Healthcare provider profile · identity verified

Eric Lauron Tharmathurai, M.D.

Internal Medicine · HORNELL, NY · NPI 1679137764

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
Gabapentin	Gabapentin	180	56
Levothyroxine Sodium	Levothyroxine Sodium	180	54
Atorvastatin Calcium	Atorvastatin Calcium	168	65
Rosuvastatin Calcium	Rosuvastatin Calcium	158	58
Lisinopril	Lisinopril	150	51
Amlodipine Besylate	Amlodipine Besylate	144	54
Albuterol Sulfate Hfa	Albuterol Sulfate	133	42
Ozempic	Semaglutide	129	20
Metformin Hcl	Metformin Hcl	128	43
Omeprazole	Omeprazole	124	47
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	113	25
Losartan Potassium	Losartan Potassium	112	40
Famotidine	Famotidine	105	28
Pantoprazole Sodium	Pantoprazole Sodium	100	49
Metoprolol Succinate	Metoprolol Succinate	82	32
Meloxicam	Meloxicam	77	26
Eliquis	Apixaban	71	22
Sertraline Hcl	Sertraline Hcl	71	13
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	69	16
Clonazepam	Clonazepam	68	suppressed
Duloxetine Hcl	Duloxetine Hcl	67	20
Furosemide	Furosemide	67	29
Ezetimibe	Ezetimibe	64	29
Tamsulosin Hcl	Tamsulosin Hcl	62	26
Hydrochlorothiazide	Hydrochlorothiazide	60	20
Trazodone Hcl	Trazodone Hcl	58	19
Venlafaxine Hcl Er	Venlafaxine Hcl	57	12
Fluticasone Propionate	Fluticasone Propionate	53	26
Glipizide Er	Glipizide	51	15
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	50	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	49	13
Glipizide	Glipizide	47	16
Jardiance	Empagliflozin	47	18
Potassium Chloride	Potassium Chloride	46	18
Baclofen	Baclofen	45	15
Tramadol Hcl	Tramadol Hcl	45	16
Allopurinol	Allopurinol	44	16
Alprazolam	Alprazolam	43	12
Metformin Hcl Er	Metformin Hcl	43	19
Nortriptyline Hcl	Nortriptyline Hcl	43	11
Alendronate Sodium	Alendronate Sodium	40	12
Escitalopram Oxalate	Escitalopram Oxalate	38	11
Clopidogrel	Clopidogrel Bisulfate	37	17
Spironolactone	Spironolactone	37	13
Mirtazapine	Mirtazapine	36	11
Montelukast Sodium	Montelukast Sodium	34	14
Mounjaro	Tirzepatide	34	11
Clonidine Hcl	Clonidine Hcl	33	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	33	13
Xarelto	Rivaroxaban	33	11
Citalopram Hbr	Citalopram Hydrobromide	31	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	31	suppressed
Prednisone	Prednisone	31	16
Zolpidem Tartrate	Zolpidem Tartrate	31	suppressed
Aripiprazole	Aripiprazole	30	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	29	suppressed
Pregabalin	Pregabalin	29	suppressed
Diazepam	Diazepam	28	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	28	13
Trulicity	Dulaglutide	28	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	27	17
Buspirone Hcl	Buspirone Hcl	26	suppressed
Ketoconazole	Ketoconazole	26	suppressed
Lorazepam	Lorazepam	26	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	25	suppressed
Atenolol	Atenolol	25	12
Finasteride	Finasteride	25	suppressed
Farxiga	Dapagliflozin Propanediol	24	13
Spiriva Respimat	Tiotropium Bromide	24	suppressed
Carvedilol	Carvedilol	23	suppressed
Ondansetron Odt	Ondansetron	23	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	22	12
Meclizine Hcl	Meclizine Hcl	22	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	21	suppressed
Pravastatin Sodium	Pravastatin Sodium	21	suppressed
Diclofenac Sodium	Diclofenac Sodium	20	suppressed
Naproxen	Naproxen	20	suppressed
Torsemide	Torsemide	20	11
Amitriptyline Hcl	Amitriptyline Hcl	19	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Loperamide	Loperamide Hcl	19	suppressed
Methylprednisolone	Methylprednisolone	19	16
Warfarin Sodium	Warfarin Sodium	19	suppressed
Cephalexin	Cephalexin	18	14
Desloratadine	Desloratadine	18	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	18	14
Levetiracetam	Levetiracetam	18	suppressed
Simvastatin	Simvastatin	18	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Bupropion Xl	Bupropion Hcl	17	suppressed
Myrbetriq	Mirabegron	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	17	suppressed
Tizanidine Hcl	Tizanidine Hcl	17	suppressed
Ibuprofen	Ibuprofen	16	suppressed
Linzess	Linaclotide	16	suppressed
Ondansetron Hcl	Ondansetron Hcl	16	suppressed
Prazosin Hcl	Prazosin Hcl	16	suppressed
Synjardy Xr	Empagliflozin/Metformin Hcl	16	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	15	11
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	15	suppressed
Ropinirole Hcl	Ropinirole Hcl	15	suppressed
Rybelsus	Semaglutide	15	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	15	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	13	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	13	suppressed
Benazepril Hcl	Benazepril Hcl	13	suppressed
Breo Ellipta	Fluticasone/Vilanterol	13	suppressed
Breyna	Budesonide/Formoterol Fumarate	13	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	13	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	13	suppressed
Donepezil Hcl	Donepezil Hcl	13	suppressed
Hydrocortisone	Hydrocortisone	13	13
Incruse Ellipta	Umeclidinium Bromide	13	suppressed
Nystatin	Nystatin	13	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	12	suppressed
Paroxetine Hcl	Paroxetine Hcl	12	suppressed
Ramipril	Ramipril	12	suppressed
Synthroid	Levothyroxine Sodium	12	suppressed
Topiramate	Topiramate	12	suppressed
Azithromycin	Azithromycin	11	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	11	suppressed
Eplerenone	Eplerenone	11	suppressed
Ibandronate Sodium	Ibandronate Sodium	11	suppressed
Methadone Hcl	Methadone Hcl	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Symbicort	Budesonide/Formoterol Fumarate	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