Healthcare provider profile · identity verified

Joseph Liu

Family Practice · NORMAL, IL · NPI 1669564738

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	702	205
Lisinopril	Lisinopril	478	141
Levothyroxine Sodium	Levothyroxine Sodium	454	116
Amlodipine Besylate	Amlodipine Besylate	426	136
Losartan Potassium	Losartan Potassium	366	112
Rosuvastatin Calcium	Rosuvastatin Calcium	323	99
Metformin Hcl	Metformin Hcl	283	79
Simvastatin	Simvastatin	274	75
Metoprolol Succinate	Metoprolol Succinate	235	70
Pravastatin Sodium	Pravastatin Sodium	225	60
Tamsulosin Hcl	Tamsulosin Hcl	218	53
Omeprazole	Omeprazole	160	47
Hydrochlorothiazide	Hydrochlorothiazide	158	54
Gabapentin	Gabapentin	154	53
Atenolol	Atenolol	152	26
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	139	33
Montelukast Sodium	Montelukast Sodium	138	35
Furosemide	Furosemide	135	46
Fluticasone Propionate	Fluticasone Propionate	134	40
Carvedilol	Carvedilol	131	35
Tramadol Hcl	Tramadol Hcl	125	34
Sertraline Hcl	Sertraline Hcl	124	38
Alprazolam	Alprazolam	121	28
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	117	20
Pantoprazole Sodium	Pantoprazole Sodium	117	32
Allopurinol	Allopurinol	109	32
Eliquis	Apixaban	101	25
Ozempic	Semaglutide	101	19
Glipizide	Glipizide	92	28
Irbesartan	Irbesartan	90	29
Potassium Chloride	Potassium Chloride	89	28
Meloxicam	Meloxicam	88	37
Jardiance	Empagliflozin	83	27
Warfarin Sodium	Warfarin Sodium	83	19
Fluoxetine Hcl	Fluoxetine Hcl	82	25
Zolpidem Tartrate	Zolpidem Tartrate	81	18
Trazodone Hcl	Trazodone Hcl	80	29
Fenofibrate	Fenofibrate	79	22
Lorazepam	Lorazepam	76	21
Metoprolol Tartrate	Metoprolol Tartrate	74	20
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	69	24
Pregabalin	Pregabalin	69	20
Albuterol Sulfate Hfa	Albuterol Sulfate	68	27
Metformin Hcl Er	Metformin Hcl	62	19
Escitalopram Oxalate	Escitalopram Oxalate	61	20
Ezetimibe	Ezetimibe	55	16
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	53	suppressed
Finasteride	Finasteride	51	14
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	50	15
Clopidogrel	Clopidogrel Bisulfate	46	17
Propranolol Hcl	Propranolol Hcl	46	suppressed
Citalopram Hbr	Citalopram Hydrobromide	44	14
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	44	13
Spironolactone	Spironolactone	44	13
Alendronate Sodium	Alendronate Sodium	43	16
Clonazepam	Clonazepam	43	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	42	15
Duloxetine Hcl	Duloxetine Hcl	41	12
Buspirone Hcl	Buspirone Hcl	40	14
Triamcinolone Acetonide	Triamcinolone Acetonide	40	20
Venlafaxine Hcl Er	Venlafaxine Hcl	39	suppressed
Celecoxib	Celecoxib	37	13
Cephalexin	Cephalexin	37	25
Synthroid	Levothyroxine Sodium	37	13
Acetaminophen-Codeine	Acetaminophen With Codeine	36	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	36	suppressed
Nystatin	Nystatin	36	14
Mirtazapine	Mirtazapine	34	suppressed
Xarelto	Rivaroxaban	34	11
Pioglitazone Hcl	Pioglitazone Hcl	33	suppressed
Topiramate	Topiramate	30	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	29	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	29	suppressed
Lansoprazole	Lansoprazole	29	suppressed
Diclofenac Sodium	Diclofenac Sodium	28	suppressed
Lovastatin	Lovastatin	28	suppressed
Spiriva Handihaler	Tiotropium Bromide	28	suppressed
Ondansetron Odt	Ondansetron	27	12
Esomeprazole Magnesium	Esomeprazole Magnesium	26	suppressed
Klor-Con M20	Potassium Chloride	26	11
Mounjaro	Tirzepatide	26	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	26	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	25	suppressed
Hydralazine Hcl	Hydralazine Hcl	25	suppressed
Divalproex Sodium	Divalproex Sodium	24	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	24	suppressed
Glipizide Er	Glipizide	24	suppressed
Propranolol Hcl Er	Propranolol Hcl	24	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	23	11
Myrbetriq	Mirabegron	23	suppressed
Bupropion Xl	Bupropion Hcl	22	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	22	suppressed
Tizanidine Hcl	Tizanidine Hcl	22	suppressed
Acyclovir	Acyclovir	21	suppressed
Clonidine Hcl	Clonidine Hcl	21	suppressed
Nifedipine Er	Nifedipine	21	suppressed
Donepezil Hcl	Donepezil Hcl	19	suppressed
Ropinirole Hcl	Ropinirole Hcl	19	suppressed
Symbicort	Budesonide/Formoterol Fumarate	17	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	17	suppressed
Valacyclovir	Valacyclovir Hcl	17	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	16	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	16	suppressed
Famotidine	Famotidine	16	suppressed
Linzess	Linaclotide	16	suppressed
Olanzapine	Olanzapine	16	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	13
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	16	suppressed
Estradiol	Estradiol	15	suppressed
Minocycline Hcl	Minocycline Hcl	15	suppressed
Ssd	Silver Sulfadiazine	15	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	14	12
Humalog Kwikpen U-100	Insulin Lispro	14	suppressed
Methotrexate	Methotrexate Sodium	14	suppressed
Terazosin Hcl	Terazosin Hcl	14	suppressed
Valsartan	Valsartan	14	suppressed
Azithromycin	Azithromycin	13	suppressed
Imatinib Mesylate	Imatinib Mesylate	13	suppressed
Levocarnitine	Levocarnitine	13	suppressed
Novofine Autocover	Pen Needle, Diabetic, Safety	13	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	13	suppressed
Paroxetine Hcl	Paroxetine Hcl	13	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	13	13
Baclofen	Baclofen	12	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	12	suppressed
Glimepiride	Glimepiride	12	suppressed
Methylphenidate Er	Methylphenidate Hcl	12	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	11	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	11	suppressed
Eszopiclone	Eszopiclone	11	suppressed
Fentanyl	Fentanyl	11	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	11	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	11	suppressed
Ramipril	Ramipril	11	suppressed
Unifine Safecontrol Pen Needle	Pen Needle,dual Safety,diabetc	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