Healthcare provider profile · identity verified

Daniel William Bergner, M.D.

Internal Medicine · GRAND RAPIDS, MI · NPI 1538306659

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
Rosuvastatin Calcium	Rosuvastatin Calcium	665	167
Atorvastatin Calcium	Atorvastatin Calcium	658	176
Levothyroxine Sodium	Levothyroxine Sodium	573	139
Amlodipine Besylate	Amlodipine Besylate	542	128
Omeprazole	Omeprazole	410	113
Lisinopril	Lisinopril	368	93
Losartan Potassium	Losartan Potassium	311	82
Gabapentin	Gabapentin	252	61
Eliquis	Apixaban	216	39
Hydrochlorothiazide	Hydrochlorothiazide	205	54
Pantoprazole Sodium	Pantoprazole Sodium	204	44
Sertraline Hcl	Sertraline Hcl	190	43
Tamsulosin Hcl	Tamsulosin Hcl	158	43
Metoprolol Succinate	Metoprolol Succinate	155	47
Allopurinol	Allopurinol	143	33
Metformin Hcl	Metformin Hcl	142	39
Duloxetine Hcl	Duloxetine Hcl	139	32
Escitalopram Oxalate	Escitalopram Oxalate	128	29
Trazodone Hcl	Trazodone Hcl	126	40
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	112	36
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	108	31
Simvastatin	Simvastatin	102	27
Citalopram Hbr	Citalopram Hydrobromide	95	22
Ezetimibe	Ezetimibe	94	28
Spironolactone	Spironolactone	92	26
Pravastatin Sodium	Pravastatin Sodium	88	22
Meloxicam	Meloxicam	83	23
Buspirone Hcl	Buspirone Hcl	82	17
Fluticasone Propionate	Fluticasone Propionate	81	28
Atenolol	Atenolol	80	18
Donepezil Hcl	Donepezil Hcl	79	14
Tramadol Hcl	Tramadol Hcl	79	22
Mirtazapine	Mirtazapine	73	13
Furosemide	Furosemide	71	20
Famotidine	Famotidine	67	23
Albuterol Sulfate Hfa	Albuterol Sulfate	66	37
Carvedilol	Carvedilol	63	17
Metformin Hcl Er	Metformin Hcl	62	19
Venlafaxine Hcl Er	Venlafaxine Hcl	61	14
Irbesartan	Irbesartan	58	16
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	56	11
Memantine Hcl	Memantine Hcl	56	suppressed
Potassium Chloride	Potassium Chloride	55	19
Alendronate Sodium	Alendronate Sodium	54	18
Boostrix Tdap	Diphth,pertuss(Acell),tet Vac	54	54
Chlorthalidone	Chlorthalidone	54	13
Metoprolol Tartrate	Metoprolol Tartrate	54	12
Celecoxib	Celecoxib	52	13
Finasteride	Finasteride	52	15
Synthroid	Levothyroxine Sodium	52	14
Prednisone	Prednisone	51	33
Mounjaro	Tirzepatide	49	suppressed
Clonazepam	Clonazepam	48	11
Clopidogrel	Clopidogrel Bisulfate	47	14
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	47	16
Alprazolam	Alprazolam	46	26
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	45	16
Bupropion Hcl Sr	Bupropion Hcl	44	13
Hydralazine Hcl	Hydralazine Hcl	44	12
Estradiol	Estradiol	41	18
Olanzapine	Olanzapine	41	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	40	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	39	suppressed
Montelukast Sodium	Montelukast Sodium	39	11
Glipizide Er	Glipizide	38	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	37	29
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	37	30
Pregabalin	Pregabalin	36	12
Valacyclovir	Valacyclovir Hcl	36	15
Xarelto	Rivaroxaban	36	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	35	13
Lovastatin	Lovastatin	34	suppressed
Ozempic	Semaglutide	34	suppressed
Glimepiride	Glimepiride	32	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	31	28
Propranolol Hcl Er	Propranolol Hcl	31	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	31	suppressed
Januvia	Sitagliptin Phosphate	29	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	29	19
Ramipril	Ramipril	29	suppressed
Torsemide	Torsemide	29	12
Amitriptyline Hcl	Amitriptyline Hcl	27	suppressed
Jardiance	Empagliflozin	27	suppressed
Lansoprazole	Lansoprazole	27	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	26	26
Diazepam	Diazepam	26	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	26	suppressed
Paroxetine Hcl	Paroxetine Hcl	26	suppressed
Cefdinir	Cefdinir	25	20
Nifedipine Er	Nifedipine	25	suppressed
Glipizide	Glipizide	24	suppressed
Humalog Kwikpen U-100	Insulin Lispro	24	suppressed
Valsartan	Valsartan	24	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	23	suppressed
Ursodiol	Ursodiol	23	suppressed
Amoxicillin	Amoxicillin	21	14
Paxlovid	Nirmatrelvir/Ritonavir	21	21
Warfarin Sodium	Warfarin Sodium	21	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	20	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	20	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Bupropion Xl	Bupropion Hcl	19	suppressed
Cephalexin	Cephalexin	19	18
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	19	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	19	suppressed
Ipratropium Bromide	Ipratropium Bromide	19	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	18	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	18	suppressed
Aripiprazole	Aripiprazole	17	suppressed
Azithromycin	Azithromycin	17	16
Enalapril Maleate	Enalapril Maleate	17	suppressed
Eplerenone	Eplerenone	17	suppressed
Jantoven	Warfarin Sodium	17	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	17	12
Fenofibrate	Fenofibrate,micronized	16	suppressed
Topiramate	Topiramate	16	suppressed
Verapamil Er	Verapamil Hcl	16	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	15	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	15	suppressed
Premarin	Estrogens, Conjugated	15	suppressed
Ramelteon	Ramelteon	15	suppressed
Dilt-Xr	Diltiazem Hcl	13	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	13	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	13	suppressed
Gemtesa	Vibegron	13	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	13	suppressed
Loperamide	Loperamide Hcl	13	suppressed
Benazepril Hcl	Benazepril Hcl	12	suppressed
Carvedilol Er	Carvedilol Phosphate	12	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	12	suppressed
Estradiol (Twice Weekly)	Estradiol	12	suppressed
Gabapentin Er	Gabapentin	12	suppressed
Levetiracetam	Levetiracetam	12	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	12	suppressed
Rizatriptan	Rizatriptan Benzoate	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Carbamazepine Er	Carbamazepine	11	suppressed
Lorazepam	Lorazepam	11	suppressed
Neurontin	Gabapentin	11	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	11	suppressed
Temazepam	Temazepam	11	suppressed
Trulicity	Dulaglutide	11	suppressed
Ultra-Fine Short 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