Healthcare provider profile · identity verified

Rick W. Williams, MD

Family Practice · OZARK, MO · NPI 1063596278

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	1135	297
Amlodipine Besylate	Amlodipine Besylate	673	172
Lisinopril	Lisinopril	604	163
Levothyroxine Sodium	Levothyroxine Sodium	603	160
Omeprazole	Omeprazole	584	169
Gabapentin	Gabapentin	454	127
Tramadol Hcl	Tramadol Hcl	405	87
Tamsulosin Hcl	Tamsulosin Hcl	403	108
Metoprolol Succinate	Metoprolol Succinate	398	105
Pantoprazole Sodium	Pantoprazole Sodium	385	95
Losartan Potassium	Losartan Potassium	377	94
Simvastatin	Simvastatin	365	94
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	347	88
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	330	54
Rosuvastatin Calcium	Rosuvastatin Calcium	304	86
Potassium Chloride	Potassium Chloride	287	89
Duloxetine Hcl	Duloxetine Hcl	282	63
Eliquis	Apixaban	281	51
Hydrochlorothiazide	Hydrochlorothiazide	279	74
Furosemide	Furosemide	278	81
Albuterol Sulfate Hfa	Albuterol Sulfate	252	77
Trazodone Hcl	Trazodone Hcl	243	65
Metformin Hcl Er	Metformin Hcl	242	70
Meloxicam	Meloxicam	239	71
Alprazolam	Alprazolam	237	38
Metformin Hcl	Metformin Hcl	230	68
Tizanidine Hcl	Tizanidine Hcl	211	63
Escitalopram Oxalate	Escitalopram Oxalate	206	55
Pravastatin Sodium	Pravastatin Sodium	197	49
Allopurinol	Allopurinol	194	55
Metoprolol Tartrate	Metoprolol Tartrate	193	55
Carvedilol	Carvedilol	173	44
Fluticasone Propionate	Fluticasone Propionate	169	69
Citalopram Hbr	Citalopram Hydrobromide	168	45
Famotidine	Famotidine	167	49
Clonazepam	Clonazepam	164	35
Fluoxetine Hcl	Fluoxetine Hcl	164	38
Bupropion Xl	Bupropion Hcl	153	34
Mirtazapine	Mirtazapine	148	40
Alendronate Sodium	Alendronate Sodium	145	47
Glimepiride	Glimepiride	140	37
Calcitriol	Calcitriol	136	38
Warfarin Sodium	Warfarin Sodium	133	30
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	126	124
Arexvy	Rsvpref3 Antigen/As01e/Pf	120	120
Amitriptyline Hcl	Amitriptyline Hcl	117	28
Xarelto	Rivaroxaban	114	24
Azelastine Hcl	Azelastine Hcl	108	64
Clopidogrel	Clopidogrel Bisulfate	107	35
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	107	15
Sertraline Hcl	Sertraline Hcl	107	28
Jardiance	Empagliflozin	101	28
Irbesartan	Irbesartan	100	22
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	100	24
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	98	20
Atenolol	Atenolol	96	25
Pregabalin	Pregabalin	92	27
Lovastatin	Lovastatin	90	23
Finasteride	Finasteride	89	25
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	88	22
Buspirone Hcl	Buspirone Hcl	87	23
Lorazepam	Lorazepam	87	18
Propranolol Hcl	Propranolol Hcl	85	20
Fenofibrate	Fenofibrate	83	22
Montelukast Sodium	Montelukast Sodium	82	22
Prednisone	Prednisone	81	49
Zolpidem Tartrate	Zolpidem Tartrate	80	16
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	77	20
Ezetimibe	Ezetimibe	76	20
Spironolactone	Spironolactone	76	21
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	75	16
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	73	14
Synthroid	Levothyroxine Sodium	73	17
Venlafaxine Hcl Er	Venlafaxine Hcl	71	15
Klor-Con M20	Potassium Chloride	70	28
Doxazosin Mesylate	Doxazosin Mesylate	69	21
Myrbetriq	Mirabegron	67	13
Donepezil Hcl	Donepezil Hcl	66	18
Dicyclomine Hcl	Dicyclomine Hcl	65	13
Pioglitazone Hcl	Pioglitazone Hcl	61	20
Triamcinolone Acetonide	Triamcinolone Acetonide	61	43
Ibuprofen	Ibuprofen	57	17
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	56	19
Isosorbide Mononitrate Er	Isosorbide Mononitrate	55	14
Trulicity	Dulaglutide	55	suppressed
Ramipril	Ramipril	54	15
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	53	14
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	52	13
Januvia	Sitagliptin Phosphate	51	12
Naproxen	Naproxen	51	24
Valacyclovir	Valacyclovir Hcl	51	16
Quetiapine Fumarate	Quetiapine Fumarate	49	12
Fenofibrate	Fenofibrate Nanocrystallized	47	11
Clonidine Hcl	Clonidine Hcl	46	suppressed
Etodolac	Etodolac	46	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	46	31
Olmesartan Medoxomil	Olmesartan Medoxomil	46	12
Propranolol Hcl Er	Propranolol Hcl	46	suppressed
Mupirocin	Mupirocin	45	37
Chlorthalidone	Chlorthalidone	42	12
Terazosin Hcl	Terazosin Hcl	42	suppressed
Farxiga	Dapagliflozin Propanediol	41	suppressed
Oxycodone Hcl	Oxycodone Hcl	41	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	40	14
Gemfibrozil	Gemfibrozil	40	suppressed
Ozempic	Semaglutide	39	suppressed
Breo Ellipta	Fluticasone/Vilanterol	38	suppressed
Celecoxib	Celecoxib	38	11
Hydroxyzine Hcl	Hydroxyzine Hcl	38	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	38	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	38	suppressed
Baclofen	Baclofen	37	suppressed
Bumetanide	Bumetanide	37	11
Metoclopramide Hcl	Metoclopramide Hcl	34	suppressed
Ondansetron Odt	Ondansetron	34	suppressed
Temazepam	Temazepam	34	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	34	suppressed
Telmisartan	Telmisartan	33	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	31	27
Oxybutynin Chloride Er	Oxybutynin Chloride	31	suppressed
Levemir Flexpen	Insulin Detemir	30	suppressed
Tradjenta	Linagliptin	30	suppressed
Acyclovir	Acyclovir	29	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	29	suppressed
Glipizide	Glipizide	29	suppressed
Ropinirole Hcl	Ropinirole Hcl	29	suppressed
Symbicort	Budesonide/Formoterol Fumarate	29	suppressed
Bevespi Aerosphere	Glycopyrrolate/Formoterol Fum	28	suppressed
Entresto	Sacubitril/Valsartan	28	suppressed
Ondansetron Hcl	Ondansetron Hcl	28	15
Primidone	Primidone	28	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	27	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	27	suppressed
Methenamine Hippurate	Methenamine Hippurate	26	suppressed
Mounjaro	Tirzepatide	26	suppressed
Paroxetine Hcl	Paroxetine Hcl	26	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	26	suppressed
Levetiracetam	Levetiracetam	25	suppressed
Nitroglycerin	Nitroglycerin	25	22
Rybelsus	Semaglutide	25	suppressed
Diazepam	Diazepam	24	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	24	suppressed
Topiramate	Topiramate	24	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	23	suppressed
Cefdinir	Cefdinir	23	21
Tresiba Flextouch U-200	Insulin Degludec	23	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Eszopiclone	Eszopiclone	22	suppressed
Raloxifene Hcl	Raloxifene Hcl	22	suppressed
Cephalexin	Cephalexin	21	19
Hydralazine Hcl	Hydralazine Hcl	21	suppressed
Meclizine Hcl	Meclizine Hcl	21	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	21	21
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	20	suppressed
Benazepril Hcl	Benazepril Hcl	20	suppressed
Dilt-Xr	Diltiazem Hcl	20	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	20	suppressed
Memantine Hcl	Memantine Hcl	20	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	20	suppressed
Amiodarone Hcl	Amiodarone Hcl	19	suppressed
Ventolin Hfa	Albuterol Sulfate	19	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	18	16
Lansoprazole	Lansoprazole	18	suppressed
Novolog Flexpen	Insulin Aspart	18	suppressed
Valsartan	Valsartan	18	suppressed
Estradiol	Estradiol	17	suppressed
Soliqua 100-33	Insulin Glargine/Lixisenatide	17	suppressed
Cholestyramine	Cholestyramine (With Sugar)	16	suppressed
Colesevelam Hcl	Colesevelam Hcl	16	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	16	suppressed
Hydrocortisone	Hydrocortisone	16	suppressed
Ibandronate Sodium	Ibandronate Sodium	16	suppressed
Ipratropium Bromide	Ipratropium Bromide	16	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	16	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	15	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	15	suppressed
Procto-Med Hc	Hydrocortisone	15	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	15	suppressed
Verapamil Er	Verapamil Hcl	15	suppressed
Cilostazol	Cilostazol	14	suppressed
Incruse Ellipta	Umeclidinium Bromide	14	suppressed
Novolin 70-30 Flexpen	Insulin Nph Hum/Reg Insulin Hm	14	suppressed
Testosterone Cypionate	Testosterone Cypionate	14	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	13	12
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Fentanyl	Fentanyl	13	suppressed
Fluconazole	Fluconazole	13	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	13	suppressed
Imipramine Hcl	Imipramine Hcl	13	suppressed
Nabumetone	Nabumetone	13	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	12	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	12	suppressed
Dropsafe Prep Pads	Alcohol Antiseptic Pads	12	suppressed
Humalog Mix 75-25 Kwikpen	Insulin Lispro Protamin/Lispro	12	suppressed
Jentadueto	Linagliptin/Metformin Hcl	12	suppressed
Lamotrigine	Lamotrigine	12	suppressed
Nifedipine Er	Nifedipine	12	suppressed
Serevent Diskus	Salmeterol Xinafoate	12	suppressed
Testosterone	Testosterone	12	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	11	suppressed
Enalapril Maleate	Enalapril Maleate	11	suppressed
Oxycontin	Oxycodone Hcl	11	suppressed
Pradaxa	Dabigatran Etexilate Mesylate	11	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	11	suppressed
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	11	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	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