Healthcare provider profile · identity verified

Shuowen Chen, MD

Family Practice · CLACKAMAS, OR · NPI 1083118053

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	586	179
Levothyroxine Sodium	Levothyroxine Sodium	364	95
Lisinopril	Lisinopril	308	92
Amlodipine Besylate	Amlodipine Besylate	277	96
Losartan Potassium	Losartan Potassium	269	83
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	224	53
Omeprazole	Omeprazole	224	70
Gabapentin	Gabapentin	213	61
Metoprolol Succinate	Metoprolol Succinate	201	57
Metformin Hcl	Metformin Hcl	175	49
Tamsulosin Hcl	Tamsulosin Hcl	173	50
Hydrochlorothiazide	Hydrochlorothiazide	164	51
Trazodone Hcl	Trazodone Hcl	149	46
Albuterol Sulfate Hfa	Albuterol Sulfate	125	50
Sertraline Hcl	Sertraline Hcl	124	30
Eliquis	Apixaban	118	35
Simvastatin	Simvastatin	110	36
Metoprolol Tartrate	Metoprolol Tartrate	109	22
Potassium Chloride	Potassium Chloride	109	41
Metformin Hcl Er	Metformin Hcl	106	39
Glipizide Er	Glipizide	102	36
Alendronate Sodium	Alendronate Sodium	98	31
Pravastatin Sodium	Pravastatin Sodium	98	33
Pantoprazole Sodium	Pantoprazole Sodium	94	35
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	83	30
Furosemide	Furosemide	75	38
Duloxetine Hcl	Duloxetine Hcl	72	22
Allopurinol	Allopurinol	67	20
Escitalopram Oxalate	Escitalopram Oxalate	65	21
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	61	13
Finasteride	Finasteride	58	17
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	58	suppressed
Pregabalin	Pregabalin	58	16
Rosuvastatin Calcium	Rosuvastatin Calcium	57	24
Citalopram Hbr	Citalopram Hydrobromide	54	18
Ozempic	Semaglutide	52	11
Carvedilol	Carvedilol	51	19
Fluoxetine Hcl	Fluoxetine Hcl	49	suppressed
Mounjaro	Tirzepatide	48	suppressed
Fluticasone Propionate	Fluticasone Propionate	47	25
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	46	14
Clonazepam	Clonazepam	45	17
Oxycodone Hcl	Oxycodone Hcl	45	14
Lorazepam	Lorazepam	44	12
Jardiance	Empagliflozin	43	suppressed
Lovastatin	Lovastatin	42	14
Aripiprazole	Aripiprazole	41	suppressed
Clopidogrel	Clopidogrel Bisulfate	41	18
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	40	suppressed
Tizanidine Hcl	Tizanidine Hcl	40	11
Zolpidem Tartrate	Zolpidem Tartrate	40	suppressed
Ondansetron Odt	Ondansetron	39	16
Quetiapine Fumarate	Quetiapine Fumarate	39	13
Levetiracetam	Levetiracetam	38	suppressed
Glipizide	Glipizide	37	suppressed
Nystatin	Nystatin	37	18
Famotidine	Famotidine	36	suppressed
Prednisone	Prednisone	33	25
Triamcinolone Acetonide	Triamcinolone Acetonide	33	24
Doxycycline Hyclate	Doxycycline Hyclate	32	30
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	32	11
Warfarin Sodium	Warfarin Sodium	32	suppressed
Donepezil Hcl	Donepezil Hcl	31	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	30	27
Atenolol	Atenolol	30	11
Pioglitazone Hcl	Pioglitazone Hcl	30	suppressed
Chlorthalidone	Chlorthalidone	29	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	29	suppressed
Montelukast Sodium	Montelukast Sodium	29	suppressed
Telmisartan	Telmisartan	27	12
Breo Ellipta	Fluticasone/Vilanterol	26	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	25	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	25	suppressed
Diclofenac Sodium	Diclofenac Sodium	24	14
Doxazosin Mesylate	Doxazosin Mesylate	24	suppressed
Olanzapine	Olanzapine	24	suppressed
Paroxetine Hcl	Paroxetine Hcl	24	suppressed
Cephalexin	Cephalexin	23	21
Sumatriptan Succinate	Sumatriptan Succinate	23	suppressed
Xarelto	Rivaroxaban	23	suppressed
Meloxicam	Meloxicam	22	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	22	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	22	suppressed
Acyclovir	Acyclovir	21	suppressed
Diazepam	Diazepam	21	suppressed
Ezetimibe	Ezetimibe	21	suppressed
Azithromycin	Azithromycin	20	14
Mirtazapine	Mirtazapine	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	19	suppressed
Clonidine Hcl	Clonidine Hcl	19	suppressed
Propranolol Hcl Er	Propranolol Hcl	19	suppressed
Tramadol Hcl	Tramadol Hcl	19	suppressed
Alprazolam	Alprazolam	18	suppressed
Baclofen	Baclofen	18	suppressed
Enalapril Maleate	Enalapril Maleate	18	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	17	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	17	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	17	suppressed
Rizatriptan	Rizatriptan Benzoate	17	suppressed
Sildenafil Citrate	Sildenafil Citrate	17	suppressed
Bupropion Xl	Bupropion Hcl	16	suppressed
Buspirone Hcl	Buspirone Hcl	16	suppressed
Fenofibrate	Fenofibrate	16	suppressed
Memantine Hcl	Memantine Hcl	16	suppressed
Travoprost	Travoprost	16	suppressed
Folic Acid	Folic Acid	15	suppressed
Humulin N Kwikpen	Insulin Nph Human Isophane	15	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	15	14
Risperidone	Risperidone	15	suppressed
Valacyclovir	Valacyclovir Hcl	15	suppressed
Cefuroxime	Cefuroxime Axetil	14	12
Colchicine	Colchicine	14	suppressed
Ibuprofen	Ibuprofen	14	suppressed
Mupirocin	Mupirocin	14	12
Valsartan	Valsartan	14	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	13	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	13	suppressed
Rybelsus	Semaglutide	13	suppressed
Ventolin Hfa	Albuterol Sulfate	13	suppressed
Dilantin	Phenytoin Sodium Extended	12	suppressed
Lamotrigine	Lamotrigine	12	suppressed
Lurasidone Hcl	Lurasidone Hcl	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Rivastigmine	Rivastigmine	12	suppressed
Torsemide	Torsemide	12	suppressed
Benazepril Hcl	Benazepril Hcl	11	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	11	suppressed
Estradiol	Estradiol	11	suppressed
Haloperidol	Haloperidol	11	suppressed
Ketoconazole	Ketoconazole	11	suppressed
Methocarbamol	Methocarbamol	11	suppressed
Naproxen	Naproxen	11	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	11	suppressed
Spironolactone	Spironolactone	11	suppressed
Xifaxan	Rifaximin	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