Healthcare provider profile · identity verified

Thomas P Gutmann, M.D.

Internal Medicine · SAINT CHARLES, MO · NPI 1437165834

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
Simvastatin	Simvastatin	589	167
Levothyroxine Sodium	Levothyroxine Sodium	504	132
Amlodipine Besylate	Amlodipine Besylate	428	133
Atorvastatin Calcium	Atorvastatin Calcium	396	115
Losartan Potassium	Losartan Potassium	333	106
Lisinopril	Lisinopril	295	91
Rosuvastatin Calcium	Rosuvastatin Calcium	293	95
Metoprolol Succinate	Metoprolol Succinate	290	86
Omeprazole	Omeprazole	286	78
Metformin Hcl	Metformin Hcl	275	80
Pantoprazole Sodium	Pantoprazole Sodium	268	83
Glimepiride	Glimepiride	259	76
Alprazolam	Alprazolam	239	58
Hydrochlorothiazide	Hydrochlorothiazide	193	55
Citalopram Hbr	Citalopram Hydrobromide	185	56
Gabapentin	Gabapentin	180	69
Furosemide	Furosemide	172	57
Ozempic	Semaglutide	171	35
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	169	34
Tramadol Hcl	Tramadol Hcl	132	39
Sertraline Hcl	Sertraline Hcl	127	33
Meloxicam	Meloxicam	124	43
Tamsulosin Hcl	Tamsulosin Hcl	120	34
Arexvy	Rsvpref3 Antigen/As01e/Pf	115	115
Allopurinol	Allopurinol	104	32
Montelukast Sodium	Montelukast Sodium	98	29
Atenolol	Atenolol	97	31
Memantine Hcl	Memantine Hcl	95	16
Zolpidem Tartrate	Zolpidem Tartrate	95	23
Metoprolol Tartrate	Metoprolol Tartrate	94	25
Metformin Hcl Er	Metformin Hcl	90	29
Albuterol Sulfate Hfa	Albuterol Sulfate	86	39
Diclofenac Sodium	Diclofenac Sodium	86	30
Duloxetine Hcl	Duloxetine Hcl	85	24
Amitriptyline Hcl	Amitriptyline Hcl	82	24
Fluticasone Propionate	Fluticasone Propionate	81	29
Pravastatin Sodium	Pravastatin Sodium	80	24
Trazodone Hcl	Trazodone Hcl	80	26
Escitalopram Oxalate	Escitalopram Oxalate	76	21
Warfarin Sodium	Warfarin Sodium	74	24
Lorazepam	Lorazepam	71	15
Famotidine	Famotidine	70	20
Bupropion Xl	Bupropion Hcl	66	19
Clopidogrel	Clopidogrel Bisulfate	64	29
Eliquis	Apixaban	63	21
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	62	23
Carvedilol	Carvedilol	61	20
Enalapril Maleate	Enalapril Maleate	57	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	57	16
Tizanidine Hcl	Tizanidine Hcl	56	19
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	52	23
Ibandronate Sodium	Ibandronate Sodium	52	20
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	52	19
Lovastatin	Lovastatin	50	15
Januvia	Sitagliptin Phosphate	49	14
Celecoxib	Celecoxib	48	19
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	47	15
Finasteride	Finasteride	46	12
Potassium Chloride	Potassium Chloride	46	16
Glipizide	Glipizide	44	14
Xarelto	Rivaroxaban	43	13
Oxycodone Hcl	Oxycodone Hcl	42	suppressed
Spironolactone	Spironolactone	42	13
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	42	39
Donepezil Hcl	Donepezil Hcl	40	suppressed
Buspirone Hcl	Buspirone Hcl	39	12
Folic Acid	Folic Acid	38	suppressed
Diazepam	Diazepam	37	13
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	37	13
Esomeprazole Magnesium	Esomeprazole Magnesium	36	suppressed
Alendronate Sodium	Alendronate Sodium	35	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	35	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	35	13
Sumatriptan Succinate	Sumatriptan Succinate	34	suppressed
Irbesartan	Irbesartan	33	suppressed
Terbinafine Hcl	Terbinafine Hcl	33	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	32	18
Pregabalin	Pregabalin	32	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	31	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	31	suppressed
Benazepril Hcl	Benazepril Hcl	30	suppressed
Ezetimibe	Ezetimibe	30	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	30	12
Mirtazapine	Mirtazapine	30	suppressed
Jardiance	Empagliflozin	29	11
Mounjaro	Tirzepatide	29	suppressed
Synthroid	Levothyroxine Sodium	28	suppressed
Farxiga	Dapagliflozin Propanediol	27	suppressed
Propranolol Hcl Er	Propranolol Hcl	27	suppressed
Valacyclovir	Valacyclovir Hcl	27	11
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	27	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	25	suppressed
Levetiracetam	Levetiracetam	25	suppressed
Terazosin Hcl	Terazosin Hcl	25	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	24	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	24	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	24	suppressed
Linzess	Linaclotide	24	suppressed
Methylprednisolone	Methylprednisolone	23	21
Myrbetriq	Mirabegron	23	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Paroxetine Hcl	Paroxetine Hcl	22	suppressed
Ramipril	Ramipril	22	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	22	13
Wixela Inhub	Fluticasone Propion/Salmeterol	22	11
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	21	suppressed
Fluconazole	Fluconazole	21	suppressed
Tramadol Hcl-Acetaminophen	Tramadol Hcl/Acetaminophen	21	suppressed
Aripiprazole	Aripiprazole	20	suppressed
Ipratropium Bromide	Ipratropium Bromide	20	15
Valsartan	Valsartan	20	suppressed
Amoxicillin	Amoxicillin	19	suppressed
Clonazepam	Clonazepam	19	suppressed
Nystatin	Nystatin	19	suppressed
Topiramate	Topiramate	19	suppressed
Bupropion Hcl	Bupropion Hcl	18	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	18	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	18	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	18	suppressed
Fenofibrate	Fenofibrate	17	suppressed
Meclizine Hcl	Meclizine Hcl	17	suppressed
Testosterone Cypionate	Testosterone Cypionate	17	suppressed
Carisoprodol	Carisoprodol	16	suppressed
Hydralazine Hcl	Hydralazine Hcl	16	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	16	11
Nortriptyline Hcl	Nortriptyline Hcl	16	suppressed
Trulicity	Dulaglutide	16	suppressed
Clonidine Hcl	Clonidine Hcl	15	suppressed
Humalog Kwikpen U-100	Insulin Lispro	15	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	15	suppressed
Prolia	Denosumab	15	suppressed
Testosterone	Testosterone	15	suppressed
Azelastine Hcl	Azelastine Hcl	14	suppressed
Methocarbamol	Methocarbamol	14	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	14	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	14	suppressed
Ondansetron Hcl	Ondansetron Hcl	14	suppressed
Prednisone	Prednisone	14	suppressed
Symbicort	Budesonide/Formoterol Fumarate	14	suppressed
Baclofen	Baclofen	13	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	13	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	13	suppressed
Nebivolol Hcl	Nebivolol Hcl	13	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	13	13
Ropinirole Hcl	Ropinirole Hcl	13	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	12	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	12	suppressed
Cephalexin	Cephalexin	12	11
Doxycycline Hyclate	Doxycycline Hyclate	12	11
Lidocaine	Lidocaine	12	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	12	suppressed
Acarbose	Acarbose	11	suppressed
Breo Ellipta	Fluticasone/Vilanterol	11	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Primidone	Primidone	11	suppressed
Rexulti	Brexpiprazole	11	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	11	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	11	suppressed
Verapamil Er	Verapamil Hcl	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