Healthcare provider profile · identity verified

John Radcliffe Kothmann, M.D.

Family Practice · FREDERICKSBURG, TX · NPI 1780624502

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
Levothyroxine Sodium	Levothyroxine Sodium	459	95
Atorvastatin Calcium	Atorvastatin Calcium	430	104
Losartan Potassium	Losartan Potassium	395	97
Amlodipine Besylate	Amlodipine Besylate	387	89
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	369	58
Lisinopril	Lisinopril	347	81
Montelukast Sodium	Montelukast Sodium	326	85
Gabapentin	Gabapentin	308	66
Furosemide	Furosemide	299	75
Simvastatin	Simvastatin	286	66
Hydrochlorothiazide	Hydrochlorothiazide	282	71
Pantoprazole Sodium	Pantoprazole Sodium	278	74
Duloxetine Hcl	Duloxetine Hcl	275	56
Omeprazole	Omeprazole	260	77
Metformin Hcl	Metformin Hcl	259	69
Trazodone Hcl	Trazodone Hcl	254	47
Tamsulosin Hcl	Tamsulosin Hcl	237	58
Alprazolam	Alprazolam	217	43
Metoprolol Succinate	Metoprolol Succinate	215	59
Potassium Chloride	Potassium Chloride	203	39
Rosuvastatin Calcium	Rosuvastatin Calcium	203	60
Meloxicam	Meloxicam	178	48
Allopurinol	Allopurinol	169	37
Metoprolol Tartrate	Metoprolol Tartrate	163	34
Tramadol Hcl	Tramadol Hcl	160	44
Bupropion Xl	Bupropion Hcl	147	33
Eliquis	Apixaban	146	22
Oxybutynin Chloride Er	Oxybutynin Chloride	127	30
Methylprednisolone	Methylprednisolone	125	94
Escitalopram Oxalate	Escitalopram Oxalate	121	30
Doxycycline Hyclate	Doxycycline Hyclate	120	85
Buspirone Hcl	Buspirone Hcl	119	26
Xarelto	Rivaroxaban	115	21
Celecoxib	Celecoxib	110	26
Methocarbamol	Methocarbamol	105	33
Prednisone	Prednisone	105	38
Tizanidine Hcl	Tizanidine Hcl	100	32
Zolpidem Tartrate	Zolpidem Tartrate	97	21
Lovastatin	Lovastatin	95	24
Quetiapine Fumarate	Quetiapine Fumarate	95	13
Temazepam	Temazepam	92	16
Acetaminophen-Codeine	Acetaminophen With Codeine	91	15
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	91	59
Atenolol	Atenolol	89	23
Albuterol Sulfate Hfa	Albuterol Sulfate	88	33
Myrbetriq	Mirabegron	88	suppressed
Sertraline Hcl	Sertraline Hcl	86	20
Spironolactone	Spironolactone	86	17
Glimepiride	Glimepiride	84	21
Lorazepam	Lorazepam	81	13
Carvedilol	Carvedilol	73	19
Citalopram Hbr	Citalopram Hydrobromide	72	15
Donepezil Hcl	Donepezil Hcl	70	14
Clopidogrel	Clopidogrel Bisulfate	68	18
Ciprofloxacin Hcl	Ciprofloxacin Hcl	65	52
Diazepam	Diazepam	64	14
Ozempic	Semaglutide	62	11
Sucralfate	Sucralfate	62	suppressed
Famotidine	Famotidine	61	16
Memantine Hcl	Memantine Hcl	61	11
Ondansetron Odt	Ondansetron	61	28
Fluticasone Propionate	Fluticasone Propionate	60	18
Ropinirole Hcl	Ropinirole Hcl	60	suppressed
Warfarin Sodium	Warfarin Sodium	60	suppressed
Valsartan	Valsartan	58	15
Cefdinir	Cefdinir	57	41
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	57	15
Esomeprazole Magnesium	Esomeprazole Magnesium	56	13
Ramipril	Ramipril	56	13
Alendronate Sodium	Alendronate Sodium	55	17
Trulicity	Dulaglutide	52	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	51	27
Amitriptyline Hcl	Amitriptyline Hcl	50	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	50	14
Farxiga	Dapagliflozin Propanediol	47	suppressed
Finasteride	Finasteride	47	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	46	14
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	45	suppressed
Januvia	Sitagliptin Phosphate	45	suppressed
Glipizide	Glipizide	43	suppressed
Ondansetron Hcl	Ondansetron Hcl	43	suppressed
Synthroid	Levothyroxine Sodium	43	11
Jardiance	Empagliflozin	42	suppressed
Azithromycin	Azithromycin	41	36
Estradiol	Estradiol	41	14
Mirtazapine	Mirtazapine	41	suppressed
Pregabalin	Pregabalin	41	suppressed
Propranolol Hcl	Propranolol Hcl	41	suppressed
Paroxetine Hcl	Paroxetine Hcl	40	11
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	40	11
Pioglitazone Hcl	Pioglitazone Hcl	39	11
Topiramate	Topiramate	39	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	39	suppressed
Nystatin	Nystatin	38	18
Fluoxetine Hcl	Fluoxetine Hcl	37	suppressed
Naproxen	Naproxen	37	25
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	37	suppressed
Clonazepam	Clonazepam	36	suppressed
Gemtesa	Vibegron	36	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	36	suppressed
Valacyclovir	Valacyclovir Hcl	35	14
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	34	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	33	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	33	suppressed
Aripiprazole	Aripiprazole	32	suppressed
Fentanyl	Fentanyl	32	suppressed
Meclizine Hcl	Meclizine Hcl	32	12
Pravastatin Sodium	Pravastatin Sodium	32	suppressed
Baclofen	Baclofen	31	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	31	13
Spironolactone-Hctz	Spironolact/Hydrochlorothiazid	31	suppressed
Mounjaro	Tirzepatide	30	suppressed
Torsemide	Torsemide	28	suppressed
Benazepril Hcl	Benazepril Hcl	27	suppressed
Ibandronate Sodium	Ibandronate Sodium	27	suppressed
Acyclovir	Acyclovir	26	suppressed
Cinacalcet Hcl	Cinacalcet Hcl	26	suppressed
Methadone Hcl	Methadone Hcl	26	suppressed
Sotalol	Sotalol Hcl	26	suppressed
Breo Ellipta	Fluticasone/Vilanterol	25	suppressed
Haloperidol	Haloperidol	25	suppressed
Primidone	Primidone	25	suppressed
Raloxifene Hcl	Raloxifene Hcl	25	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	23	20
Dicyclomine Hcl	Dicyclomine Hcl	23	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	23	suppressed
Pilocarpine Hcl	Pilocarpine Hcl	23	suppressed
Propranolol Hcl Er	Propranolol Hcl	23	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	23	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	22	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	22	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	22	suppressed
Levetiracetam	Levetiracetam	21	suppressed
Memantine Hcl Er	Memantine Hcl	21	suppressed
Ezetimibe	Ezetimibe	20	suppressed
Cefpodoxime Proxetil	Cefpodoxime Proxetil	19	14
Levofloxacin	Levofloxacin	19	13
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	19	suppressed
Premarin	Estrogens, Conjugated	19	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	19	suppressed
Tresiba Flextouch U-100	Insulin Degludec	19	suppressed
Calcitonin-Salmon	Calcitonin,salmon,synthetic	18	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	18	suppressed
Divalproex Sodium	Divalproex Sodium	18	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	18	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	18	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	18	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	18	18
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	18	suppressed
Amoxicillin	Amoxicillin	17	11
Bisoprolol Fumarate	Bisoprolol Fumarate	17	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	17	suppressed
Metronidazole	Metronidazole	17	14
Tolterodine Tartrate Er	Tolterodine Tartrate	17	suppressed
Fluconazole	Fluconazole	16	11
Ranolazine Er	Ranolazine	16	suppressed
Symbicort	Budesonide/Formoterol Fumarate	16	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	16	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	15	12
Potassium Citrate Er	Potassium Citrate	15	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	15	suppressed
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Cholestyramine	Cholestyramine (With Sugar)	14	suppressed
Diclofenac Sodium	Diclofenac Sodium	14	suppressed
Eszopiclone	Eszopiclone	14	suppressed
Ibuprofen	Ibuprofen	14	11
Mometasone Furoate	Mometasone Furoate	14	suppressed
Nebivolol Hcl	Nebivolol Hcl	14	suppressed
Cholestyramine Light	Cholestyramine	13	suppressed
Diclofenac Potassium	Diclofenac Potassium	13	suppressed
Estradiol (Twice Weekly)	Estradiol	13	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	13	suppressed
Indomethacin	Indomethacin	13	suppressed
Promethazine Hcl	Promethazine Hcl	13	suppressed
Repatha Sureclick	Evolocumab	13	suppressed
Clonidine Hcl	Clonidine Hcl	12	suppressed
Dilantin	Phenytoin Sodium Extended	12	suppressed
Hydralazine Hcl	Hydralazine Hcl	12	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	12	suppressed
Nitroglycerin	Nitroglycerin	12	suppressed
Rivastigmine	Rivastigmine	12	suppressed
Tramadol Hcl Er	Tramadol Hcl	12	suppressed
Bumetanide	Bumetanide	11	suppressed
Chlorthalidone	Chlorthalidone	11	suppressed
Creon	Lipase/Protease/Amylase	11	suppressed
Digoxin	Digoxin	11	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	11	suppressed
Humalog Kwikpen U-100	Insulin Lispro	11	suppressed
Linzess	Linaclotide	11	suppressed
Moxifloxacin	Moxifloxacin Hcl	11	suppressed
Neomycin-Polymyxin-Hc	Neomycin/Polymyxin B/Hydrocort	11	suppressed
Np Thyroid	Thyroid,pork	11	suppressed
Sildenafil Citrate	Sildenafil Citrate	11	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	11	suppressed
Tramadol Hcl-Acetaminophen	Tramadol Hcl/Acetaminophen	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