin	Digoxin	13	suppressed
Galantamine Er	Galantamine Hbr	13	suppressed
Gavilyte-C	Peg3350/Sod Sulf,bicarb,cl/Kcl	13	13
Glipizide Er	Glipizide	13	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	13	suppressed
Propranolol Hcl	Propranolol Hcl	13	suppressed
Veo Insulin Syringe	Syringe And Needle,insulin,1ml	13	suppressed
Amoxicillin	Amoxicillin	12	11
Azithromycin	Azithromycin	12	12
Hydroxyzine Hcl	Hydroxyzine Hcl	12	suppressed
Leflunomide	Leflunomide	12	suppressed
Memantine Hcl	Memantine Hcl	12	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	12	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Clonazepam	Clonazepam	11	suppressed
Nortriptyline Hcl	Nortriptyline 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