Healthcare provider profile · identity verified

Thomas A Tyree, M.D.

Internal Medicine · SAINT CHARLES, MO · NPI 1841251048

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
Amlodipine Besylate	Amlodipine Besylate	751	201
Levothyroxine Sodium	Levothyroxine Sodium	581	140
Atorvastatin Calcium	Atorvastatin Calcium	568	160
Rosuvastatin Calcium	Rosuvastatin Calcium	530	176
Metoprolol Succinate	Metoprolol Succinate	375	99
Alprazolam	Alprazolam	374	92
Pantoprazole Sodium	Pantoprazole Sodium	362	108
Omeprazole	Omeprazole	333	96
Losartan Potassium	Losartan Potassium	330	96
Lisinopril	Lisinopril	252	72
Tramadol Hcl	Tramadol Hcl	243	59
Gabapentin	Gabapentin	222	60
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	222	57
Simvastatin	Simvastatin	221	65
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	210	59
Pravastatin Sodium	Pravastatin Sodium	210	54
Glimepiride	Glimepiride	203	59
Escitalopram Oxalate	Escitalopram Oxalate	190	52
Metformin Hcl Er	Metformin Hcl	183	58
Trazodone Hcl	Trazodone Hcl	179	48
Zolpidem Tartrate	Zolpidem Tartrate	171	42
Tizanidine Hcl	Tizanidine Hcl	159	54
Tamsulosin Hcl	Tamsulosin Hcl	151	43
Hydrochlorothiazide	Hydrochlorothiazide	150	36
Famotidine	Famotidine	145	28
Eliquis	Apixaban	141	30
Metoprolol Tartrate	Metoprolol Tartrate	140	38
Arexvy	Rsvpref3 Antigen/As01e/Pf	128	128
Clopidogrel	Clopidogrel Bisulfate	122	30
Meloxicam	Meloxicam	116	43
Duloxetine Hcl	Duloxetine Hcl	114	30
Potassium Chloride	Potassium Chloride	109	38
Clonazepam	Clonazepam	106	21
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	102	35
Sertraline Hcl	Sertraline Hcl	101	34
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	99	29
Lorazepam	Lorazepam	98	29
Allopurinol	Allopurinol	97	30
Citalopram Hbr	Citalopram Hydrobromide	95	26
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	95	30
Furosemide	Furosemide	91	32
Albuterol Sulfate Hfa	Albuterol Sulfate	83	35
Celecoxib	Celecoxib	82	28
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	82	22
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	82	25
Fluticasone Propionate	Fluticasone Propionate	80	35
Bupropion Xl	Bupropion Hcl	79	21
Prednisone	Prednisone	76	62
Torsemide	Torsemide	76	25
Warfarin Sodium	Warfarin Sodium	71	19
Vitamin D2	Ergocalciferol (Vitamin D2)	69	23
Atenolol	Atenolol	68	20
Carvedilol	Carvedilol	66	22
Ozempic	Semaglutide	63	18
Spironolactone	Spironolactone	57	18
Synthroid	Levothyroxine Sodium	57	16
Ropinirole Hcl	Ropinirole Hcl	56	13
Metformin Hcl	Metformin Hcl	53	19
Temazepam	Temazepam	52	12
Lovastatin	Lovastatin	51	14
Fenofibrate	Fenofibrate	50	12
Finasteride	Finasteride	45	13
Hydralazine Hcl	Hydralazine Hcl	45	15
Olmesartan Medoxomil	Olmesartan Medoxomil	43	14
Diclofenac Sodium	Diclofenac Sodium	42	21
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	42	suppressed
Propranolol Hcl	Propranolol Hcl	42	11
Buspirone Hcl	Buspirone Hcl	41	14
Esomeprazole Magnesium	Esomeprazole Magnesium	40	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	40	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	39	27
Paroxetine Hcl	Paroxetine Hcl	39	12
Diazepam	Diazepam	38	15
Ezetimibe	Ezetimibe	37	11
Fluoxetine Hcl	Fluoxetine Hcl	37	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	37	22
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	36	13
Xarelto	Rivaroxaban	35	suppressed
Memantine Hcl	Memantine Hcl	34	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	33	30
Jardiance	Empagliflozin	33	suppressed
Valacyclovir	Valacyclovir Hcl	33	19
Fenofibrate	Fenofibrate Nanocrystallized	32	suppressed
Ondansetron Odt	Ondansetron	32	17
Linzess	Linaclotide	31	suppressed
Amiodarone Hcl	Amiodarone Hcl	30	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	30	11
Montelukast Sodium	Montelukast Sodium	29	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	29	23
Azithromycin	Azithromycin	28	27
Doxepin Hcl	Doxepin Hcl	26	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	26	17
Acyclovir	Acyclovir	25	11
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	25	suppressed
Nitroglycerin	Nitroglycerin	25	suppressed
Solifenacin Succinate	Solifenacin Succinate	25	suppressed
Fenofibrate	Fenofibrate,micronized	24	suppressed
Methocarbamol	Methocarbamol	24	suppressed
Midodrine Hcl	Midodrine Hcl	24	suppressed
Mirtazapine	Mirtazapine	24	suppressed
Mounjaro	Tirzepatide	24	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	24	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	23	suppressed
Folic Acid	Folic Acid	23	suppressed
Bupropion Hcl Sr	Bupropion Hcl	21	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	21	suppressed
Sildenafil Citrate	Sildenafil Citrate	21	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	20	suppressed
Clonidine Hcl	Clonidine Hcl	20	suppressed
Farxiga	Dapagliflozin Propanediol	20	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	20	suppressed
Cephalexin	Cephalexin	19	14
Donepezil Hcl	Donepezil Hcl	19	suppressed
Glipizide	Glipizide	19	suppressed
Ipratropium Bromide	Ipratropium Bromide	19	suppressed
Meclizine Hcl	Meclizine Hcl	19	suppressed
Pregabalin	Pregabalin	19	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	19	suppressed
Ketoconazole	Ketoconazole	18	suppressed
Levetiracetam	Levetiracetam	18	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	18	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	18	suppressed
Benazepril Hcl	Benazepril Hcl	17	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	17	suppressed
Fluconazole	Fluconazole	17	suppressed
Oxycodone Hcl	Oxycodone Hcl	17	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	17	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	16	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	16	suppressed
Clindamycin Hcl	Clindamycin Hcl	16	15
Paxlovid	Nirmatrelvir/Ritonavir	16	16
Trulicity	Dulaglutide	16	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	15	suppressed
Cefadroxil	Cefadroxil	15	14
Dicyclomine Hcl	Dicyclomine Hcl	15	suppressed
Januvia	Sitagliptin Phosphate	15	suppressed
Nystatin	Nystatin	15	11
Ondansetron Hcl	Ondansetron Hcl	15	suppressed
Ramipril	Ramipril	15	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	14	suppressed
Felodipine Er	Felodipine	14	suppressed
Lisdexamfetamine Dimesylate	Lisdexamfetamine Dimesylate	14	suppressed
Tramadol Hcl-Acetaminophen	Tramadol Hcl/Acetaminophen	14	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	13	suppressed
Carisoprodol	Carisoprodol	13	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	13	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	13	suppressed
Humalog Kwikpen U-100	Insulin Lispro	13	suppressed
Methazolamide	Methazolamide	13	suppressed
Rizatriptan	Rizatriptan Benzoate	13	suppressed
Rybelsus	Semaglutide	13	suppressed
Topiramate	Topiramate	13	suppressed
Amoxicillin	Amoxicillin	12	suppressed
Azelastine Hcl	Azelastine Hcl	12	suppressed
Baclofen	Baclofen	12	suppressed
Clonidine	Clonidine	12	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	12	suppressed
Levofloxacin	Levofloxacin	12	11
Naproxen	Naproxen	12	suppressed
Verapamil Er	Verapamil Hcl	12	suppressed
Alendronate Sodium	Alendronate Sodium	11	suppressed
Ibandronate Sodium	Ibandronate Sodium	11	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	11	suppressed
Klor-Con M20	Potassium Chloride	11	suppressed
Latanoprost	Latanoprost	11	suppressed
Myrbetriq	Mirabegron	11	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	11	suppressed
Symbicort	Budesonide/Formoterol Fumarate	11	suppressed
Tresiba Flextouch U-100	Insulin Degludec	11	suppressed
Vyvanse	Lisdexamfetamine Dimesylate	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