Healthcare provider profile · identity verified

Jared Ko, M.D.

Internal Medicine · HUNTLEY, IL · NPI 1952369753

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	1012	307
Amlodipine Besylate	Amlodipine Besylate	790	239
Lisinopril	Lisinopril	664	192
Metoprolol Succinate	Metoprolol Succinate	530	156
Levothyroxine Sodium	Levothyroxine Sodium	485	134
Tamsulosin Hcl	Tamsulosin Hcl	455	136
Losartan Potassium	Losartan Potassium	446	140
Omeprazole	Omeprazole	368	116
Metformin Hcl	Metformin Hcl	314	105
Rosuvastatin Calcium	Rosuvastatin Calcium	306	106
Hydrochlorothiazide	Hydrochlorothiazide	244	82
Pantoprazole Sodium	Pantoprazole Sodium	232	82
Alprazolam	Alprazolam	215	52
Simvastatin	Simvastatin	209	62
Eliquis	Apixaban	184	49
Furosemide	Furosemide	175	63
Gabapentin	Gabapentin	173	69
Carvedilol	Carvedilol	163	47
Metoprolol Tartrate	Metoprolol Tartrate	159	52
Trazodone Hcl	Trazodone Hcl	154	45
Finasteride	Finasteride	138	40
Tramadol Hcl	Tramadol Hcl	121	36
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	116	38
Allopurinol	Allopurinol	109	36
Sertraline Hcl	Sertraline Hcl	104	38
Escitalopram Oxalate	Escitalopram Oxalate	101	28
Potassium Chloride	Potassium Chloride	101	37
Montelukast Sodium	Montelukast Sodium	94	35
Albuterol Sulfate Hfa	Albuterol Sulfate	91	38
Pioglitazone Hcl	Pioglitazone Hcl	82	26
Fluticasone Propionate	Fluticasone Propionate	80	25
Citalopram Hbr	Citalopram Hydrobromide	78	29
Pravastatin Sodium	Pravastatin Sodium	77	23
Donepezil Hcl	Donepezil Hcl	73	23
Duloxetine Hcl	Duloxetine Hcl	73	20
Meloxicam	Meloxicam	68	31
Atenolol	Atenolol	66	20
Metformin Hcl Er	Metformin Hcl	65	23
Zolpidem Tartrate	Zolpidem Tartrate	61	19
Lorazepam	Lorazepam	59	16
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	58	19
Clopidogrel	Clopidogrel Bisulfate	56	24
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	55	17
Lovastatin	Lovastatin	54	18
Warfarin Sodium	Warfarin Sodium	53	19
Glimepiride	Glimepiride	52	15
Alendronate Sodium	Alendronate Sodium	50	15
Ozempic	Semaglutide	48	suppressed
Bumetanide	Bumetanide	43	14
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	41	12
Clonidine Hcl	Clonidine Hcl	40	11
Irbesartan	Irbesartan	40	11
Jardiance	Empagliflozin	40	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	39	11
Meclizine Hcl	Meclizine Hcl	39	14
Temazepam	Temazepam	38	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	38	11
Fenofibrate	Fenofibrate	36	12
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	36	11
Glipizide Er	Glipizide	36	12
Memantine Hcl	Memantine Hcl	34	11
Benazepril Hcl	Benazepril Hcl	33	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	33	suppressed
Famotidine	Famotidine	33	12
Fenofibrate	Fenofibrate Nanocrystallized	33	suppressed
Celecoxib	Celecoxib	32	suppressed
Paroxetine Hcl	Paroxetine Hcl	32	suppressed
Nifedipine Er	Nifedipine	31	suppressed
Spironolactone	Spironolactone	31	13
Pregabalin	Pregabalin	30	suppressed
Xarelto	Rivaroxaban	30	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	29	suppressed
Buspirone Hcl	Buspirone Hcl	28	suppressed
Gemfibrozil	Gemfibrozil	28	suppressed
Hydralazine Hcl	Hydralazine Hcl	28	12
Chlorthalidone	Chlorthalidone	27	suppressed
Amiodarone Hcl	Amiodarone Hcl	26	suppressed
Januvia	Sitagliptin Phosphate	26	suppressed
Mirtazapine	Mirtazapine	26	suppressed
Tizanidine Hcl	Tizanidine Hcl	26	13
Synthroid	Levothyroxine Sodium	25	suppressed
Baclofen	Baclofen	24	12
Bupropion Hcl Sr	Bupropion Hcl	24	suppressed
Bupropion Xl	Bupropion Hcl	24	suppressed
Prednisone	Prednisone	24	16
Triamcinolone Acetonide	Triamcinolone Acetonide	24	11
Clonazepam	Clonazepam	23	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	23	suppressed
Valsartan	Valsartan	23	suppressed
Ropinirole Hcl	Ropinirole Hcl	22	suppressed
Ventolin Hfa	Albuterol Sulfate	22	suppressed
Verapamil Er	Verapamil Hcl	22	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	21	suppressed
Terazosin Hcl	Terazosin Hcl	21	suppressed
Topiramate	Topiramate	20	suppressed
Arnuity Ellipta	Fluticasone Furoate	19	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	19	suppressed
Valacyclovir	Valacyclovir Hcl	19	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	19	suppressed
Ezetimibe	Ezetimibe	18	suppressed
Lamotrigine	Lamotrigine	18	suppressed
Methocarbamol	Methocarbamol	18	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	18	suppressed
Solifenacin Succinate	Solifenacin Succinate	18	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	17	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	16	suppressed
Estradiol	Estradiol	16	suppressed
Farxiga	Dapagliflozin Propanediol	16	suppressed
Glipizide	Glipizide	16	11
Ramipril	Ramipril	16	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	15	suppressed
Folic Acid	Folic Acid	15	suppressed
Levetiracetam	Levetiracetam	15	suppressed
Myrbetriq	Mirabegron	15	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	15	suppressed
Symbicort	Budesonide/Formoterol Fumarate	15	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	14	suppressed
Bydureon Bcise	Exenatide Microspheres	14	suppressed
Dulera	Mometasone/Formoterol	14	suppressed
Enalapril Maleate	Enalapril Maleate	14	suppressed
Fenofibrate	Fenofibrate,micronized	14	suppressed
Midodrine Hcl	Midodrine Hcl	14	suppressed
Sildenafil Citrate	Sildenafil Citrate	14	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Colchicine	Colchicine	13	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	13	suppressed
Lansoprazole	Lansoprazole	13	suppressed
Mometasone Furoate	Mometasone Furoate	13	suppressed
Spiriva Respimat	Tiotropium Bromide	13	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	13	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	13	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	12	suppressed
Glyburide	Glyburide	12	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	12	suppressed
Novolog Flexpen	Insulin Aspart	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Amoxicillin	Amoxicillin	11	11
Bisoprolol Fumarate	Bisoprolol Fumarate	11	suppressed
Breyna	Budesonide/Formoterol Fumarate	11	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	11	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	11	11

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