Healthcare provider profile · identity verified

Patrick Y Yao, MD

Internal Medicine · LOS ANGELES, CA · NPI 1235159377

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	911	272
Amlodipine Besylate	Amlodipine Besylate	556	167
Metformin Hcl	Metformin Hcl	344	100
Losartan Potassium	Losartan Potassium	296	89
Levothyroxine Sodium	Levothyroxine Sodium	270	71
Rosuvastatin Calcium	Rosuvastatin Calcium	250	83
Escitalopram Oxalate	Escitalopram Oxalate	221	54
Pantoprazole Sodium	Pantoprazole Sodium	184	65
Tamsulosin Hcl	Tamsulosin Hcl	184	61
Metoprolol Succinate	Metoprolol Succinate	181	55
Hydrochlorothiazide	Hydrochlorothiazide	158	50
Gabapentin	Gabapentin	130	44
Pravastatin Sodium	Pravastatin Sodium	130	38
Omeprazole	Omeprazole	128	47
Finasteride	Finasteride	121	36
Zolpidem Tartrate	Zolpidem Tartrate	120	40
Simvastatin	Simvastatin	119	31
Famotidine	Famotidine	113	44
Olmesartan Medoxomil	Olmesartan Medoxomil	112	35
Ezetimibe	Ezetimibe	110	32
Lisinopril	Lisinopril	110	34
Albuterol Sulfate Hfa	Albuterol Sulfate	98	34
Eliquis	Apixaban	98	32
Synthroid	Levothyroxine Sodium	89	24
Alprazolam	Alprazolam	86	38
Trazodone Hcl	Trazodone Hcl	83	27
Celecoxib	Celecoxib	80	17
Carvedilol	Carvedilol	77	27
Azithromycin	Azithromycin	72	52
Fluticasone Propionate	Fluticasone Propionate	71	35
Metoprolol Tartrate	Metoprolol Tartrate	68	21
Telmisartan	Telmisartan	66	21
Atenolol	Atenolol	65	22
Benazepril Hcl	Benazepril Hcl	65	19
Valsartan	Valsartan	62	18
Lorazepam	Lorazepam	61	23
Bupropion Xl	Bupropion Hcl	60	18
Meloxicam	Meloxicam	60	21
Sertraline Hcl	Sertraline Hcl	59	16
Triamcinolone Acetonide	Triamcinolone Acetonide	59	30
Allopurinol	Allopurinol	58	19
Montelukast Sodium	Montelukast Sodium	57	18
Alfuzosin Hcl Er	Alfuzosin Hcl	53	15
Jardiance	Empagliflozin	52	16
Ozempic	Semaglutide	52	suppressed
Diclofenac Sodium	Diclofenac Sodium	51	20
Valacyclovir	Valacyclovir Hcl	50	20
Fenofibrate	Fenofibrate Nanocrystallized	46	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	44	44
Mirtazapine	Mirtazapine	43	18
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	42	17
Duloxetine Hcl	Duloxetine Hcl	41	13
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	41	12
Metformin Hcl Er	Metformin Hcl	41	16
Oxycodone Hcl	Oxycodone Hcl	40	13
Fluoxetine Hcl	Fluoxetine Hcl	39	13
Mounjaro	Tirzepatide	39	suppressed
Januvia	Sitagliptin Phosphate	38	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	38	suppressed
Baclofen	Baclofen	37	17
Clopidogrel	Clopidogrel Bisulfate	37	13
Mupirocin	Mupirocin	36	15
Fluocinonide	Fluocinonide	35	17
Lansoprazole	Lansoprazole	35	suppressed
Potassium Chloride	Potassium Chloride	35	17
Estradiol	Estradiol	34	12
Clonazepam	Clonazepam	33	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	32	11
Hydrocortisone	Hydrocortisone	32	suppressed
Nystatin	Nystatin	32	suppressed
Testosterone	Testosterone	32	11
Tramadol Hcl	Tramadol Hcl	32	17
Cephalexin	Cephalexin	31	25
Testosterone Cypionate	Testosterone Cypionate	31	suppressed
Ipratropium Bromide	Ipratropium Bromide	30	14
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	29	23
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	29	suppressed
Diazepam	Diazepam	28	11
Doxazosin Mesylate	Doxazosin Mesylate	28	11
Ketoconazole	Ketoconazole	28	13
Vascepa	Icosapent Ethyl	28	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	27	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	27	suppressed
Glipizide	Glipizide	26	suppressed
Amoxicillin	Amoxicillin	25	21
Ramipril	Ramipril	25	suppressed
Ciclopirox	Ciclopirox	24	suppressed
Furosemide	Furosemide	24	12
Nifedipine Er	Nifedipine	24	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	24	suppressed
Glipizide Er	Glipizide	23	suppressed
Modafinil	Modafinil	23	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	22	11
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	22	suppressed
Ondansetron Hcl	Ondansetron Hcl	22	suppressed
Warfarin Sodium	Warfarin Sodium	22	suppressed
Irbesartan	Irbesartan	21	suppressed
Lamictal	Lamotrigine	21	suppressed
Mometasone Furoate	Mometasone Furoate	21	suppressed
Aripiprazole	Aripiprazole	19	suppressed
Clonidine Hcl	Clonidine Hcl	19	suppressed
Eszopiclone	Eszopiclone	19	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	19	suppressed
Meclizine Hcl	Meclizine Hcl	19	11
Creon	Lipase/Protease/Amylase	18	suppressed
Donepezil Hcl	Donepezil Hcl	18	suppressed
Ibuprofen	Ibuprofen	18	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	18	suppressed
Prednisone	Prednisone	18	11
Lactulose	Lactulose	17	suppressed
Xarelto	Rivaroxaban	17	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	16	suppressed
Lidocaine	Lidocaine	16	suppressed
Ondansetron Odt	Ondansetron	16	suppressed
Paroxetine Hcl	Paroxetine Hcl	16	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	16	suppressed
Bumetanide	Bumetanide	15	suppressed
Cholestyramine	Cholestyramine (With Sugar)	15	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	15	14
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	15	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	15	suppressed
Tizanidine Hcl	Tizanidine Hcl	15	suppressed
Ventolin Hfa	Albuterol Sulfate	15	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	14	suppressed
Dutasteride	Dutasteride	14	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	14	suppressed
Potassium Citrate Er	Potassium Citrate	14	suppressed
Ciclopirox	Ciclopirox Olamine	13	suppressed
Clobetasol Propionate	Clobetasol Propionate	13	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	13	12
Naproxen	Naproxen	13	suppressed
Nitroglycerin	Nitroglycerin	13	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	13	suppressed
Propranolol Hcl	Propranolol Hcl	13	suppressed
Raloxifene Hcl	Raloxifene Hcl	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Trulicity	Dulaglutide	13	suppressed
Acyclovir	Acyclovir	12	suppressed
Alendronate Sodium	Alendronate Sodium	12	suppressed
Ambien	Zolpidem Tartrate	12	suppressed
Buspirone Hcl	Buspirone Hcl	12	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	12	suppressed
Carvedilol Er	Carvedilol Phosphate	12	suppressed
Cefpodoxime Proxetil	Cefpodoxime Proxetil	12	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	12	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	12	suppressed
Minoxidil	Minoxidil	12	suppressed
Timolol Maleate	Timolol Maleate	12	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	12	suppressed
Diovan	Valsartan	11	suppressed
Divalproex Sodium	Divalproex Sodium	11	suppressed
Fentanyl	Fentanyl	11	suppressed
Hydralazine Hcl	Hydralazine Hcl	11	suppressed
Oxycontin	Oxycodone Hcl	11	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	11	suppressed
Pregabalin	Pregabalin	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