Healthcare provider profile · identity verified

Brian J. Doerning, MD

Family Practice · BALDWIN PARK, CA · NPI 1194896084

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	643	221
Lisinopril	Lisinopril	279	96
Amlodipine Besylate	Amlodipine Besylate	248	95
Metformin Hcl	Metformin Hcl	205	74
Rosuvastatin Calcium	Rosuvastatin Calcium	197	71
Losartan Potassium	Losartan Potassium	194	76
Metoprolol Tartrate	Metoprolol Tartrate	178	59
Metformin Hcl Er	Metformin Hcl	165	59
Levothyroxine Sodium	Levothyroxine Sodium	160	50
Glipizide	Glipizide	137	49
Simvastatin	Simvastatin	134	47
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	129	27
Jardiance	Empagliflozin	127	45
Gabapentin	Gabapentin	126	49
Omeprazole	Omeprazole	126	43
Atenolol	Atenolol	123	41
Alendronate Sodium	Alendronate Sodium	122	40
Pradaxa	Dabigatran Etexilate Mesylate	116	35
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	113	39
Pantoprazole Sodium	Pantoprazole Sodium	113	44
Terazosin Hcl	Terazosin Hcl	109	36
Albuterol Sulfate Hfa	Albuterol Sulfate	108	42
Ozempic	Semaglutide	101	18
Furosemide	Furosemide	100	43
Potassium Chloride	Potassium Chloride	94	34
Hydrochlorothiazide	Hydrochlorothiazide	80	29
Humulin N	Insulin Nph Human Isophane	79	33
Bisoprolol Fumarate	Bisoprolol Fumarate	68	29
Prednisone	Prednisone	68	57
Allopurinol	Allopurinol	62	21
Tramadol Hcl	Tramadol Hcl	61	16
Hydralazine Hcl	Hydralazine Hcl	60	28
Cephalexin	Cephalexin	59	44
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	59	13
Spironolactone	Spironolactone	59	26
Tamsulosin Hcl	Tamsulosin Hcl	59	18
Spiriva Respimat	Tiotropium Bromide	57	14
Duloxetine Hcl	Duloxetine Hcl	52	22
Lorazepam	Lorazepam	49	13
Donepezil Hcl	Donepezil Hcl	48	15
Trazodone Hcl	Trazodone Hcl	46	15
Fluoxetine Hcl	Fluoxetine Hcl	45	13
Carvedilol	Carvedilol	44	17
Clopidogrel	Clopidogrel Bisulfate	44	15
Humulin R	Insulin Regular, Human	43	18
Veo Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	43	19
Triamcinolone Acetonide	Triamcinolone Acetonide	42	30
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	40	14
Montelukast Sodium	Montelukast Sodium	40	14
Meloxicam	Meloxicam	39	27
Morphine Sulfate Er	Morphine Sulfate	39	suppressed
Naproxen	Naproxen	39	23
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	38	13
Mirtazapine	Mirtazapine	37	20
Ezetimibe	Ezetimibe	36	12
Veo Insulin Syringe	Syringe And Needle,insulin,1ml	36	16
Sertraline Hcl	Sertraline Hcl	35	13
Azithromycin	Azithromycin	34	33
Pioglitazone Hcl	Pioglitazone Hcl	34	15
Tizanidine Hcl	Tizanidine Hcl	34	suppressed
Estradiol	Estradiol	30	13
Famotidine	Famotidine	30	14
Humulin N Kwikpen	Insulin Nph Human Isophane	30	12
Levetiracetam	Levetiracetam	30	suppressed
Alprazolam	Alprazolam	29	suppressed
Lactulose	Lactulose	29	suppressed
Terbinafine Hcl	Terbinafine Hcl	29	14
Ibuprofen	Ibuprofen	28	15
Methocarbamol	Methocarbamol	27	11
Ondansetron Odt	Ondansetron	26	13
Colchicine	Colchicine	25	17
Finasteride	Finasteride	25	suppressed
Hydrocortisone	Hydrocortisone	25	14
Azelastine Hcl	Azelastine Hcl	24	suppressed
Pravastatin Sodium	Pravastatin Sodium	24	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	24	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	23	suppressed
Adacel Tdap	Diph,pertuss(Acell),tet Vac/Pf	22	22
Eliquis	Apixaban	22	suppressed
Alvesco	Ciclesonide	21	11
Amoxicillin	Amoxicillin	21	15
Solifenacin Succinate	Solifenacin Succinate	21	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	21	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	20	17
Fenofibrate	Fenofibrate	20	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	20	suppressed
Topiramate	Topiramate	20	suppressed
Benazepril Hcl	Benazepril Hcl	19	suppressed
Fluticasone Propionate	Fluticasone Propionate	19	suppressed
Metronidazole	Metronidazole	19	suppressed
Glipizide Er	Glipizide	18	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	18	suppressed
Buspirone Hcl	Buspirone Hcl	16	suppressed
Cartia Xt	Diltiazem Hcl	16	12
Hydromorphone Hcl	Hydromorphone Hcl	16	suppressed
Risperidone	Risperidone	16	suppressed
Chlorthalidone	Chlorthalidone	15	suppressed
Citalopram Hbr	Citalopram Hydrobromide	15	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	15	suppressed
Methadone Hcl	Methadone Hcl	15	suppressed
Nifedipine Er	Nifedipine	15	suppressed
Trospium Chloride	Trospium Chloride	15	suppressed
Baclofen	Baclofen	14	suppressed
Bupropion Hcl	Bupropion Hcl	14	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	14	suppressed
Clonidine Hcl	Clonidine Hcl	14	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	14	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	14	14
Acetaminophen-Codeine	Acetaminophen With Codeine	13	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	13	suppressed
Glipizide-Metformin	Glipizide/Metformin Hcl	13	suppressed
Ropinirole Hcl	Ropinirole Hcl	13	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	13	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	11
Fluocinonide	Fluocinonide	12	suppressed
Memantine Hcl	Memantine Hcl	12	suppressed
Myrbetriq	Mirabegron	12	suppressed
Sulindac	Sulindac	12	suppressed
Testosterone	Testosterone	12	suppressed
Acyclovir	Acyclovir	11	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	11	suppressed
Midodrine Hcl	Midodrine Hcl	11	suppressed
Neomycin-Polymyxin-Dexameth	Neomycin/Polymyxin B/Dexametha	11	suppressed
Nystatin	Nystatin	11	suppressed
Pregabalin	Pregabalin	11	suppressed
Sucralfate	Sucralfate	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