Healthcare provider profile · identity verified

Brian Bergfeld, M.D.

Internal Medicine · SAINT LOUIS, MO · NPI 1750375812

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
Losartan Potassium	Losartan Potassium	600	159
Atorvastatin Calcium	Atorvastatin Calcium	553	165
Amlodipine Besylate	Amlodipine Besylate	531	145
Lisinopril	Lisinopril	381	108
Rosuvastatin Calcium	Rosuvastatin Calcium	370	103
Metoprolol Succinate	Metoprolol Succinate	350	98
Eliquis	Apixaban	276	52
Levothyroxine Sodium	Levothyroxine Sodium	273	74
Metformin Hcl	Metformin Hcl	232	67
Omeprazole	Omeprazole	199	56
Albuterol Sulfate Hfa	Albuterol Sulfate	195	62
Tramadol Hcl	Tramadol Hcl	187	47
Simvastatin	Simvastatin	180	47
Hydrochlorothiazide	Hydrochlorothiazide	175	56
Meloxicam	Meloxicam	171	58
Alprazolam	Alprazolam	155	36
Tamsulosin Hcl	Tamsulosin Hcl	152	41
Citalopram Hbr	Citalopram Hydrobromide	124	31
Sertraline Hcl	Sertraline Hcl	109	31
Gabapentin	Gabapentin	105	30
Pantoprazole Sodium	Pantoprazole Sodium	105	31
Furosemide	Furosemide	104	31
Alendronate Sodium	Alendronate Sodium	103	30
Ozempic	Semaglutide	103	22
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	96	21
Famotidine	Famotidine	92	25
Escitalopram Oxalate	Escitalopram Oxalate	91	18
Metoprolol Tartrate	Metoprolol Tartrate	91	27
Trazodone Hcl	Trazodone Hcl	90	19
Dabigatran Etexilate	Dabigatran Etexilate Mesylate	84	24
Mirtazapine	Mirtazapine	84	24
Prednisone	Prednisone	83	42
Wixela Inhub	Fluticasone Propion/Salmeterol	83	19
Glipizide	Glipizide	77	23
Atenolol	Atenolol	75	22
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	75	19
Zolpidem Tartrate	Zolpidem Tartrate	73	19
Carvedilol	Carvedilol	70	21
Fluticasone Propionate	Fluticasone Propionate	69	28
Allopurinol	Allopurinol	68	17
Arexvy	Rsvpref3 Antigen/As01e/Pf	68	67
Spironolactone	Spironolactone	67	20
Bupropion Xl	Bupropion Hcl	63	18
Duloxetine Hcl	Duloxetine Hcl	59	14
Warfarin Sodium	Warfarin Sodium	58	16
Triamcinolone Acetonide	Triamcinolone Acetonide	57	38
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	55	19
Montelukast Sodium	Montelukast Sodium	54	19
Clopidogrel	Clopidogrel Bisulfate	53	17
Finasteride	Finasteride	53	15
Fluoxetine Hcl	Fluoxetine Hcl	53	13
Lovastatin	Lovastatin	51	18
Doxycycline Hyclate	Doxycycline Hyclate	47	34
Donepezil Hcl	Donepezil Hcl	46	suppressed
Glipizide Er	Glipizide	46	13
Memantine Hcl	Memantine Hcl	42	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	41	12
Chlorthalidone	Chlorthalidone	40	11
Pravastatin Sodium	Pravastatin Sodium	39	11
Ipratropium Bromide	Ipratropium Bromide	37	12
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	37	suppressed
Potassium Chloride	Potassium Chloride	37	12
Buspirone Hcl	Buspirone Hcl	34	suppressed
Irbesartan	Irbesartan	32	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	31	15
Methotrexate	Methotrexate Sodium	30	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	29	24
Valsartan	Valsartan	29	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	28	15
Hydralazine Hcl	Hydralazine Hcl	28	suppressed
Jardiance	Empagliflozin	28	suppressed
Entresto	Sacubitril/Valsartan	27	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	27	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	27	suppressed
Sildenafil Citrate	Sildenafil Citrate	27	12
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	27	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	26	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	26	11
Amitriptyline Hcl	Amitriptyline Hcl	25	suppressed
Tizanidine Hcl	Tizanidine Hcl	25	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	24	21
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	24	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	24	suppressed
Pregabalin	Pregabalin	24	suppressed
Ropinirole Hcl	Ropinirole Hcl	24	suppressed
Carbamazepine Er	Carbamazepine	23	suppressed
Felodipine Er	Felodipine	23	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	23	suppressed
Estradiol	Estradiol	22	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	21	suppressed
Glimepiride	Glimepiride	21	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	21	suppressed
Xarelto	Rivaroxaban	21	suppressed
Diclofenac Sodium	Diclofenac Sodium	20	suppressed
Testosterone	Testosterone	20	suppressed
Baclofen	Baclofen	19	suppressed
Benzonatate	Benzonatate	19	13
Clonidine	Clonidine	19	suppressed
Clotrimazole	Clotrimazole	19	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	19	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	19	suppressed
Synthroid	Levothyroxine Sodium	18	suppressed
Trulicity	Dulaglutide	18	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	18	suppressed
Atomoxetine Hcl	Atomoxetine Hcl	17	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	17	suppressed
Novolin N Flexpen	Insulin Nph Human Isophane	17	suppressed
Novolin R Flexpen	Insulin Regular, Human	17	suppressed
Paroxetine Hcl	Paroxetine Hcl	17	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	17	suppressed
Propranolol Hcl Er	Propranolol Hcl	17	suppressed
Terbinafine Hcl	Terbinafine Hcl	17	suppressed
Betamethasone Valerate	Betamethasone Valerate	16	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	16	suppressed
Probenecid-Colchicine	Probenecid/Colchicine	16	suppressed
Terazosin Hcl	Terazosin Hcl	16	suppressed
Torsemide	Torsemide	16	suppressed
Clonidine Hcl	Clonidine Hcl	15	suppressed
Labetalol Hcl	Labetalol Hcl	15	suppressed
Primidone	Primidone	15	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	14	suppressed
Lansoprazole	Lansoprazole	14	suppressed
Meclizine Hcl	Meclizine Hcl	14	suppressed
Oxycodone Hcl	Oxycodone Hcl	14	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	14	suppressed
Balsalazide Disodium	Balsalazide Disodium	13	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Ibandronate Sodium	Ibandronate Sodium	13	suppressed
Myrbetriq	Mirabegron	13	suppressed
Nifedipine Er	Nifedipine	13	suppressed
Breo Ellipta	Fluticasone/Vilanterol	12	suppressed
Novolin 70-30 Flexpen	Insulin Nph Hum/Reg Insulin Hm	12	suppressed
Olopatadine Hcl	Olopatadine Hcl	12	suppressed
Sulindac	Sulindac	12	suppressed
Tiotropium Bromide	Tiotropium Bromide	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Adefovir Dipivoxil	Adefovir Dipivoxil	11	suppressed
Amiodarone Hcl	Amiodarone Hcl	11	suppressed
Azathioprine	Azathioprine	11	suppressed
Benazepril Hcl	Benazepril Hcl	11	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Ezetimibe	Ezetimibe	11	suppressed
Ibuprofen	Ibuprofen	11	suppressed
Insulin Aspart Flexpen	Insulin Aspart	11	suppressed
Insulin Aspart Prot Mix 70-30	Insulin Aspart Prot/Insuln Asp	11	suppressed
Lumigan	Bimatoprost	11	suppressed
Morphine Sulfate Er	Morphine Sulfate	11	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	11	suppressed
Rybelsus	Semaglutide	11	suppressed
Sotalol	Sotalol Hcl	11	suppressed
Testosterone Cypionate	Testosterone Cypionate	11	suppressed
Ultra-Fine Micro 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