Healthcare provider profile · identity verified

Tammy E Vargas, M.D.

Family Practice · AUBURN, MA · NPI 1508803545

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	591	150
Amlodipine Besylate	Amlodipine Besylate	412	112
Lisinopril	Lisinopril	394	106
Levothyroxine Sodium	Levothyroxine Sodium	307	81
Rosuvastatin Calcium	Rosuvastatin Calcium	299	81
Metoprolol Succinate	Metoprolol Succinate	240	62
Omeprazole	Omeprazole	235	69
Gabapentin	Gabapentin	231	61
Losartan Potassium	Losartan Potassium	227	59
Metformin Hcl	Metformin Hcl	171	48
Albuterol Sulfate Hfa	Albuterol Sulfate	166	48
Hydrochlorothiazide	Hydrochlorothiazide	165	49
Pantoprazole Sodium	Pantoprazole Sodium	161	39
Metformin Hcl Er	Metformin Hcl	144	44
Tramadol Hcl	Tramadol Hcl	135	24
Lorazepam	Lorazepam	122	20
Oxycodone Hcl	Oxycodone Hcl	119	15
Simvastatin	Simvastatin	109	29
Furosemide	Furosemide	104	30
Citalopram Hbr	Citalopram Hydrobromide	94	27
Fluticasone Propionate	Fluticasone Propionate	85	35
Atenolol	Atenolol	83	22
Pravastatin Sodium	Pravastatin Sodium	77	21
Azithromycin	Azithromycin	74	61
Pregabalin	Pregabalin	74	27
Montelukast Sodium	Montelukast Sodium	70	19
Alendronate Sodium	Alendronate Sodium	68	23
Metoprolol Tartrate	Metoprolol Tartrate	68	21
Nystatin	Nystatin	68	24
Sertraline Hcl	Sertraline Hcl	67	21
Carvedilol	Carvedilol	62	17
Lidocaine	Lidocaine	62	24
Meclizine Hcl	Meclizine Hcl	57	22
Meloxicam	Meloxicam	57	17
Celecoxib	Celecoxib	54	16
Eliquis	Apixaban	54	14
Famotidine	Famotidine	54	18
Quetiapine Fumarate	Quetiapine Fumarate	54	15
Duloxetine Hcl	Duloxetine Hcl	53	13
Potassium Chloride	Potassium Chloride	53	17
Diclofenac Sodium	Diclofenac Sodium	52	19
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	51	18
Warfarin Sodium	Warfarin Sodium	51	12
Ibuprofen	Ibuprofen	49	14
Tizanidine Hcl	Tizanidine Hcl	46	14
Allopurinol	Allopurinol	42	12
Breo Ellipta	Fluticasone/Vilanterol	42	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	41	12
Mirtazapine	Mirtazapine	41	suppressed
Baclofen	Baclofen	38	suppressed
Ventolin Hfa	Albuterol Sulfate	38	12
Arnuity Ellipta	Fluticasone Furoate	36	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	36	12
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	36	suppressed
Sucralfate	Sucralfate	36	suppressed
Donepezil Hcl	Donepezil Hcl	35	suppressed
Clonazepam	Clonazepam	34	suppressed
Fenofibrate	Fenofibrate	34	suppressed
Amoxicillin	Amoxicillin	33	19
Prednisone	Prednisone	33	28
Clobetasol Propionate	Clobetasol Propionate	32	suppressed
Jardiance	Empagliflozin	31	suppressed
Ketoconazole	Ketoconazole	30	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	30	suppressed
Clopidogrel	Clopidogrel Bisulfate	29	suppressed
Ozempic	Semaglutide	29	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	29	suppressed
Enalapril Maleate	Enalapril Maleate	28	suppressed
Valsartan	Valsartan	28	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	27	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	27	suppressed
Ondansetron Hcl	Ondansetron Hcl	27	suppressed
Tamsulosin Hcl	Tamsulosin Hcl	27	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	26	25
Escitalopram Oxalate	Escitalopram Oxalate	26	suppressed
Trazodone Hcl	Trazodone Hcl	26	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	26	16
Esomeprazole Magnesium	Esomeprazole Magnesium	25	suppressed
Hydrocortisone	Hydrocortisone	24	suppressed
Januvia	Sitagliptin Phosphate	23	suppressed
Linzess	Linaclotide	23	suppressed
Topiramate	Topiramate	23	suppressed
Bupropion Xl	Bupropion Hcl	21	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	20	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	20	suppressed
Lovastatin	Lovastatin	19	suppressed
Ropinirole Hcl	Ropinirole Hcl	19	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	18	suppressed
Ezetimibe	Ezetimibe	17	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	17	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	16	suppressed
Estradiol	Estradiol	16	suppressed
Synthroid	Levothyroxine Sodium	16	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	15	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	15	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	15	15
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	15	suppressed
Memantine Hcl	Memantine Hcl	15	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	15	suppressed
Mupirocin	Mupirocin	15	suppressed
Ondansetron Odt	Ondansetron	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	13
Alprazolam	Alprazolam	14	suppressed
Creon	Lipase/Protease/Amylase	14	suppressed
Levetiracetam	Levetiracetam	14	suppressed
Risperidone	Risperidone	14	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	13	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	13	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	13	suppressed
Valacyclovir	Valacyclovir Hcl	13	suppressed
Clotrimazole	Clotrimazole	12	suppressed
Diazepam	Diazepam	12	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	12	suppressed
Doxepin Hcl	Doxepin Hcl	12	suppressed
Eletriptan Hbr	Eletriptan Hydrobromide	12	suppressed
Endocet	Oxycodone Hcl/Acetaminophen	12	suppressed
Fentanyl	Fentanyl	12	suppressed
Fluconazole	Fluconazole	12	suppressed
Lansoprazole	Lansoprazole	12	suppressed
Cefpodoxime Proxetil	Cefpodoxime Proxetil	11	suppressed
Chlorthalidone	Chlorthalidone	11	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	11	suppressed
Memantine Hcl Er	Memantine Hcl	11	suppressed
Mounjaro	Tirzepatide	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