Healthcare provider profile · identity verified

David A Vastine, M.D.

Internal Medicine · SEVIERVILLE, TN · NPI 1154429033

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
Amlodipine Besylate	Amlodipine Besylate	375	109
Atorvastatin Calcium	Atorvastatin Calcium	350	95
Lisinopril	Lisinopril	308	81
Levothyroxine Sodium	Levothyroxine Sodium	300	79
Pantoprazole Sodium	Pantoprazole Sodium	273	84
Gabapentin	Gabapentin	247	42
Diclofenac Sodium	Diclofenac Sodium	194	73
Citalopram Hbr	Citalopram Hydrobromide	190	54
Rosuvastatin Calcium	Rosuvastatin Calcium	186	57
Losartan Potassium	Losartan Potassium	174	51
Metformin Hcl	Metformin Hcl	161	45
Hydrochlorothiazide	Hydrochlorothiazide	149	46
Pravastatin Sodium	Pravastatin Sodium	140	33
Irbesartan	Irbesartan	130	35
Omeprazole	Omeprazole	129	39
Metoprolol Succinate	Metoprolol Succinate	126	39
Ozempic	Semaglutide	122	28
Simvastatin	Simvastatin	115	32
Clopidogrel	Clopidogrel Bisulfate	99	23
Fluticasone Propionate	Fluticasone Propionate	97	36
Metoprolol Tartrate	Metoprolol Tartrate	97	26
Tamsulosin Hcl	Tamsulosin Hcl	92	27
Furosemide	Furosemide	88	30
Eliquis	Apixaban	85	21
Carvedilol	Carvedilol	83	28
Metformin Hcl Er	Metformin Hcl	74	22
Alendronate Sodium	Alendronate Sodium	71	24
Meloxicam	Meloxicam	70	27
Meclizine Hcl	Meclizine Hcl	69	19
Allopurinol	Allopurinol	65	19
Potassium Chloride	Potassium Chloride	65	19
Montelukast Sodium	Montelukast Sodium	62	17
Glimepiride	Glimepiride	59	15
Sertraline Hcl	Sertraline Hcl	59	18
Hydroxyzine Hcl	Hydroxyzine Hcl	57	17
Prednisone	Prednisone	56	44
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	54	14
Trazodone Hcl	Trazodone Hcl	54	18
Trulicity	Dulaglutide	54	suppressed
Famotidine	Famotidine	53	18
Paroxetine Hcl	Paroxetine Hcl	53	14
Olmesartan Medoxomil	Olmesartan Medoxomil	48	14
Tramadol Hcl	Tramadol Hcl	45	suppressed
Azelastine Hcl	Azelastine Hcl	44	16
Glipizide	Glipizide	43	13
Lovastatin	Lovastatin	43	suppressed
Finasteride	Finasteride	41	suppressed
Jardiance	Empagliflozin	41	15
Ropinirole Hcl	Ropinirole Hcl	41	suppressed
Tizanidine Hcl	Tizanidine Hcl	39	11
Farxiga	Dapagliflozin Propanediol	36	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	36	suppressed
Benazepril Hcl	Benazepril Hcl	35	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	35	suppressed
Spironolactone	Spironolactone	35	suppressed
Duloxetine Hcl	Duloxetine Hcl	34	12
Hydralazine Hcl	Hydralazine Hcl	33	suppressed
Ondansetron Hcl	Ondansetron Hcl	31	14
Oxybutynin Chloride Er	Oxybutynin Chloride	31	suppressed
Glipizide Er	Glipizide	29	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	29	11
Lansoprazole	Lansoprazole	28	suppressed
Ondansetron Odt	Ondansetron	28	suppressed
Symbicort	Budesonide/Formoterol Fumarate	28	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	28	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	27	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	27	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	26	suppressed
Atenolol	Atenolol	25	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	25	23
Testosterone Cypionate	Testosterone Cypionate	25	suppressed
Celecoxib	Celecoxib	24	suppressed
Pregabalin	Pregabalin	24	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	24	suppressed
Xarelto	Rivaroxaban	24	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	23	18
Fluoxetine Hcl	Fluoxetine Hcl	22	suppressed
Valsartan	Valsartan	22	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	21	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	21	suppressed
Lorazepam	Lorazepam	21	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Alprazolam	Alprazolam	19	suppressed
Fenofibrate	Fenofibrate	19	suppressed
Primidone	Primidone	19	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	18	suppressed
Donepezil Hcl	Donepezil Hcl	18	suppressed
Cefdinir	Cefdinir	17	17
Colchicine	Colchicine	17	suppressed
Memantine Hcl	Memantine Hcl	17	suppressed
Rybelsus	Semaglutide	17	suppressed
Clonidine Hcl	Clonidine Hcl	16	suppressed
Glyburide	Glyburide	16	suppressed
Mirtazapine	Mirtazapine	16	suppressed
Nabumetone	Nabumetone	16	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	16	suppressed
Risedronate Sodium	Risedronate Sodium	16	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	16	suppressed
Baclofen	Baclofen	15	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	15	suppressed
Buspirone Hcl	Buspirone Hcl	15	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	15	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	15	13
Enalapril Maleate	Enalapril Maleate	15	suppressed
Januvia	Sitagliptin Phosphate	15	suppressed
Nifedipine Er	Nifedipine	15	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	15	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	15	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	14	suppressed
Cefaclor	Cefaclor	14	13
Chlorthalidone	Chlorthalidone	14	suppressed
Novolog Flexpen	Insulin Aspart	14	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	14	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	13	suppressed
Clonazepam	Clonazepam	13	suppressed
Gemfibrozil	Gemfibrozil	13	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	12	suppressed
Calcitonin-Salmon	Calcitonin,salmon,synthetic	12	suppressed
Dilt-Xr	Diltiazem Hcl	12	suppressed
Ezetimibe	Ezetimibe	12	suppressed
Methocarbamol	Methocarbamol	12	suppressed
Propranolol Hcl	Propranolol Hcl	12	suppressed
Warfarin Sodium	Warfarin Sodium	12	suppressed
Breo Ellipta	Fluticasone/Vilanterol	11	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	11	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	11	suppressed
Spiriva Handihaler	Tiotropium Bromide	11	suppressed
Tresiba Flextouch U-100	Insulin Degludec	11	suppressed
Valacyclovir	Valacyclovir Hcl	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

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