Healthcare provider profile · identity verified

David Matlock, MD

Family Practice · MITCHELL, IN · NPI 1528053485

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	1238	265
Atorvastatin Calcium	Atorvastatin Calcium	1206	246
Levothyroxine Sodium	Levothyroxine Sodium	857	168
Losartan Potassium	Losartan Potassium	688	143
Pantoprazole Sodium	Pantoprazole Sodium	582	130
Gabapentin	Gabapentin	564	90
Metformin Hcl	Metformin Hcl	520	114
Furosemide	Furosemide	478	106
Omeprazole	Omeprazole	478	87
Rosuvastatin Calcium	Rosuvastatin Calcium	459	111
Tamsulosin Hcl	Tamsulosin Hcl	428	80
Lisinopril	Lisinopril	422	99
Metoprolol Succinate	Metoprolol Succinate	414	98
Albuterol Sulfate Hfa	Albuterol Sulfate	399	99
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	350	72
Potassium Chloride	Potassium Chloride	321	61
Carvedilol	Carvedilol	305	53
Simvastatin	Simvastatin	280	60
Eliquis	Apixaban	275	45
Ozempic	Semaglutide	265	46
Hydrochlorothiazide	Hydrochlorothiazide	244	61
Buspirone Hcl	Buspirone Hcl	243	45
Pravastatin Sodium	Pravastatin Sodium	233	45
Duloxetine Hcl	Duloxetine Hcl	223	50
Famotidine	Famotidine	220	42
Trazodone Hcl	Trazodone Hcl	209	48
Meloxicam	Meloxicam	203	44
Escitalopram Oxalate	Escitalopram Oxalate	202	46
Montelukast Sodium	Montelukast Sodium	189	35
Alendronate Sodium	Alendronate Sodium	187	49
Alprazolam	Alprazolam	177	32
Metoprolol Tartrate	Metoprolol Tartrate	173	39
Clopidogrel	Clopidogrel Bisulfate	165	38
Clonidine Hcl	Clonidine Hcl	162	32
Atenolol	Atenolol	161	35
Jardiance	Empagliflozin	153	21
Trulicity	Dulaglutide	152	19
Bupropion Xl	Bupropion Hcl	151	32
Allopurinol	Allopurinol	147	32
Finasteride	Finasteride	146	29
Metformin Hcl Er	Metformin Hcl	146	33
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	143	27
Sertraline Hcl	Sertraline Hcl	142	36
Baclofen	Baclofen	141	31
Pregabalin	Pregabalin	139	21
Tizanidine Hcl	Tizanidine Hcl	139	41
Zolpidem Tartrate	Zolpidem Tartrate	136	28
Mirtazapine	Mirtazapine	133	30
Spironolactone	Spironolactone	132	27
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	130	26
Glipizide Er	Glipizide	129	32
Tramadol Hcl	Tramadol Hcl	128	36
Amitriptyline Hcl	Amitriptyline Hcl	119	30
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	115	44
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	115	30
Ropinirole Hcl	Ropinirole Hcl	115	23
Ibuprofen	Ibuprofen	112	16
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	111	27
Mounjaro	Tirzepatide	109	19
Fluoxetine Hcl	Fluoxetine Hcl	104	23
Ezetimibe	Ezetimibe	103	23
Celecoxib	Celecoxib	101	26
Januvia	Sitagliptin Phosphate	101	22
Venlafaxine Hcl Er	Venlafaxine Hcl	99	18
Aripiprazole	Aripiprazole	96	19
Fluticasone Propionate	Fluticasone Propionate	90	35
Dicyclomine Hcl	Dicyclomine Hcl	89	18
Glipizide	Glipizide	88	22
Valsartan	Valsartan	84	20
Ondansetron Hcl	Ondansetron Hcl	82	36
Lorazepam	Lorazepam	81	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	81	38
Spiriva Respimat	Tiotropium Bromide	79	19
Azithromycin	Azithromycin	74	63
Clonazepam	Clonazepam	73	11
Donepezil Hcl	Donepezil Hcl	70	20
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	68	19
Methylprednisolone	Methylprednisolone	66	53
Pioglitazone Hcl	Pioglitazone Hcl	66	15
Xarelto	Rivaroxaban	64	suppressed
Lansoprazole	Lansoprazole	62	11
Synthroid	Levothyroxine Sodium	62	19
Bupropion Hcl Sr	Bupropion Hcl	61	15
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	60	16
Warfarin Sodium	Warfarin Sodium	59	suppressed
Farxiga	Dapagliflozin Propanediol	58	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	58	15
Glipizide-Metformin	Glipizide/Metformin Hcl	57	11
Citalopram Hbr	Citalopram Hydrobromide	55	16
Spiriva Handihaler	Tiotropium Bromide	55	suppressed
Breo Ellipta	Fluticasone/Vilanterol	54	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	54	13
Oxybutynin Chloride	Oxybutynin Chloride	54	suppressed
Meclizine Hcl	Meclizine Hcl	53	19
Diclofenac Sodium	Diclofenac Sodium	52	18
Linzess	Linaclotide	51	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	51	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	51	suppressed
Eszopiclone	Eszopiclone	50	15
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	49	13
Azelastine Hcl	Azelastine Hcl	49	12
Klor-Con M20	Potassium Chloride	48	13
Sucralfate	Sucralfate	48	12
Doxycycline Monohydrate	Doxycycline Monohydrate	47	39
Ventolin Hfa	Albuterol Sulfate	47	14
Amoxicillin	Amoxicillin	44	35
Methocarbamol	Methocarbamol	44	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	44	13
Propranolol Hcl	Propranolol Hcl	44	suppressed
Chlorthalidone	Chlorthalidone	43	11
Etodolac	Etodolac	42	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	42	suppressed
Nystatin	Nystatin	42	27
Benazepril Hcl	Benazepril Hcl	41	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	41	12
Lactulose	Lactulose	41	suppressed
Topiramate	Topiramate	41	suppressed
Estradiol	Estradiol	40	suppressed
Primidone	Primidone	40	suppressed
Cephalexin	Cephalexin	39	28
Levemir Flexpen	Insulin Detemir	39	suppressed
Vascepa	Icosapent Ethyl	39	suppressed
Glimepiride	Glimepiride	38	suppressed
Ramipril	Ramipril	38	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	37	suppressed
Enalapril Maleate	Enalapril Maleate	37	suppressed
Fenofibrate	Fenofibrate	37	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	37	13
Paroxetine Hcl	Paroxetine Hcl	35	suppressed
Propranolol Hcl Er	Propranolol Hcl	35	suppressed
Levetiracetam	Levetiracetam	34	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	34	suppressed
Potassium Citrate Er	Potassium Citrate	34	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	33	12
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	33	22
Prednisone	Prednisone	33	17
Promethazine Hcl	Promethazine Hcl	33	suppressed
Benazepril-Hydrochlorothiazide	Benazepril/Hydrochlorothiazide	32	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	31	28
Roflumilast	Roflumilast	31	suppressed
Temazepam	Temazepam	31	suppressed
Tiotropium Bromide	Tiotropium Bromide	31	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	30	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	30	19
Lovastatin	Lovastatin	30	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	30	suppressed
Diazepam	Diazepam	29	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	29	suppressed
Myrbetriq	Mirabegron	28	suppressed
Keppra	Levetiracetam	27	suppressed
Cefdinir	Cefdinir	26	25
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	26	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	26	16
Doxazosin Mesylate	Doxazosin Mesylate	26	suppressed
Humalog Kwikpen U-200	Insulin Lispro	26	suppressed
Premarin	Estrogens, Conjugated	26	suppressed
Varenicline Tartrate	Varenicline Tartrate	26	11
Minocycline Hcl	Minocycline Hcl	25	suppressed
Ondansetron Odt	Ondansetron	25	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	25	suppressed
Belsomra	Suvorexant	24	suppressed
Cilostazol	Cilostazol	24	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	24	suppressed
Solifenacin Succinate	Solifenacin Succinate	23	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	22	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	22	suppressed
Modafinil	Modafinil	22	suppressed
Mupirocin	Mupirocin	22	13
Naproxen	Naproxen	22	suppressed
Nifedipine Er	Nifedipine	22	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	20	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	20	18
Fluticasone Propionate Hfa	Fluticasone Propionate	20	suppressed
Methotrexate	Methotrexate Sodium	20	suppressed
Nitroglycerin	Nitroglycerin	20	15
Oxybutynin Chloride Er	Oxybutynin Chloride	20	suppressed
Labetalol Hcl	Labetalol Hcl	19	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	19	suppressed
Symbicort	Budesonide/Formoterol Fumarate	19	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	18	suppressed
Amiodarone Hcl	Amiodarone Hcl	17	suppressed
Digoxin	Digoxin	17	suppressed
Divalproex Sodium	Divalproex Sodium	17	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	17	suppressed
Humalog Kwikpen U-100	Insulin Lispro	17	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	17	suppressed
Torsemide	Torsemide	17	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	16	suppressed
Nebivolol Hcl	Nebivolol Hcl	16	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	16	suppressed
Acarbose	Acarbose	15	suppressed
Colestipol Hcl	Colestipol Hcl	15	suppressed
Fluconazole	Fluconazole	15	suppressed
Easy Comfort Pen Needles	Pen Needle, Diabetic	14	suppressed
Entresto	Sacubitril/Valsartan	14	suppressed
Flecainide Acetate	Flecainide Acetate	14	suppressed
Humulin N	Insulin Nph Human Isophane	14	suppressed
Ibandronate Sodium	Ibandronate Sodium	14	suppressed
Lamotrigine	Lamotrigine	14	suppressed
Memantine Hcl	Memantine Hcl	14	suppressed
Novolog Flexpen	Insulin Aspart	14	suppressed
Serevent Diskus	Salmeterol Xinafoate	14	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	14	suppressed
Armodafinil	Armodafinil	13	suppressed
Bupropion Hcl	Bupropion Hcl	13	suppressed
Carbamazepine Er	Carbamazepine	13	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	13	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	13	suppressed
Folic Acid	Folic Acid	13	suppressed
Hydralazine Hcl	Hydralazine Hcl	13	suppressed
Imipramine Hcl	Imipramine Hcl	13	suppressed
Incruse Ellipta	Umeclidinium Bromide	13	suppressed
Lidocaine	Lidocaine	13	suppressed
Lubiprostone	Lubiprostone	13	suppressed
Movantik	Naloxegol Oxalate	13	suppressed
Paroxetine Er	Paroxetine Hcl	13	suppressed
Risperidone	Risperidone	13	suppressed
Rivastigmine	Rivastigmine Tartrate	13	suppressed
Tradjenta	Linagliptin	13	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	13	suppressed
Zaleplon	Zaleplon	13	suppressed
Azelastine-Fluticasone	Azelastine/Fluticasone	12	suppressed
Bethanechol Chloride	Bethanechol Chloride	12	suppressed
Desmopressin Acetate	Desmopressin Acetate	12	suppressed
Dropsafe Prep Pads	Alcohol Antiseptic Pads	12	suppressed
Levofloxacin	Levofloxacin	12	12
Lurasidone Hcl	Lurasidone Hcl	12	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	11	suppressed
Icosapent Ethyl	Icosapent Ethyl	11	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	11	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	11	suppressed
Raloxifene Hcl	Raloxifene Hcl	11	suppressed
Testosterone Cypionate	Testosterone Cypionate	11	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	11	suppressed
Veo Insulin Syringe	Syring-Needl,disp,insul,0.3 Ml	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