Healthcare provider profile · identity verified

Timothy Jon Kosmatka, M.D.

Family Practice · SAN ANTONIO, TX · NPI 1225022015

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	499	153
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	487	75
Levothyroxine Sodium	Levothyroxine Sodium	330	93
Alprazolam	Alprazolam	319	54
Montelukast Sodium	Montelukast Sodium	279	88
Losartan Potassium	Losartan Potassium	263	73
Lisinopril	Lisinopril	251	75
Amlodipine Besylate	Amlodipine Besylate	215	64
Metformin Hcl	Metformin Hcl	212	69
Rosuvastatin Calcium	Rosuvastatin Calcium	192	56
Gabapentin	Gabapentin	190	63
Tamsulosin Hcl	Tamsulosin Hcl	184	54
Simvastatin	Simvastatin	178	44
Tramadol Hcl	Tramadol Hcl	170	47
Albuterol Sulfate Hfa	Albuterol Sulfate	161	52
Metoprolol Succinate	Metoprolol Succinate	148	43
Tizanidine Hcl	Tizanidine Hcl	148	51
Omeprazole	Omeprazole	147	45
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	133	20
Pantoprazole Sodium	Pantoprazole Sodium	133	41
Trazodone Hcl	Trazodone Hcl	126	34
Potassium Chloride	Potassium Chloride	121	36
Ezetimibe	Ezetimibe	120	36
Ozempic	Semaglutide	118	27
Sertraline Hcl	Sertraline Hcl	109	35
Glimepiride	Glimepiride	107	29
Diazepam	Diazepam	106	26
Hydrochlorothiazide	Hydrochlorothiazide	101	34
Carvedilol	Carvedilol	99	28
Fluticasone Propionate	Fluticasone Propionate	99	43
Temazepam	Temazepam	99	18
Eliquis	Apixaban	98	25
Furosemide	Furosemide	98	40
Zolpidem Tartrate	Zolpidem Tartrate	91	19
Clonazepam	Clonazepam	89	18
Meloxicam	Meloxicam	88	23
Lorazepam	Lorazepam	86	21
Metoprolol Tartrate	Metoprolol Tartrate	86	25
Allopurinol	Allopurinol	84	26
Prednisone	Prednisone	84	48
Oxycodone Hcl	Oxycodone Hcl	73	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	71	23
Pravastatin Sodium	Pravastatin Sodium	71	22
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	70	24
Finasteride	Finasteride	70	22
Pregabalin	Pregabalin	70	22
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	67	51
Metformin Hcl Er	Metformin Hcl	67	19
Famotidine	Famotidine	64	26
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	59	suppressed
Clopidogrel	Clopidogrel Bisulfate	57	21
Dicyclomine Hcl	Dicyclomine Hcl	55	17
Citalopram Hbr	Citalopram Hydrobromide	54	14
Duloxetine Hcl	Duloxetine Hcl	53	13
Paroxetine Hcl	Paroxetine Hcl	49	11
Amitriptyline Hcl	Amitriptyline Hcl	48	suppressed
Ibuprofen	Ibuprofen	48	26
Meclizine Hcl	Meclizine Hcl	46	14
Quetiapine Fumarate	Quetiapine Fumarate	45	suppressed
Spironolactone	Spironolactone	44	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	43	13
Bupropion Xl	Bupropion Hcl	42	11
Chlorthalidone	Chlorthalidone	40	11
Ondansetron Hcl	Ondansetron Hcl	40	19
Fluoxetine Hcl	Fluoxetine Hcl	39	suppressed
Amoxicillin	Amoxicillin	38	29
Nifedipine Er	Nifedipine	38	15
Glipizide	Glipizide	36	12
Mounjaro	Tirzepatide	35	suppressed
Valsartan	Valsartan	35	12
Symbicort	Budesonide/Formoterol Fumarate	34	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	31	suppressed
Promethazine Hcl	Promethazine Hcl	31	11
Buspirone Hcl	Buspirone Hcl	30	suppressed
Telmisartan	Telmisartan	29	suppressed
Testosterone Cypionate	Testosterone Cypionate	29	11
Fenofibrate	Fenofibrate Nanocrystallized	28	suppressed
Jardiance	Empagliflozin	28	suppressed
Lovastatin	Lovastatin	28	suppressed
Azithromycin	Azithromycin	27	23
Doxycycline Monohydrate	Doxycycline Monohydrate	27	24
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	27	suppressed
Methocarbamol	Methocarbamol	27	suppressed
Propranolol Hcl	Propranolol Hcl	27	suppressed
Tresiba Flextouch U-100	Insulin Degludec	27	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	26	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	26	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	26	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	26	suppressed
Xarelto	Rivaroxaban	26	suppressed
Celecoxib	Celecoxib	25	suppressed
Diclofenac Sodium	Diclofenac Sodium	25	suppressed
Donepezil Hcl	Donepezil Hcl	25	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	25	suppressed
Fluconazole	Fluconazole	25	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	25	suppressed
Morphine Sulfate Er	Morphine Sulfate	25	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	25	14
Trulicity	Dulaglutide	25	suppressed
Baclofen	Baclofen	24	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	24	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	24	20
Clonidine Hcl	Clonidine Hcl	24	suppressed
Aripiprazole	Aripiprazole	23	suppressed
Atenolol	Atenolol	22	suppressed
Estradiol	Estradiol	22	suppressed
Ibandronate Sodium	Ibandronate Sodium	22	suppressed
Ondansetron Odt	Ondansetron	22	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Ramipril	Ramipril	21	suppressed
Farxiga	Dapagliflozin Propanediol	20	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	20	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	20	20
Fentanyl	Fentanyl	19	suppressed
Bupropion Hcl Sr	Bupropion Hcl	18	suppressed
Colestipol Hcl	Colestipol Hcl	18	11
Myrbetriq	Mirabegron	18	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	18	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	17	suppressed
Naproxen	Naproxen	17	suppressed
Cephalexin	Cephalexin	16	12
Dilt-Xr	Diltiazem Hcl	16	suppressed
Fenofibrate	Fenofibrate	16	suppressed
Lamotrigine	Lamotrigine	16	suppressed
Mirtazapine	Mirtazapine	16	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	16	suppressed
Valacyclovir	Valacyclovir Hcl	16	suppressed
Verapamil Er	Verapamil Hcl	16	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	15	suppressed
Divalproex Sodium	Divalproex Sodium	15	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	15	suppressed
Phenobarbital	Phenobarbital	15	suppressed
Solifenacin Succinate	Solifenacin Succinate	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	15	suppressed
Enalapril Maleate	Enalapril Maleate	14	suppressed
Nitroglycerin	Nitroglycerin	14	13
Synthroid	Levothyroxine Sodium	14	suppressed
Topiramate	Topiramate	14	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	14	suppressed
Aptiom	Eslicarbazepine Acetate	13	suppressed
Benazepril Hcl	Benazepril Hcl	13	suppressed
Carisoprodol	Carisoprodol	13	suppressed
Ciclopirox	Ciclopirox	13	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	13	suppressed
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	13	suppressed
Fenofibrate	Fenofibrate,micronized	12	suppressed
Livalo	Pitavastatin Calcium	12	suppressed
Olanzapine	Olanzapine	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Terazosin Hcl	Terazosin Hcl	12	suppressed
Biktarvy	Bictegrav/Emtricit/Tenofov Ala	11	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	11	suppressed
Budesonide Dr	Budesonide	11	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	11	suppressed
Constulose	Lactulose	11	suppressed
Januvia	Sitagliptin Phosphate	11	suppressed
Ketoconazole	Ketoconazole	11	suppressed
Midodrine Hcl	Midodrine Hcl	11	suppressed
Prazosin Hcl	Prazosin Hcl	11	suppressed
Tresiba Flextouch U-200	Insulin Degludec	11	suppressed
Warfarin Sodium	Warfarin Sodium	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