Healthcare provider profile · identity verified

Stephanie S Looi, MD

Family Practice · CENTRALIA, WA · NPI 1649776063

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	802	263
Lisinopril	Lisinopril	507	171
Levothyroxine Sodium	Levothyroxine Sodium	487	148
Amlodipine Besylate	Amlodipine Besylate	393	143
Losartan Potassium	Losartan Potassium	334	115
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	285	60
Omeprazole	Omeprazole	276	96
Hydrochlorothiazide	Hydrochlorothiazide	240	87
Gabapentin	Gabapentin	229	84
Metoprolol Succinate	Metoprolol Succinate	201	76
Simvastatin	Simvastatin	191	62
Metformin Hcl	Metformin Hcl	186	66
Furosemide	Furosemide	179	64
Potassium Chloride	Potassium Chloride	171	55
Trazodone Hcl	Trazodone Hcl	171	59
Diclofenac Sodium	Diclofenac Sodium	162	71
Tamsulosin Hcl	Tamsulosin Hcl	158	61
Albuterol Sulfate Hfa	Albuterol Sulfate	150	65
Rosuvastatin Calcium	Rosuvastatin Calcium	150	47
Sertraline Hcl	Sertraline Hcl	133	43
Eliquis	Apixaban	132	37
Metformin Hcl Er	Metformin Hcl	117	48
Metoprolol Tartrate	Metoprolol Tartrate	116	42
Ozempic	Semaglutide	115	42
Pantoprazole Sodium	Pantoprazole Sodium	104	41
Jardiance	Empagliflozin	100	38
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	92	31
Citalopram Hbr	Citalopram Hydrobromide	85	31
Fluticasone Propionate	Fluticasone Propionate	84	43
Alendronate Sodium	Alendronate Sodium	79	28
Fluoxetine Hcl	Fluoxetine Hcl	75	23
Oxybutynin Chloride Er	Oxybutynin Chloride	73	23
Allopurinol	Allopurinol	70	22
Montelukast Sodium	Montelukast Sodium	70	20
Duloxetine Hcl	Duloxetine Hcl	67	23
Oxycodone Hcl	Oxycodone Hcl	67	12
Trulicity	Dulaglutide	66	20
Famotidine	Famotidine	65	25
Clopidogrel	Clopidogrel Bisulfate	61	22
Finasteride	Finasteride	59	21
Prednisone	Prednisone	59	43
Tramadol Hcl	Tramadol Hcl	58	19
Buspirone Hcl	Buspirone Hcl	54	17
Xarelto	Rivaroxaban	54	16
Triamcinolone Acetonide	Triamcinolone Acetonide	53	39
Isosorbide Mononitrate Er	Isosorbide Mononitrate	51	17
Alprazolam	Alprazolam	49	18
Atenolol	Atenolol	47	13
Meloxicam	Meloxicam	47	20
Carvedilol	Carvedilol	46	19
Donepezil Hcl	Donepezil Hcl	45	13
Glipizide Er	Glipizide	43	18
Hydroxyzine Hcl	Hydroxyzine Hcl	42	19
Pravastatin Sodium	Pravastatin Sodium	42	23
Sumatriptan Succinate	Sumatriptan Succinate	42	14
Bupropion Xl	Bupropion Hcl	41	16
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	41	17
Paroxetine Hcl	Paroxetine Hcl	41	13
Venlafaxine Hcl Er	Venlafaxine Hcl	41	15
Escitalopram Oxalate	Escitalopram Oxalate	39	12
Spironolactone	Spironolactone	39	14
Tizanidine Hcl	Tizanidine Hcl	38	11
Clonazepam	Clonazepam	37	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	37	11
Glipizide	Glipizide	36	18
Baclofen	Baclofen	35	20
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	32	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	31	11
Lansoprazole	Lansoprazole	31	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	31	suppressed
Aripiprazole	Aripiprazole	30	suppressed
Chlorthalidone	Chlorthalidone	29	12
Hydralazine Hcl	Hydralazine Hcl	29	12
Loperamide	Loperamide Hcl	29	suppressed
Estradiol	Estradiol	28	15
Lovastatin	Lovastatin	28	12
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	28	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	27	suppressed
Nystatin	Nystatin	26	15
Amitriptyline Hcl	Amitriptyline Hcl	25	suppressed
Benazepril Hcl	Benazepril Hcl	25	suppressed
Ezetimibe	Ezetimibe	25	suppressed
Lidocaine	Lidocaine	25	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	24	22
Ondansetron Odt	Ondansetron	24	20
Pregabalin	Pregabalin	24	suppressed
Topiramate	Topiramate	24	suppressed
Atropine Sulfate	Atropine Sulfate	23	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	23	13
Ibuprofen	Ibuprofen	23	suppressed
Lorazepam	Lorazepam	23	suppressed
Propranolol Hcl	Propranolol Hcl	23	suppressed
Ropinirole Hcl	Ropinirole Hcl	23	suppressed
Valsartan	Valsartan	23	suppressed
Digoxin	Digoxin	22	suppressed
Mirtazapine	Mirtazapine	22	suppressed
Ventolin Hfa	Albuterol Sulfate	22	suppressed
Fenofibrate	Fenofibrate	21	suppressed
Nyamyc	Nystatin	21	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Bumetanide	Bumetanide	20	suppressed
Ketoconazole	Ketoconazole	20	14
Methocarbamol	Methocarbamol	20	suppressed
Qvar Redihaler	Beclomethasone Dipropionate	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Torsemide	Torsemide	20	suppressed
Tresiba Flextouch U-200	Insulin Degludec	20	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	19	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	19	suppressed
Naproxen	Naproxen	19	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	19	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	18	suppressed
Terazosin Hcl	Terazosin Hcl	18	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	18	suppressed
Bupropion Hcl Sr	Bupropion Hcl	17	suppressed
Alcohol Pads	Alcohol Antiseptic Pads	16	suppressed
Alcohol Prep Pads	Alcohol Antiseptic Pads	16	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	16	suppressed
Nitroglycerin	Nitroglycerin	16	15
Venlafaxine Hcl	Venlafaxine Hcl	16	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	15	suppressed
Methimazole	Methimazole	15	suppressed
Atrovent Hfa	Ipratropium Bromide	14	suppressed
Clotrimazole	Clotrimazole	14	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	14	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	14	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	14	suppressed
Premarin	Estrogens, Conjugated	14	suppressed
Terbinafine Hcl	Terbinafine Hcl	14	12
Warfarin Sodium	Warfarin Sodium	14	suppressed
Acyclovir	Acyclovir	13	11
Enalapril Maleate	Enalapril Maleate	13	suppressed
Entresto	Sacubitril/Valsartan	13	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	13	suppressed
Incruse Ellipta	Umeclidinium Bromide	13	suppressed
Lactulose	Lactulose	13	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Levetiracetam	Levetiracetam	13	suppressed
Morphine Sulfate Er	Morphine Sulfate	13	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	13	suppressed
Primidone	Primidone	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	11
Valacyclovir	Valacyclovir Hcl	13	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	12	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	12	12
Bupropion Hcl	Bupropion Hcl	12	suppressed
Clorazepate Dipotassium	Clorazepate Dipotassium	12	suppressed
Diazepam	Diazepam	12	suppressed
Flecainide Acetate	Flecainide Acetate	12	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	12	suppressed
Memantine Hcl	Memantine Hcl	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Olanzapine Odt	Olanzapine	12	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	11	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	11	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	11	suppressed
Gemfibrozil	Gemfibrozil	11	suppressed
Glimepiride	Glimepiride	11	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	11	suppressed
Meclizine Hcl	Meclizine Hcl	11	suppressed
Metformin Er Gastric	Metformin Hcl	11	suppressed
Uloric	Febuxostat	11	suppressed
Ultra-Fine Mini 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