Healthcare provider profile · identity verified

Koby Michael Dixon, MD

General Practice · CHAPEL HILL, NC · NPI 1134784937

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	483	107
Atorvastatin Calcium	Atorvastatin Calcium	384	106
Furosemide	Furosemide	359	101
Trazodone Hcl	Trazodone Hcl	345	85
Mirtazapine	Mirtazapine	315	65
Gabapentin	Gabapentin	308	85
Sertraline Hcl	Sertraline Hcl	300	67
Buspirone Hcl	Buspirone Hcl	275	61
Pantoprazole Sodium	Pantoprazole Sodium	273	73
Amlodipine Besylate	Amlodipine Besylate	248	62
Potassium Chloride	Potassium Chloride	211	66
Eliquis	Apixaban	207	49
Divalproex Sodium	Divalproex Sodium	205	52
Tamsulosin Hcl	Tamsulosin Hcl	190	45
Quetiapine Fumarate	Quetiapine Fumarate	180	35
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	179	45
Lisinopril	Lisinopril	179	45
Metoprolol Tartrate	Metoprolol Tartrate	174	51
Carvedilol	Carvedilol	142	38
Metformin Hcl	Metformin Hcl	142	30
Clopidogrel	Clopidogrel Bisulfate	138	46
Donepezil Hcl	Donepezil Hcl	137	35
Famotidine	Famotidine	136	42
Escitalopram Oxalate	Escitalopram Oxalate	134	33
Midodrine Hcl	Midodrine Hcl	127	47
Metoprolol Succinate	Metoprolol Succinate	123	38
Losartan Potassium	Losartan Potassium	113	31
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	103	39
Prednisone	Prednisone	103	52
Montelukast Sodium	Montelukast Sodium	95	22
Omeprazole	Omeprazole	93	40
Spironolactone	Spironolactone	93	23
Memantine Hcl	Memantine Hcl	92	24
Ondansetron Hcl	Ondansetron Hcl	89	65
Jardiance	Empagliflozin	88	19
Levetiracetam	Levetiracetam	88	25
Cephalexin	Cephalexin	85	45
Hydroxyzine Pamoate	Hydroxyzine Pamoate	85	43
Olanzapine	Olanzapine	79	20
Warfarin Sodium	Warfarin Sodium	75	suppressed
Ropinirole Hcl	Ropinirole Hcl	74	13
Xarelto	Rivaroxaban	73	16
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	69	69
Baclofen	Baclofen	66	19
Nystatin	Nystatin	66	29
Torsemide	Torsemide	66	17
Aripiprazole	Aripiprazole	65	15
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	64	43
Methocarbamol	Methocarbamol	63	35
Risperidone	Risperidone	63	16
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	62	17
Hydroxyzine Hcl	Hydroxyzine Hcl	62	31
Insulin Lispro Kwikpen U-100	Insulin Lispro	62	17
Albuterol Sulfate Hfa	Albuterol Sulfate	61	45
Trulicity	Dulaglutide	61	15
Isosorbide Mononitrate Er	Isosorbide Mononitrate	60	15
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	59	39
Duloxetine Hcl	Duloxetine Hcl	59	21
Citalopram Hbr	Citalopram Hydrobromide	58	17
Doxycycline Hyclate	Doxycycline Hyclate	58	35
Fluticasone Propionate	Fluticasone Propionate	57	34
Fluconazole	Fluconazole	56	34
Fluoxetine Hcl	Fluoxetine Hcl	56	15
Allopurinol	Allopurinol	52	16
Finasteride	Finasteride	52	15
Lactulose	Lactulose	52	11
Rosuvastatin Calcium	Rosuvastatin Calcium	51	18
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	50	32
Glipizide	Glipizide	49	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	45	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	45	suppressed
Paroxetine Hcl	Paroxetine Hcl	44	11
Latanoprost	Latanoprost	42	18
Mresvia	Rsv Vaccine, Pref, Mrna/Pf	41	41
Simvastatin	Simvastatin	41	11
Propranolol Hcl	Propranolol Hcl	40	12
Primidone	Primidone	39	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	38	38
Hydralazine Hcl	Hydralazine Hcl	38	19
Sucralfate	Sucralfate	37	suppressed
Lidocaine Hcl	Lidocaine Hcl	36	23
Venlafaxine Hcl Er	Venlafaxine Hcl	36	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	34	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	34	suppressed
Tramadol Hcl	Tramadol Hcl	34	17
Amoxicillin	Amoxicillin	33	11
Ceftriaxone	Ceftriaxone Sodium	33	20
Ciprofloxacin Hcl	Ciprofloxacin Hcl	33	25
Amiodarone Hcl	Amiodarone Hcl	32	14
Atenolol	Atenolol	32	suppressed
Carbamazepine Er	Carbamazepine	32	suppressed
Sodium Chloride	0.9 % Sodium Chloride	32	23
Bumetanide	Bumetanide	31	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	31	11
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	29	13
Lamotrigine	Lamotrigine	29	suppressed
Methotrexate	Methotrexate Sodium	29	suppressed
Ranolazine Er	Ranolazine	29	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	28	suppressed
Meloxicam	Meloxicam	28	suppressed
Topiramate	Topiramate	28	suppressed
Tizanidine Hcl	Tizanidine Hcl	27	suppressed
Diltiazem 12hr Er	Diltiazem Hcl	26	suppressed
Farxiga	Dapagliflozin Propanediol	26	suppressed
Nitroglycerin	Nitroglycerin	26	18
Albuterol Sulfate	Albuterol Sulfate	25	13
Breo Ellipta	Fluticasone/Vilanterol	25	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	25	suppressed
Meclizine Hcl	Meclizine Hcl	25	suppressed
Metformin Hcl Er	Metformin Hcl	25	suppressed
Myrbetriq	Mirabegron	25	suppressed
Tresiba Flextouch U-100	Insulin Degludec	25	suppressed
Pravastatin Sodium	Pravastatin Sodium	24	suppressed
Solifenacin Succinate	Solifenacin Succinate	24	suppressed
Azithromycin	Azithromycin	23	11
Insulin Aspart Flexpen	Insulin Aspart	23	12
Oxybutynin Chloride	Oxybutynin Chloride	23	suppressed
Veltassa	Patiromer Calcium Sorbitex	23	suppressed
Diclofenac Sodium	Diclofenac Sodium	22	14
Levofloxacin	Levofloxacin	22	16
Lorazepam	Lorazepam	22	suppressed
Nystop	Nystatin	22	17
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	22	suppressed
Promethazine Hcl	Promethazine Hcl	22	suppressed
Entresto	Sacubitril/Valsartan	21	suppressed
Ezetimibe	Ezetimibe	21	suppressed
Ondansetron Odt	Ondansetron	21	suppressed
Cefuroxime	Cefuroxime Axetil	20	16
Celecoxib	Celecoxib	20	suppressed
Haloperidol	Haloperidol	20	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	20	16
Bupropion Hcl Sr	Bupropion Hcl	19	suppressed
Clonidine Hcl	Clonidine Hcl	19	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	19	suppressed
Diltiazem Hcl	Diltiazem Hcl	19	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	19	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	18	suppressed
Januvia	Sitagliptin Phosphate	18	suppressed
Santyl	Collagenase Clostridium Hist.	18	12
Benztropine Mesylate	Benztropine Mesylate	17	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	11
Oxycodone Hcl	Oxycodone Hcl	17	suppressed
Ozempic	Semaglutide	17	suppressed
Rexulti	Brexpiprazole	17	suppressed
Rivastigmine	Rivastigmine Tartrate	17	suppressed
Theophylline Er	Theophylline Anhydrous	17	suppressed
Carbamazepine	Carbamazepine	16	suppressed
Digoxin	Digoxin	16	suppressed
Dorzolamide-Timolol	Dorzolamide/Timolol/Pf	16	suppressed
Hydrocortisone	Hydrocortisone	16	12
Ibuprofen	Ibuprofen	16	suppressed
Novolog Flexpen	Insulin Aspart	16	suppressed
Alendronate Sodium	Alendronate Sodium	15	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	15	suppressed
Lurasidone Hcl	Lurasidone Hcl	15	suppressed
Methenamine Hippurate	Methenamine Hippurate	15	suppressed
Metolazone	Metolazone	15	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	15	11
Pentips Pen Needle	Pen Needle, Diabetic	15	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	15	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	14	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	14	suppressed
Divalproex Sodium Er	Divalproex Sodium	14	suppressed
Insulin Glargine Solostar	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	14	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	14	suppressed
Ultra-Fine Micro Pen Needle	Pen Needle, Diabetic	14	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Loperamide	Loperamide Hcl	13	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	13	suppressed
Sotalol	Sotalol Hcl	13	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	13	suppressed
Zonisamide	Zonisamide	13	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	12	suppressed
Calcium Acetate	Calcium Acetate	12	suppressed
Doxepin Hcl	Doxepin Hcl	12	suppressed
Hydroxyurea	Hydroxyurea	12	suppressed
Incruse Ellipta	Umeclidinium Bromide	12	suppressed
Ketoconazole	Ketoconazole	12	suppressed
Naproxen	Naproxen	12	suppressed
Nurtec Odt	Rimegepant Sulfate	12	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	12	11
Bupropion Xl	Bupropion Hcl	11	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	11	suppressed
Memantine Hcl Er	Memantine Hcl	11	suppressed
Methimazole	Methimazole	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