Healthcare provider profile · identity verified

Richard C Ferris, MD

Internal Medicine · WINONA, MN · NPI 1245347780

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	636	189
Lisinopril	Lisinopril	456	122
Amlodipine Besylate	Amlodipine Besylate	433	116
Metoprolol Succinate	Metoprolol Succinate	425	127
Levothyroxine Sodium	Levothyroxine Sodium	397	103
Losartan Potassium	Losartan Potassium	375	114
Simvastatin	Simvastatin	352	100
Rosuvastatin Calcium	Rosuvastatin Calcium	338	97
Omeprazole	Omeprazole	335	99
Hydrochlorothiazide	Hydrochlorothiazide	307	85
Furosemide	Furosemide	241	78
Eliquis	Apixaban	193	53
Tamsulosin Hcl	Tamsulosin Hcl	193	60
Pantoprazole Sodium	Pantoprazole Sodium	190	52
Warfarin Sodium	Warfarin Sodium	190	52
Metformin Hcl	Metformin Hcl	184	55
Metoprolol Tartrate	Metoprolol Tartrate	178	56
Gabapentin	Gabapentin	160	50
Pravastatin Sodium	Pravastatin Sodium	144	40
Tramadol Hcl	Tramadol Hcl	131	26
Glimepiride	Glimepiride	122	33
Trazodone Hcl	Trazodone Hcl	117	36
Sertraline Hcl	Sertraline Hcl	116	34
Allopurinol	Allopurinol	112	31
Finasteride	Finasteride	104	38
Spironolactone	Spironolactone	104	34
Ezetimibe	Ezetimibe	101	31
Metformin Hcl Er	Metformin Hcl	89	28
Potassium Chloride	Potassium Chloride	87	24
Ozempic	Semaglutide	83	19
Alendronate Sodium	Alendronate Sodium	81	23
Jardiance	Empagliflozin	77	24
Carvedilol	Carvedilol	72	23
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	71	21
Clonazepam	Clonazepam	70	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	69	22
Ramipril	Ramipril	69	19
Clopidogrel	Clopidogrel Bisulfate	68	26
Duloxetine Hcl	Duloxetine Hcl	67	22
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	67	16
Xarelto	Rivaroxaban	67	15
Celecoxib	Celecoxib	63	20
Chlorthalidone	Chlorthalidone	62	22
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	59	21
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	57	20
Trulicity	Dulaglutide	57	suppressed
Prednisone	Prednisone	55	23
Lorazepam	Lorazepam	53	11
Venlafaxine Hcl Er	Venlafaxine Hcl	51	12
Donepezil Hcl	Donepezil Hcl	50	11
Torsemide	Torsemide	50	17
Atenolol	Atenolol	49	14
Citalopram Hbr	Citalopram Hydrobromide	49	13
Fluticasone Propionate	Fluticasone Propionate	49	20
Albuterol Sulfate Hfa	Albuterol Sulfate	47	25
Zolpidem Tartrate	Zolpidem Tartrate	47	11
Isosorbide Mononitrate Er	Isosorbide Mononitrate	46	suppressed
Nitroglycerin	Nitroglycerin	44	25
Buspirone Hcl	Buspirone Hcl	43	13
Labetalol Hcl	Labetalol Hcl	43	14
Bupropion Xl	Bupropion Hcl	41	11
Fluoxetine Hcl	Fluoxetine Hcl	41	14
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	41	16
Famotidine	Famotidine	39	15
Oxycodone Hcl	Oxycodone Hcl	39	suppressed
Ventolin Hfa	Albuterol Sulfate	38	13
Glipizide	Glipizide	36	suppressed
Bupropion Hcl Sr	Bupropion Hcl	33	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	33	suppressed
Hydralazine Hcl	Hydralazine Hcl	33	suppressed
Propranolol Hcl	Propranolol Hcl	33	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	32	suppressed
Mirtazapine	Mirtazapine	31	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	31	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	31	11
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	30	14
Lovastatin	Lovastatin	30	suppressed
Ondansetron Hcl	Ondansetron Hcl	30	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	30	suppressed
Enalapril Maleate	Enalapril Maleate	29	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	29	suppressed
Montelukast Sodium	Montelukast Sodium	29	suppressed
Entresto	Sacubitril/Valsartan	28	suppressed
Diclofenac Sodium	Diclofenac Sodium	27	11
Doxycycline Hyclate	Doxycycline Hyclate	27	suppressed
Nifedipine Er	Nifedipine	27	suppressed
Paroxetine Hcl	Paroxetine Hcl	27	suppressed
Estradiol	Estradiol	24	suppressed
Pregabalin	Pregabalin	24	suppressed
Valsartan	Valsartan	24	suppressed
Memantine Hcl	Memantine Hcl	23	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Bumetanide	Bumetanide	22	suppressed
Bydureon Bcise	Exenatide Microspheres	22	suppressed
Diazepam	Diazepam	21	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	21	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Gavilyte-G	Peg3350/Sod Sulf,bicarb,cl/Kcl	20	19
Amoxicillin	Amoxicillin	19	15
Dicyclomine Hcl	Dicyclomine Hcl	19	suppressed
Novolog Flexpen	Insulin Aspart	19	suppressed
Terazosin Hcl	Terazosin Hcl	19	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	19	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	19	13
Humalog Kwikpen U-100	Insulin Lispro	17	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	16	suppressed
Breo Ellipta	Fluticasone/Vilanterol	15	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	15	suppressed
Nystatin	Nystatin	15	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	15	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	14	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	14	suppressed
Cephalexin	Cephalexin	14	suppressed
Glipizide Er	Glipizide	14	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	14	suppressed
Betamethasone Valerate	Betamethasone Valerate	13	suppressed
Farxiga	Dapagliflozin Propanediol	13	suppressed
Isosorbide Mononitrate	Isosorbide Mononitrate	13	suppressed
Meloxicam	Meloxicam	13	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	13	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	13	suppressed
Digoxin	Digoxin	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	12	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	12	suppressed
Latanoprost	Latanoprost	12	suppressed
Sucralfate	Sucralfate	12	suppressed
Calcitriol	Calcitriol	11	suppressed
Fentanyl	Fentanyl	11	suppressed
Gemfibrozil	Gemfibrozil	11	suppressed
Incruse Ellipta	Umeclidinium Bromide	11	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Synthroid	Levothyroxine Sodium	11	suppressed
Temazepam	Temazepam	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

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