Healthcare provider profile · identity verified

Peter J Ganzer, MD

Internal Medicine · BURNSVILLE, MN · NPI 1275599318

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	463	141
Lisinopril	Lisinopril	453	124
Atorvastatin Calcium	Atorvastatin Calcium	442	144
Simvastatin	Simvastatin	418	116
Amlodipine Besylate	Amlodipine Besylate	345	104
Metoprolol Succinate	Metoprolol Succinate	297	97
Hydrochlorothiazide	Hydrochlorothiazide	281	86
Levothyroxine Sodium	Levothyroxine Sodium	257	73
Omeprazole	Omeprazole	257	71
Rosuvastatin Calcium	Rosuvastatin Calcium	209	70
Metformin Hcl	Metformin Hcl	195	61
Pravastatin Sodium	Pravastatin Sodium	183	52
Trazodone Hcl	Trazodone Hcl	182	55
Gabapentin	Gabapentin	179	50
Tamsulosin Hcl	Tamsulosin Hcl	153	48
Allopurinol	Allopurinol	138	32
Eliquis	Apixaban	138	36
Pantoprazole Sodium	Pantoprazole Sodium	125	29
Metformin Hcl Er	Metformin Hcl	121	37
Atenolol	Atenolol	118	33
Warfarin Sodium	Warfarin Sodium	114	36
Escitalopram Oxalate	Escitalopram Oxalate	110	25
Metoprolol Tartrate	Metoprolol Tartrate	84	24
Furosemide	Furosemide	82	25
Sertraline Hcl	Sertraline Hcl	80	27
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	79	23
Fluticasone Propionate	Fluticasone Propionate	78	32
Tramadol Hcl	Tramadol Hcl	76	15
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	75	22
Finasteride	Finasteride	67	18
Lorazepam	Lorazepam	67	18
Potassium Chloride	Potassium Chloride	67	23
Carvedilol	Carvedilol	66	22
Famotidine	Famotidine	63	18
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	63	18
Zolpidem Tartrate	Zolpidem Tartrate	63	17
Albuterol Sulfate Hfa	Albuterol Sulfate	57	21
Alendronate Sodium	Alendronate Sodium	57	16
Duloxetine Hcl	Duloxetine Hcl	55	14
Ozempic	Semaglutide	53	13
Spironolactone	Spironolactone	53	16
Ipratropium Bromide	Ipratropium Bromide	52	17
Clopidogrel	Clopidogrel Bisulfate	49	17
Xarelto	Rivaroxaban	49	15
Citalopram Hbr	Citalopram Hydrobromide	46	13
Jardiance	Empagliflozin	44	12
Bupropion Xl	Bupropion Hcl	43	13
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	42	16
Diazepam	Diazepam	42	11
Irbesartan	Irbesartan	41	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	41	12
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	38	suppressed
Mirtazapine	Mirtazapine	38	suppressed
Testosterone Cypionate	Testosterone Cypionate	37	suppressed
Amoxicillin	Amoxicillin	36	16
Doxazosin Mesylate	Doxazosin Mesylate	36	suppressed
Montelukast Sodium	Montelukast Sodium	36	suppressed
Glimepiride	Glimepiride	35	12
Methocarbamol	Methocarbamol	35	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	33	12
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	32	11
Pregabalin	Pregabalin	31	suppressed
Clonazepam	Clonazepam	30	suppressed
Oxycodone Hcl	Oxycodone Hcl	30	suppressed
Ezetimibe	Ezetimibe	29	suppressed
Nitroglycerin	Nitroglycerin	29	21
Estradiol	Estradiol	28	suppressed
Torsemide	Torsemide	28	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	27	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	27	suppressed
Water	Water For Irrigation,sterile	27	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	26	suppressed
Levetiracetam	Levetiracetam	26	suppressed
Propranolol Hcl	Propranolol Hcl	26	suppressed
Valacyclovir	Valacyclovir Hcl	25	suppressed
Baclofen	Baclofen	24	suppressed
Glipizide Er	Glipizide	23	suppressed
Hydralazine Hcl	Hydralazine Hcl	23	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	22	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Bupropion Hcl Sr	Bupropion Hcl	21	suppressed
Meclizine Hcl	Meclizine Hcl	21	12
Amitriptyline Hcl	Amitriptyline Hcl	20	suppressed
Divalproex Sodium Er	Divalproex Sodium	20	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	20	suppressed
Lovastatin	Lovastatin	19	suppressed
Myrbetriq	Mirabegron	19	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	19	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	19	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	19	13
Digoxin	Digoxin	18	suppressed
Doxepin Hcl	Doxepin Hcl	18	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	18	suppressed
Acyclovir	Acyclovir	17	suppressed
Chlorthalidone	Chlorthalidone	17	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	suppressed
Ketoconazole	Ketoconazole	17	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	17	suppressed
Paroxetine Hcl	Paroxetine Hcl	17	suppressed
Buspirone Hcl	Buspirone Hcl	16	suppressed
Donepezil Hcl	Donepezil Hcl	16	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	16	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	16	suppressed
Prednisone	Prednisone	16	suppressed
Valsartan	Valsartan	16	suppressed
Glipizide	Glipizide	15	suppressed
Mometasone Furoate	Mometasone Furoate	15	suppressed
Ultra-Fine Micro Pen Needle	Pen Needle, Diabetic	15	suppressed
Celecoxib	Celecoxib	14	suppressed
Humalog Kwikpen U-100	Insulin Lispro	14	suppressed
Nifedipine Er	Nifedipine	14	suppressed
Propranolol Hcl Er	Propranolol Hcl	14	suppressed
Terazosin Hcl	Terazosin Hcl	14	suppressed
Topiramate	Topiramate	14	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	13	suppressed
Ramipril	Ramipril	13	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	13	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	12	suppressed
Gemfibrozil	Gemfibrozil	12	suppressed
Jantoven	Warfarin Sodium	12	suppressed
Meloxicam	Meloxicam	12	suppressed
Misoprostol	Misoprostol	12	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	12	12
Alfuzosin Hcl Er	Alfuzosin Hcl	11	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	11	suppressed
Cilostazol	Cilostazol	11	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	11	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Oxycontin	Oxycodone Hcl	11	suppressed
Sildenafil Citrate	Sildenafil Citrate	11	suppressed
Synthroid	Levothyroxine Sodium	11	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	11	suppressed
Ventolin Hfa	Albuterol Sulfate	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