Healthcare provider profile · identity verified

Chris H Chon, MD

Internal Medicine · SKOKIE, IL · NPI 1578550752

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	2759	797
Losartan Potassium	Losartan Potassium	1564	437
Omeprazole	Omeprazole	1433	506
Amlodipine Besylate	Amlodipine Besylate	1177	343
Metformin Hcl	Metformin Hcl	1060	290
Metoprolol Succinate	Metoprolol Succinate	1060	294
Levothyroxine Sodium	Levothyroxine Sodium	654	172
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	608	172
Alendronate Sodium	Alendronate Sodium	549	169
Tamsulosin Hcl	Tamsulosin Hcl	549	175
Simvastatin	Simvastatin	470	133
Glimepiride	Glimepiride	467	136
Metformin Hcl Er	Metformin Hcl	422	122
Fenofibrate	Fenofibrate	411	114
Lisinopril	Lisinopril	356	102
Hydrochlorothiazide	Hydrochlorothiazide	278	77
Januvia	Sitagliptin Phosphate	261	73
Gabapentin	Gabapentin	231	73
Donepezil Hcl	Donepezil Hcl	222	65
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	222	63
Meloxicam	Meloxicam	220	104
Pantoprazole Sodium	Pantoprazole Sodium	217	77
Atenolol	Atenolol	212	60
Potassium Chloride	Potassium Chloride	211	60
Famotidine	Famotidine	210	65
Hydrocortisone	Hydrocortisone	199	136
Azithromycin	Azithromycin	195	169
Rosuvastatin Calcium	Rosuvastatin Calcium	190	59
Pravastatin Sodium	Pravastatin Sodium	189	53
Glipizide	Glipizide	169	45
Finasteride	Finasteride	164	49
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	158	42
Ciprofloxacin Hcl	Ciprofloxacin Hcl	156	123
Baclofen	Baclofen	155	70
Carvedilol	Carvedilol	147	39
Zolpidem Tartrate	Zolpidem Tartrate	146	60
Allopurinol	Allopurinol	144	41
Valsartan	Valsartan	144	45
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	138	34
Clopidogrel	Clopidogrel Bisulfate	137	40
Ezetimibe	Ezetimibe	124	31
Nifedipine Er	Nifedipine	123	39
Eliquis	Apixaban	122	33
Alprazolam	Alprazolam	112	42
Sertraline Hcl	Sertraline Hcl	112	43
Trazodone Hcl	Trazodone Hcl	107	42
Furosemide	Furosemide	106	37
Lovastatin	Lovastatin	99	26
Meclizine Hcl	Meclizine Hcl	99	54
Pioglitazone Hcl	Pioglitazone Hcl	92	31
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	91	69
Triamcinolone Acetonide	Triamcinolone Acetonide	89	48
Paroxetine Hcl	Paroxetine Hcl	88	30
Doxazosin Mesylate	Doxazosin Mesylate	84	23
Fluticasone Propionate	Fluticasone Propionate	83	48
Tradjenta	Linagliptin	80	20
Tramadol Hcl	Tramadol Hcl	80	20
Lorazepam	Lorazepam	79	14
Metoprolol Tartrate	Metoprolol Tartrate	74	23
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	72	23
Duloxetine Hcl	Duloxetine Hcl	71	17
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	69	44
Dropsafe Prep Pads	Alcohol Antiseptic Pads	61	15
Spironolactone	Spironolactone	61	18
Acetaminophen-Codeine	Acetaminophen With Codeine	60	26
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	55	16
Albuterol Sulfate Hfa	Albuterol Sulfate	52	26
Mupirocin	Mupirocin	45	34
Alcohol Prep Pads	Alcohol Antiseptic Pads	44	15
Ibandronate Sodium	Ibandronate Sodium	44	16
Fenofibrate	Fenofibrate Nanocrystallized	43	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	43	43
Irbesartan	Irbesartan	42	13
Warfarin Sodium	Warfarin Sodium	42	suppressed
Fenofibrate	Fenofibrate,micronized	40	12
Vitamin D2	Ergocalciferol (Vitamin D2)	40	13
Mirtazapine	Mirtazapine	39	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	38	31
Methylprednisolone	Methylprednisolone	38	31
Olmesartan Medoxomil	Olmesartan Medoxomil	35	12
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	35	12
Amoxicillin	Amoxicillin	33	33
Isosorbide Mononitrate Er	Isosorbide Mononitrate	33	suppressed
Memantine Hcl	Memantine Hcl	33	11
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	31	suppressed
Celecoxib	Celecoxib	31	suppressed
Clonidine Hcl	Clonidine Hcl	29	suppressed
Montelukast Sodium	Montelukast Sodium	29	suppressed
Prednisone	Prednisone	29	suppressed
Sildenafil Citrate	Sildenafil Citrate	29	suppressed
Torsemide	Torsemide	29	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	28	suppressed
Digoxin	Digoxin	27	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	27	16
Oxybutynin Chloride Er	Oxybutynin Chloride	27	suppressed
Acyclovir	Acyclovir	26	15
Betamethasone Valerate	Betamethasone Valerate	26	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	26	suppressed
Zenpep	Lipase/Protease/Amylase	26	suppressed
Diclofenac Sodium	Diclofenac Sodium	25	suppressed
Tenofovir Disoproxil Fumarate	Tenofovir Disoproxil Fumarate	25	suppressed
Colestipol Hcl	Colestipol Hcl	24	suppressed
Levetiracetam	Levetiracetam	24	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	24	suppressed
Bupropion Xl	Bupropion Hcl	22	suppressed
Gemfibrozil	Gemfibrozil	22	suppressed
Glipizide Er	Glipizide	22	suppressed
Hydralazine Hcl	Hydralazine Hcl	22	suppressed
Single Use Swab	Alcohol Antiseptic Pads	22	suppressed
Cephalexin	Cephalexin	21	20
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	21	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	20	suppressed
Lubiprostone	Lubiprostone	20	suppressed
Pregabalin	Pregabalin	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Trueplus Pen Needle	Pen Needle, Diabetic	20	suppressed
Xarelto	Rivaroxaban	20	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	19	suppressed
Lactulose	Lactulose	19	suppressed
Clobetasol Propionate	Clobetasol Propionate	18	suppressed
Jardiance	Empagliflozin	17	suppressed
Lansoprazole	Lansoprazole	17	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	17	suppressed
Valacyclovir	Valacyclovir Hcl	17	13
Fluconazole	Fluconazole	16	11
Bumetanide	Bumetanide	15	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	15	suppressed
Carbamazepine	Carbamazepine	15	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	15	suppressed
Methimazole	Methimazole	15	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	15	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	15	15
Vascepa	Icosapent Ethyl	15	suppressed
Myrbetriq	Mirabegron	14	suppressed
Novolog Flexpen	Insulin Aspart	14	suppressed
Aripiprazole	Aripiprazole	13	suppressed
Clotrimazole	Clotrimazole	13	suppressed
Creon	Lipase/Protease/Amylase	13	suppressed
Indomethacin	Indomethacin	13	suppressed
Metronidazole	Metronidazole	13	suppressed
Terbinafine Hcl	Terbinafine Hcl	13	suppressed
Breo Ellipta	Fluticasone/Vilanterol	12	suppressed
Calcitonin-Salmon	Calcitonin,salmon,synthetic	12	suppressed
Clonazepam	Clonazepam	12	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	12	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	12	suppressed
Mometasone Furoate	Mometasone Furoate	12	suppressed
Amiodarone Hcl	Amiodarone Hcl	11	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	11	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	11	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	11	suppressed
Ozempic	Semaglutide	11	suppressed
Ranolazine Er	Ranolazine	11	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	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