Healthcare provider profile · identity verified

Page Y. Dardis, M.D.

Internal Medicine · BEAVERTON, OR · NPI 1831296367

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	709	209
Lisinopril	Lisinopril	465	140
Losartan Potassium	Losartan Potassium	432	123
Levothyroxine Sodium	Levothyroxine Sodium	337	92
Amlodipine Besylate	Amlodipine Besylate	309	92
Trazodone Hcl	Trazodone Hcl	224	49
Metoprolol Tartrate	Metoprolol Tartrate	211	60
Potassium Chloride	Potassium Chloride	200	62
Gabapentin	Gabapentin	196	54
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	196	29
Hydrochlorothiazide	Hydrochlorothiazide	191	62
Alendronate Sodium	Alendronate Sodium	184	56
Simvastatin	Simvastatin	184	53
Oxycodone Hcl	Oxycodone Hcl	154	33
Pantoprazole Sodium	Pantoprazole Sodium	150	57
Sertraline Hcl	Sertraline Hcl	150	47
Metformin Hcl	Metformin Hcl	146	42
Albuterol Sulfate Hfa	Albuterol Sulfate	136	54
Fluoxetine Hcl	Fluoxetine Hcl	132	40
Rosuvastatin Calcium	Rosuvastatin Calcium	131	42
Atenolol	Atenolol	124	36
Pradaxa	Dabigatran Etexilate Mesylate	122	43
Furosemide	Furosemide	114	37
Lorazepam	Lorazepam	113	31
Metformin Hcl Er	Metformin Hcl	102	34
Duloxetine Hcl	Duloxetine Hcl	90	26
Estradiol	Estradiol	88	38
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	84	13
Glipizide	Glipizide	79	19
Meloxicam	Meloxicam	75	28
Omeprazole	Omeprazole	69	19
Venlafaxine Hcl Er	Venlafaxine Hcl	67	16
Citalopram Hbr	Citalopram Hydrobromide	66	17
Metoprolol Succinate	Metoprolol Succinate	60	24
Donepezil Hcl	Donepezil Hcl	57	17
Ozempic	Semaglutide	56	13
Alvesco	Ciclesonide	54	19
Acyclovir	Acyclovir	53	16
Bupropion Xl	Bupropion Hcl	53	15
Temazepam	Temazepam	50	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	48	suppressed
Terazosin Hcl	Terazosin Hcl	47	14
Ondansetron Odt	Ondansetron	45	21
Warfarin Sodium	Warfarin Sodium	44	12
Alprazolam	Alprazolam	42	suppressed
Spironolactone	Spironolactone	41	15
Tamsulosin Hcl	Tamsulosin Hcl	40	14
Zolpidem Tartrate	Zolpidem Tartrate	40	suppressed
Clonazepam	Clonazepam	39	suppressed
Eliquis	Apixaban	38	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	38	16
Fluticasone Propionate	Fluticasone Propionate	37	14
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	36	suppressed
Pravastatin Sodium	Pravastatin Sodium	36	13
Clopidogrel	Clopidogrel Bisulfate	35	12
Mirtazapine	Mirtazapine	35	13
Tramadol Hcl	Tramadol Hcl	35	11
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	33	11
Shingrix	Varicella-Zoster Ge/As01b/Pf	33	30
Triamcinolone Acetonide	Triamcinolone Acetonide	33	26
Allopurinol	Allopurinol	32	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	31	suppressed
Propranolol Hcl	Propranolol Hcl	31	suppressed
Bupropion Hcl Sr	Bupropion Hcl	30	suppressed
Carvedilol	Carvedilol	30	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	30	12
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	30	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	30	suppressed
Spiriva Respimat	Tiotropium Bromide	29	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	28	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	28	suppressed
Montelukast Sodium	Montelukast Sodium	28	suppressed
Trospium Chloride	Trospium Chloride	28	suppressed
Pregabalin	Pregabalin	27	suppressed
Prednisone	Prednisone	26	15
Veo Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	25	suppressed
Humulin N	Insulin Nph Human Isophane	24	11
Valacyclovir	Valacyclovir Hcl	24	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	23	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	22	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	21	21
Famotidine	Famotidine	21	suppressed
Humalog Kwikpen U-100	Insulin Lispro	21	suppressed
Humulin R	Insulin Regular, Human	20	suppressed
Jardiance	Empagliflozin	20	suppressed
Azelaic Acid	Azelaic Acid	19	suppressed
Clonidine Hcl	Clonidine Hcl	19	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	19	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	19	suppressed
Rizatriptan	Rizatriptan Benzoate	19	suppressed
Betamethasone Diprop Augmented	Betamethasone/Propylene Glyc	18	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	18	suppressed
Topiramate	Topiramate	18	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	18	suppressed
Nystatin	Nystatin	17	suppressed
Oxazepam	Oxazepam	17	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	17	suppressed
Veo Insulin Syringe	Syringe And Needle,insulin,1ml	17	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	16	suppressed
Dabigatran Etexilate	Dabigatran Etexilate Mesylate	16	16
Estring	Estradiol	16	suppressed
Methocarbamol	Methocarbamol	16	suppressed
Azelastine Hcl	Azelastine Hcl	15	suppressed
Latanoprost	Latanoprost	15	suppressed
Paroxetine Hcl	Paroxetine Hcl	15	suppressed
Sucralfate	Sucralfate	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	14
Hydralazine Hcl	Hydralazine Hcl	14	suppressed
Methadone Hcl	Methadone Hcl	14	suppressed
Minoxidil	Minoxidil	14	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	14	12
Azithromycin	Azithromycin	13	12
Cephalexin	Cephalexin	13	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	13	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	12	suppressed
Breyna	Budesonide/Formoterol Fumarate	12	suppressed
Dulera	Mometasone/Formoterol	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Nitroglycerin	Nitroglycerin	12	11
Risperidone	Risperidone	12	suppressed
Verapamil Hcl	Verapamil Hcl	12	suppressed
Finasteride	Finasteride	11	suppressed
Ketoconazole	Ketoconazole	11	suppressed
Lovastatin	Lovastatin	11	suppressed
Naloxone Hcl	Naloxone Hcl	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Oxycontin	Oxycodone Hcl	11	suppressed
Risedronate Sodium	Risedronate Sodium	11	suppressed
Tenivac	Tetanus-Diphtheria Toxoids/Pf	11	11
Verapamil Er	Verapamil Hcl	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

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