Healthcare provider profile · identity verified

Corina H. Wang, MD

Internal Medicine · OAKLAND, CA · NPI 1407093016

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	344	125
Amlodipine Besylate	Amlodipine Besylate	285	96
Levothyroxine Sodium	Levothyroxine Sodium	192	58
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	159	32
Losartan Potassium	Losartan Potassium	146	58
Fluticasone Propionate	Fluticasone Propionate	122	41
Alendronate Sodium	Alendronate Sodium	115	37
Atenolol	Atenolol	114	35
Hydrochlorothiazide	Hydrochlorothiazide	108	36
Gabapentin	Gabapentin	98	43
Lisinopril	Lisinopril	94	35
Simvastatin	Simvastatin	90	27
Trazodone Hcl	Trazodone Hcl	75	22
Albuterol Sulfate Hfa	Albuterol Sulfate	73	46
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	67	21
Morphine Sulfate Er	Morphine Sulfate	67	suppressed
Tizanidine Hcl	Tizanidine Hcl	57	18
Famotidine	Famotidine	55	19
Lovastatin	Lovastatin	52	21
Alvesco	Ciclesonide	50	26
Zolpidem Tartrate	Zolpidem Tartrate	50	16
Triamcinolone Acetonide	Triamcinolone Acetonide	48	31
Metoprolol Tartrate	Metoprolol Tartrate	47	16
Sertraline Hcl	Sertraline Hcl	47	15
Metformin Hcl Er	Metformin Hcl	45	20
Allopurinol	Allopurinol	44	16
Omeprazole	Omeprazole	44	13
Wixela Inhub	Fluticasone Propion/Salmeterol	44	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	40	suppressed
Fluocinonide	Fluocinonide	39	18
Metoprolol Succinate	Metoprolol Succinate	39	15
Hydralazine Hcl	Hydralazine Hcl	38	12
Tamsulosin Hcl	Tamsulosin Hcl	35	15
Furosemide	Furosemide	33	18
Lorazepam	Lorazepam	32	15
Metformin Hcl	Metformin Hcl	32	15
Pravastatin Sodium	Pravastatin Sodium	32	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	31	12
Pantoprazole Sodium	Pantoprazole Sodium	31	11
Acyclovir	Acyclovir	30	14
Citalopram Hbr	Citalopram Hydrobromide	30	12
Ondansetron Odt	Ondansetron	30	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	28	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	27	suppressed
Morphine Sulfate	Morphine Sulfate	27	suppressed
Meloxicam	Meloxicam	26	16
Adacel Tdap	Diph,pertuss(Acell),tet Vac/Pf	25	25
Duloxetine Hcl	Duloxetine Hcl	25	suppressed
Glipizide	Glipizide	25	suppressed
Jardiance	Empagliflozin	25	suppressed
Montelukast Sodium	Montelukast Sodium	25	suppressed
Bupropion Xl	Bupropion Hcl	23	suppressed
Pradaxa	Dabigatran Etexilate Mesylate	23	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	23	suppressed
Cefadroxil	Cefadroxil	22	21
Nifedipine Er	Nifedipine	22	suppressed
Retin-A	Tretinoin	22	suppressed
Potassium Chloride	Potassium Chloride	21	11
Pregabalin	Pregabalin	21	suppressed
Spiriva Respimat	Tiotropium Bromide	21	suppressed
Donepezil Hcl	Donepezil Hcl	20	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	20	14
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	19	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	18	suppressed
Hydrocortisone	Hydrocortisone	17	13
Acetaminophen-Codeine	Acetaminophen With Codeine	16	suppressed
Baclofen	Baclofen	16	suppressed
Clopidogrel	Clopidogrel Bisulfate	16	suppressed
Alclometasone Dipropionate	Alclometasone Dipropionate	15	suppressed
Amoxicillin	Amoxicillin	15	suppressed
Chlorthalidone	Chlorthalidone	15	suppressed
Clobetasol Propionate	Clobetasol Propionate	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Diazepam	Diazepam	13	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	13	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	13	12
Estradiol	Estradiol	13	suppressed
Ibuprofen	Ibuprofen	13	suppressed
Naproxen	Naproxen	13	suppressed
Prednisone	Prednisone	13	11
Tramadol Hcl	Tramadol Hcl	13	suppressed
Buspirone Hcl	Buspirone Hcl	12	suppressed
Methadone Hcl	Methadone Hcl	12	suppressed
Primidone	Primidone	12	suppressed
Carvedilol	Carvedilol	11	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	11	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	11	suppressed
Ozempic	Semaglutide	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