Healthcare provider profile · identity verified

Sunil John, MD

Internal Medicine · KNOXVILLE, TN · NPI 1912952177

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
Levothyroxine Sodium	Levothyroxine Sodium	824	172
Atorvastatin Calcium	Atorvastatin Calcium	541	148
Gabapentin	Gabapentin	442	97
Rosuvastatin Calcium	Rosuvastatin Calcium	431	130
Pantoprazole Sodium	Pantoprazole Sodium	381	112
Omeprazole	Omeprazole	330	94
Duloxetine Hcl	Duloxetine Hcl	318	78
Amlodipine Besylate	Amlodipine Besylate	317	89
Potassium Chloride	Potassium Chloride	312	84
Lorazepam	Lorazepam	287	54
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	277	58
Losartan Potassium	Losartan Potassium	259	73
Albuterol Sulfate Hfa	Albuterol Sulfate	253	71
Trazodone Hcl	Trazodone Hcl	250	61
Mounjaro	Tirzepatide	248	64
Simvastatin	Simvastatin	225	60
Clonazepam	Clonazepam	217	34
Montelukast Sodium	Montelukast Sodium	208	64
Tramadol Hcl	Tramadol Hcl	201	47
Furosemide	Furosemide	199	66
Metoprolol Succinate	Metoprolol Succinate	199	51
Lisinopril	Lisinopril	198	62
Hydralazine Hcl	Hydralazine Hcl	184	36
Alprazolam	Alprazolam	176	32
Fluticasone Propionate	Fluticasone Propionate	170	56
Ezetimibe	Ezetimibe	167	42
Famotidine	Famotidine	164	48
Tizanidine Hcl	Tizanidine Hcl	163	58
Eliquis	Apixaban	162	31
Tamsulosin Hcl	Tamsulosin Hcl	152	48
Ozempic	Semaglutide	146	37
Quetiapine Fumarate	Quetiapine Fumarate	146	32
Pravastatin Sodium	Pravastatin Sodium	144	41
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	142	37
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	139	41
Allopurinol	Allopurinol	136	39
Jardiance	Empagliflozin	128	37
Metformin Hcl	Metformin Hcl	126	36
Sertraline Hcl	Sertraline Hcl	124	34
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	123	31
Atenolol	Atenolol	122	33
Bupropion Xl	Bupropion Hcl	113	38
Carvedilol	Carvedilol	113	36
Methylprednisolone	Methylprednisolone	112	85
Metoprolol Tartrate	Metoprolol Tartrate	111	34
Fluoxetine Hcl	Fluoxetine Hcl	109	28
Venlafaxine Hcl Er	Venlafaxine Hcl	109	34
Citalopram Hbr	Citalopram Hydrobromide	99	33
Pregabalin	Pregabalin	96	21
Oxycodone Hcl	Oxycodone Hcl	95	16
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	93	15
Diclofenac Sodium	Diclofenac Sodium	90	33
Glimepiride	Glimepiride	89	26
Metformin Hcl Er	Metformin Hcl	85	27
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	79	24
Clopidogrel	Clopidogrel Bisulfate	78	25
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	77	21
Prednisone	Prednisone	74	48
Spironolactone	Spironolactone	73	24
Tresiba Flextouch U-200	Insulin Degludec	73	13
Hydrochlorothiazide	Hydrochlorothiazide	72	22
Azithromycin	Azithromycin	70	50
Topiramate	Topiramate	70	18
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	67	20
Donepezil Hcl	Donepezil Hcl	66	15
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	63	25
Nystatin	Nystatin	62	31
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	61	21
Linzess	Linaclotide	60	14
Amitriptyline Hcl	Amitriptyline Hcl	59	21
Finasteride	Finasteride	59	20
Bumetanide	Bumetanide	57	13
Escitalopram Oxalate	Escitalopram Oxalate	56	21
Doxazosin Mesylate	Doxazosin Mesylate	54	18
Fluconazole	Fluconazole	54	29
Buspirone Hcl	Buspirone Hcl	53	19
Farxiga	Dapagliflozin Propanediol	51	12
Benazepril Hcl	Benazepril Hcl	50	13
Olmesartan Medoxomil	Olmesartan Medoxomil	50	19
Baclofen	Baclofen	49	12
Estradiol	Estradiol	49	18
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	49	15
Chlorthalidone	Chlorthalidone	48	18
Esomeprazole Magnesium	Esomeprazole Magnesium	47	15
Meloxicam	Meloxicam	47	24
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	47	suppressed
Azelastine Hcl	Azelastine Hcl	44	15
Ramipril	Ramipril	44	12
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	43	suppressed
Myrbetriq	Mirabegron	43	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	42	36
Synthroid	Levothyroxine Sodium	42	suppressed
Temazepam	Temazepam	42	suppressed
Irbesartan	Irbesartan	39	11
Risperidone	Risperidone	39	suppressed
Valsartan	Valsartan	38	12
Warfarin Sodium	Warfarin Sodium	38	suppressed
Alendronate Sodium	Alendronate Sodium	37	12
Mirtazapine	Mirtazapine	37	12
Lamotrigine	Lamotrigine	36	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	36	14
Tresiba Flextouch U-100	Insulin Degludec	36	suppressed
Amlodipine-Olmesartan	Amlodipine Bes/Olmesartan Med	35	13
Hydroxyzine Hcl	Hydroxyzine Hcl	35	13
Clonidine Hcl	Clonidine Hcl	34	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	34	11
Sucralfate	Sucralfate	34	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	33	15
Oxybutynin Chloride Er	Oxybutynin Chloride	33	suppressed
Ibandronate Sodium	Ibandronate Sodium	31	11
Ciprofloxacin Hcl	Ciprofloxacin Hcl	30	26
Clotrimazole	Clotrimazole	30	19
Diazepam	Diazepam	30	14
Memantine Hcl	Memantine Hcl	30	suppressed
Methotrexate	Methotrexate Sodium	30	suppressed
Ondansetron Odt	Ondansetron	30	16
Propranolol Hcl	Propranolol Hcl	30	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	30	suppressed
Acyclovir	Acyclovir	29	18
Entresto	Sacubitril/Valsartan	29	suppressed
Nebivolol Hcl	Nebivolol Hcl	29	suppressed
Breo Ellipta	Fluticasone/Vilanterol	28	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	28	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	27	suppressed
Vraylar	Cariprazine Hcl	27	suppressed
Novolog Flexpen	Insulin Aspart	26	11
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	26	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	26	25
Trulicity	Dulaglutide	26	suppressed
Zaleplon	Zaleplon	26	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	25	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	24	21
Labetalol Hcl	Labetalol Hcl	24	suppressed
Movantik	Naloxegol Oxalate	24	suppressed
Verapamil Er	Verapamil Hcl	24	suppressed
Xarelto	Rivaroxaban	24	suppressed
Ondansetron Hcl	Ondansetron Hcl	23	15
Ventolin Hfa	Albuterol Sulfate	23	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	23	suppressed
Amiodarone Hcl	Amiodarone Hcl	22	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	22	suppressed
Colchicine	Colchicine	22	suppressed
Epinephrine	Epinephrine	22	12
Ranolazine Er	Ranolazine	22	suppressed
Butorphanol Tartrate	Butorphanol Tartrate	21	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	21	suppressed
Oxcarbazepine	Oxcarbazepine	21	suppressed
Amoxicillin	Amoxicillin	20	15
Levetiracetam	Levetiracetam	20	suppressed
Promethazine Hcl	Promethazine Hcl	20	suppressed
Ropinirole Hcl	Ropinirole Hcl	20	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	20	15
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	20	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	19	suppressed
Lansoprazole	Lansoprazole	19	suppressed
Morphine Sulfate Er	Morphine Sulfate	19	suppressed
Aripiprazole	Aripiprazole	18	suppressed
Divalproex Sodium	Divalproex Sodium	18	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	18	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	18	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	18	suppressed
Paroxetine Hcl	Paroxetine Hcl	18	suppressed
Sotalol	Sotalol Hcl	18	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	18	18
Colesevelam Hcl	Colesevelam Hcl	17	suppressed
Lovastatin	Lovastatin	17	suppressed
Primidone	Primidone	17	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	16	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	16	suppressed
Humalog Kwikpen U-100	Insulin Lispro	16	suppressed
Lactulose	Lactulose	16	suppressed
Naproxen	Naproxen	16	suppressed
Prazosin Hcl	Prazosin Hcl	16	suppressed
Testosterone Cypionate	Testosterone Cypionate	16	suppressed
Bupropion Hcl	Bupropion Hcl	15	suppressed
Humira	Adalimumab	15	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	15	suppressed
Lubiprostone	Lubiprostone	15	suppressed
Solifenacin Succinate	Solifenacin Succinate	15	suppressed
Vyvanse	Lisdexamfetamine Dimesylate	15	suppressed
Calcitriol	Calcitriol	14	suppressed
Candesartan-Hydrochlorothiazid	Candesartan/Hydrochlorothiazid	14	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	14	suppressed
Fetzima	Levomilnacipran Hcl	14	suppressed
Propranolol Hcl Er	Propranolol Hcl	14	suppressed
Zolmitriptan	Zolmitriptan	14	suppressed
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	13	suppressed
Creon	Lipase/Protease/Amylase	13	suppressed
Diclofenac Potassium	Diclofenac Potassium	13	suppressed
Nifedipine Er	Nifedipine	13	suppressed
Nitroglycerin	Nitroglycerin	13	suppressed
Olmesartan-Amlodipine-Hctz	Olmesartan/Amlodipin/Hcthiazid	13	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	13	suppressed
Soliqua 100-33	Insulin Glargine/Lixisenatide	13	suppressed
Sulfasalazine Dr	Sulfasalazine	13	suppressed
Amlodipine-Atorvastatin	Amlodipine/Atorvastatin	12	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	12	suppressed
Cartia Xt	Diltiazem Hcl	12	suppressed
Dexlansoprazole Dr	Dexlansoprazole	12	suppressed
Folic Acid	Folic Acid	12	suppressed
Gemtesa	Vibegron	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Novolin R	Insulin Regular, Human	12	suppressed
Repatha Sureclick	Evolocumab	12	suppressed
Ketoconazole	Ketoconazole	11	suppressed
Klor-Con M20	Potassium Chloride	11	suppressed
Midodrine Hcl	Midodrine Hcl	11	suppressed
Repatha Syringe	Evolocumab	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