Healthcare provider profile · identity verified

Peter K Maung, MD, FACP, CMD

Geriatric Medicine · CHARLESTON, SC · NPI 1740219922

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	1807	226
Amlodipine Besylate	Amlodipine Besylate	1682	175
Eliquis	Apixaban	1044	102
Gabapentin	Gabapentin	1036	136
Levothyroxine Sodium	Levothyroxine Sodium	830	79
Divalproex Sodium	Divalproex Sodium	760	82
Famotidine	Famotidine	712	119
Furosemide	Furosemide	681	114
Metoprolol Tartrate	Metoprolol Tartrate	679	89
Potassium Chloride	Potassium Chloride	675	87
Levetiracetam	Levetiracetam	590	66
Metformin Hcl	Metformin Hcl	560	76
Mirtazapine	Mirtazapine	516	82
Trazodone Hcl	Trazodone Hcl	493	72
Omeprazole	Omeprazole	483	57
Losartan Potassium	Losartan Potassium	477	69
Carvedilol	Carvedilol	406	72
Baclofen	Baclofen	397	52
Buspirone Hcl	Buspirone Hcl	354	47
Sertraline Hcl	Sertraline Hcl	353	49
Tamsulosin Hcl	Tamsulosin Hcl	347	54
Lisinopril	Lisinopril	344	43
Pantoprazole Sodium	Pantoprazole Sodium	323	59
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	315	66
Citalopram Hbr	Citalopram Hydrobromide	312	31
Metoprolol Succinate	Metoprolol Succinate	307	43
Risperidone	Risperidone	293	37
Duloxetine Hcl	Duloxetine Hcl	283	32
Quetiapine Fumarate	Quetiapine Fumarate	278	42
Pravastatin Sodium	Pravastatin Sodium	239	30
Spironolactone	Spironolactone	237	35
Entresto	Sacubitril/Valsartan	228	21
Clopidogrel	Clopidogrel Bisulfate	215	38
Jardiance	Empagliflozin	208	23
Escitalopram Oxalate	Escitalopram Oxalate	207	32
Glipizide	Glipizide	207	24
Fluoxetine Hcl	Fluoxetine Hcl	177	18
Simvastatin	Simvastatin	168	suppressed
Hydralazine Hcl	Hydralazine Hcl	155	31
Donepezil Hcl	Donepezil Hcl	151	24
Paroxetine Hcl	Paroxetine Hcl	147	16
Ondansetron Hcl	Ondansetron Hcl	146	60
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	142	26
Lorazepam	Lorazepam	137	34
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	136	28
Finasteride	Finasteride	130	12
Allopurinol	Allopurinol	124	26
Nystatin	Nystatin	123	39
Azithromycin	Azithromycin	122	60
Doxepin Hcl	Doxepin Hcl	121	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	121	24
Latanoprost	Latanoprost	119	26
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	118	51
Hydrochlorothiazide	Hydrochlorothiazide	116	16
Doxycycline Hyclate	Doxycycline Hyclate	112	61
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	111	43
Divalproex Sodium Er	Divalproex Sodium	108	15
Insulin Lispro Kwikpen U-100	Insulin Lispro	106	28
Alprazolam	Alprazolam	105	19
Prednisone	Prednisone	105	46
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	99	52
Clonazepam	Clonazepam	94	14
Oxycodone Hcl	Oxycodone Hcl	93	25
Valproic Acid	Valproic Acid (As Sodium Salt)	93	12
Ropinirole Hcl	Ropinirole Hcl	92	suppressed
Memantine Hcl	Memantine Hcl	90	suppressed
Xarelto	Rivaroxaban	90	16
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	88	58
Hydroxyzine Hcl	Hydroxyzine Hcl	84	19
Primidone	Primidone	83	suppressed
Olanzapine	Olanzapine	81	14
Fluconazole	Fluconazole	80	33
Haloperidol	Haloperidol	80	12
Montelukast Sodium	Montelukast Sodium	78	suppressed
Ciclopirox	Ciclopirox Olamine	77	26
Farxiga	Dapagliflozin Propanediol	71	11
Januvia	Sitagliptin Phosphate	70	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	69	27
Fiasp Flextouch	Insulin Aspart (Niacinamide)	69	22
Tramadol Hcl	Tramadol Hcl	66	19
Amiodarone Hcl	Amiodarone Hcl	64	14
Cephalexin	Cephalexin	63	40
Venlafaxine Hcl Er	Venlafaxine Hcl	63	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	60	suppressed
Pregabalin	Pregabalin	59	11
Tizanidine Hcl	Tizanidine Hcl	59	11
Metronidazole	Metronidazole	57	31
Carbidopa-Levodopa	Carbidopa/Levodopa	56	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	56	17
Fluticasone Propionate	Fluticasone Propionate	56	21
Benazepril Hcl	Benazepril Hcl	55	suppressed
Nifedipine Er	Nifedipine	55	11
Insulin Aspart Flexpen	Insulin Aspart	54	19
Benztropine Mesylate	Benztropine Mesylate	52	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	52	18
Levofloxacin	Levofloxacin	52	31
Novolog Flexpen	Insulin Aspart	52	21
Humalog Kwikpen U-100	Insulin Lispro	51	12
Scopolamine	Scopolamine	48	suppressed
Atenolol	Atenolol	47	suppressed
Levemir Flexpen	Insulin Detemir	47	14
Diazepam	Diazepam	46	suppressed
Lacosamide	Lacosamide	46	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	46	suppressed
Valsartan	Valsartan	45	suppressed
Calcitriol	Calcitriol	44	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	44	suppressed
Haloperidol Lactate	Haloperidol Lactate	44	25
Phenobarbital	Phenobarbital	43	suppressed
Torsemide	Torsemide	43	suppressed
Colchicine	Colchicine	42	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	42	suppressed
Phenytoin	Phenytoin	42	suppressed
Descovy	Emtricitabine/Tenofov Alafenam	41	suppressed
Dapagliflozin	Dapagliflozin Propanediol	39	12
Warfarin Sodium	Warfarin Sodium	39	suppressed
Albuterol Sulfate	Albuterol Sulfate	38	17
Dorzolamide Hcl	Dorzolamide Hcl	38	suppressed
Propranolol Hcl	Propranolol Hcl	38	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	37	suppressed
Midodrine Hcl	Midodrine Hcl	37	15
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	37	suppressed
Bumetanide	Bumetanide	36	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	36	22
Trulicity	Dulaglutide	36	suppressed
Unifine Safecontrol Pen Needle	Pen Needle,dual Safety,diabetc	35	20
Aripiprazole	Aripiprazole	34	suppressed
Diltiazem Hcl	Diltiazem Hcl	34	suppressed
Lamotrigine	Lamotrigine	31	suppressed
Promethazine Hcl	Promethazine Hcl	31	suppressed
Topiramate	Topiramate	30	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	30	11
Ketoconazole	Ketoconazole	29	16
Santyl	Collagenase Clostridium Hist.	29	15
Sevelamer Carbonate	Sevelamer Carbonate	29	suppressed
Ezetimibe	Ezetimibe	28	suppressed
Methotrexate	Methotrexate Sodium	28	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	27	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	27	suppressed
Chlorpromazine Hcl	Chlorpromazine Hcl	26	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	26	17
Bupropion Xl	Bupropion Hcl	25	suppressed
Enalapril Maleate	Enalapril Maleate	25	suppressed
Tivicay	Dolutegravir Sodium	25	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	24	suppressed
Ceftriaxone	Ceftriaxone Sodium	24	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	24	11
Labetalol Hcl	Labetalol Hcl	24	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	24	suppressed
Methimazole	Methimazole	24	suppressed
Amoxicillin	Amoxicillin	23	11
Megestrol Acetate	Megestrol Acetate	23	suppressed
Vraylar	Cariprazine Hcl	23	suppressed
Isentress	Raltegravir Potassium	22	suppressed
Propylthiouracil	Propylthiouracil	22	suppressed
Ssd	Silver Sulfadiazine	22	suppressed
Tobramycin-Dexamethasone	Tobramycin/Dexamethasone	22	16
Zonisamide	Zonisamide	22	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	21	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	21	suppressed
Lurasidone Hcl	Lurasidone Hcl	21	suppressed
Nystop	Nystatin	21	11
Rasagiline Mesylate	Rasagiline Mesylate	21	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	21	suppressed
Timolol Maleate	Timolol Maleate	21	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	20	suppressed
Mupirocin	Mupirocin	20	suppressed
Ventolin Hfa	Albuterol Sulfate	20	suppressed
Amantadine	Amantadine Hcl	19	suppressed
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	19	suppressed
Clotrimazole	Clotrimazole	19	suppressed
Cyproheptadine Hcl	Cyproheptadine Hcl	19	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	19	suppressed
Levemir	Insulin Detemir	19	suppressed
Sps	Sodium Polystyrene Sulfon/Sorb	19	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	18	suppressed
Breyna	Budesonide/Formoterol Fumarate	18	suppressed
Digoxin	Digoxin	18	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	18	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	18	suppressed
Lidocaine Hcl Viscous	Lidocaine Hcl	18	13
Oxybutynin Chloride	Oxybutynin Chloride	18	suppressed
Calcitonin-Salmon	Calcitonin,salmon,synthetic	17	suppressed
Carbamazepine	Carbamazepine	17	suppressed
Creon	Lipase/Protease/Amylase	17	suppressed
Glipizide Er	Glipizide	17	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	17	suppressed
Metformin Hcl Er	Metformin Hcl	17	suppressed
Admelog Solostar	Insulin Lispro	16	suppressed
Lidocaine Hcl	Lidocaine Hcl	16	suppressed
Naproxen	Naproxen	16	suppressed
Oxcarbazepine	Oxcarbazepine	16	suppressed
Chlorthalidone	Chlorthalidone	15	suppressed
Colesevelam Hcl	Colesevelam Hcl	15	suppressed
Fluphenazine Hcl	Fluphenazine Hcl	15	suppressed
Lamotrigine Er	Lamotrigine	15	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	15	suppressed
Olanzapine Odt	Olanzapine	15	suppressed
Spiriva Respimat	Tiotropium Bromide	15	suppressed
Breo Ellipta	Fluticasone/Vilanterol	14	suppressed
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Cyclosporine	Cyclosporine	14	suppressed
Hydrocortisone	Hydrocortisone	14	suppressed
Lactulose	Lactulose	14	suppressed
Novolog	Insulin Aspart	14	suppressed
Paliperidone Er	Paliperidone	14	suppressed
Ammonium Lactate	Ammonium Lactate	13	suppressed
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Lovastatin	Lovastatin	13	suppressed
Meloxicam	Meloxicam	13	suppressed
Morphine Sulfate	Morphine Sulfate	13	13
Neomycin-Polymyxin-Dexameth	Neomycin/Polymyxin B/Dexametha	13	suppressed
Restasis	Cyclosporine	13	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	13	suppressed
Biktarvy	Bictegrav/Emtricit/Tenofov Ala	12	suppressed
Budesonide	Budesonide	12	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	12	suppressed
Erythromycin	Erythromycin Base	12	suppressed
Humalog	Insulin Lispro	12	suppressed
Letrozole	Letrozole	12	suppressed
Mayzent	Siponimod	12	suppressed
Novolin N Flexpen	Insulin Nph Human Isophane	12	suppressed
Raloxifene Hcl	Raloxifene Hcl	12	suppressed
Sevelamer Hcl	Sevelamer Hcl	12	suppressed
Sodium Chloride	0.9 % Sodium Chloride	12	suppressed
Sucralfate	Sucralfate	12	suppressed
Combigan	Brimonidine Tartrate/Timolol	11	suppressed
Ertapenem	Ertapenem Sodium	11	suppressed
Insulin Lispro	Insulin Lispro	11	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	11	suppressed
Meclizine Hcl	Meclizine Hcl	11	suppressed
Nyamyc	Nystatin	11	suppressed
Prazosin Hcl	Prazosin Hcl	11	suppressed
Spiriva Handihaler	Tiotropium Bromide	11	suppressed
Tiotropium Bromide	Tiotropium Bromide	11	suppressed
Tresiba Flextouch U-100	Insulin Degludec	11	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	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