Healthcare provider profile · identity verified

Charles Nam, MD

Internal Medicine · PUYALLUP, WA · NPI 1588611313

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	1065	277
Amlodipine Besylate	Amlodipine Besylate	684	188
Levothyroxine Sodium	Levothyroxine Sodium	477	117
Losartan Potassium	Losartan Potassium	405	114
Metoprolol Succinate	Metoprolol Succinate	324	86
Lisinopril	Lisinopril	311	88
Tamsulosin Hcl	Tamsulosin Hcl	308	80
Pantoprazole Sodium	Pantoprazole Sodium	302	82
Gabapentin	Gabapentin	293	84
Omeprazole	Omeprazole	239	68
Potassium Chloride	Potassium Chloride	239	81
Trazodone Hcl	Trazodone Hcl	236	52
Furosemide	Furosemide	217	76
Metformin Hcl	Metformin Hcl	215	64
Metformin Hcl Er	Metformin Hcl	178	56
Eliquis	Apixaban	174	39
Zolpidem Tartrate	Zolpidem Tartrate	171	28
Simvastatin	Simvastatin	169	45
Albuterol Sulfate Hfa	Albuterol Sulfate	153	70
Lorazepam	Lorazepam	136	34
Pravastatin Sodium	Pravastatin Sodium	136	40
Tramadol Hcl	Tramadol Hcl	135	34
Tizanidine Hcl	Tizanidine Hcl	134	47
Oxycodone Hcl	Oxycodone Hcl	130	28
Alendronate Sodium	Alendronate Sodium	122	42
Allopurinol	Allopurinol	118	39
Donepezil Hcl	Donepezil Hcl	117	25
Sertraline Hcl	Sertraline Hcl	116	33
Alprazolam	Alprazolam	111	27
Carvedilol	Carvedilol	110	29
Ezetimibe	Ezetimibe	108	32
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	107	30
Metoprolol Tartrate	Metoprolol Tartrate	104	29
Glimepiride	Glimepiride	102	27
Meloxicam	Meloxicam	101	31
Rosuvastatin Calcium	Rosuvastatin Calcium	100	29
Clopidogrel	Clopidogrel Bisulfate	98	30
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	96	22
Pioglitazone Hcl	Pioglitazone Hcl	95	29
Citalopram Hbr	Citalopram Hydrobromide	91	25
Hydrochlorothiazide	Hydrochlorothiazide	91	31
Mirtazapine	Mirtazapine	87	21
Xarelto	Rivaroxaban	85	21
Memantine Hcl	Memantine Hcl	83	19
Acarbose	Acarbose	82	21
Doxazosin Mesylate	Doxazosin Mesylate	81	24
Montelukast Sodium	Montelukast Sodium	79	21
Quetiapine Fumarate	Quetiapine Fumarate	79	14
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	78	19
Duloxetine Hcl	Duloxetine Hcl	74	19
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	73	17
Bupropion Xl	Bupropion Hcl	69	21
Januvia	Sitagliptin Phosphate	67	18
Buspirone Hcl	Buspirone Hcl	66	22
Prednisone	Prednisone	66	27
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	65	21
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	64	17
Telmisartan	Telmisartan	64	17
Finasteride	Finasteride	63	20
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	62	19
Calcitonin-Salmon	Calcitonin,salmon,synthetic	61	19
Fluticasone Propionate	Fluticasone Propionate	60	22
Isosorbide Mononitrate Er	Isosorbide Mononitrate	57	15
Hydralazine Hcl	Hydralazine Hcl	54	17
Diclofenac Sodium	Diclofenac Sodium	53	19
Fluoxetine Hcl	Fluoxetine Hcl	53	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	52	17
Acyclovir	Acyclovir	51	12
Spironolactone	Spironolactone	50	15
Triamcinolone Acetonide	Triamcinolone Acetonide	50	33
Acetaminophen-Codeine	Acetaminophen With Codeine	49	14
Atenolol	Atenolol	48	13
Ondansetron Odt	Ondansetron	46	29
Baclofen	Baclofen	45	13
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	43	14
Myrbetriq	Mirabegron	42	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	41	13
Celecoxib	Celecoxib	41	18
Hydroxyzine Hcl	Hydroxyzine Hcl	40	21
Paroxetine Hcl	Paroxetine Hcl	40	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	39	suppressed
Nitroglycerin	Nitroglycerin	38	30
Olmesartan Medoxomil	Olmesartan Medoxomil	38	suppressed
Propranolol Hcl	Propranolol Hcl	38	suppressed
Ropinirole Hcl	Ropinirole Hcl	38	suppressed
Cephalexin	Cephalexin	37	24
Ciprofloxacin Hcl	Ciprofloxacin Hcl	35	26
Famotidine	Famotidine	35	11
Jardiance	Empagliflozin	35	11
Diazepam	Diazepam	34	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	34	11
Linzess	Linaclotide	34	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	32	12
Torsemide	Torsemide	32	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	31	suppressed
Azithromycin	Azithromycin	29	26
Fenofibrate	Fenofibrate,micronized	29	suppressed
Lovastatin	Lovastatin	28	suppressed
Methadone Hcl	Methadone Hcl	27	suppressed
Methocarbamol	Methocarbamol	27	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	27	suppressed
Morphine Sulfate Er	Morphine Sulfate	26	suppressed
Trospium Chloride	Trospium Chloride	26	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	26	suppressed
Ibuprofen	Ibuprofen	25	suppressed
Ipratropium Bromide	Ipratropium Bromide	24	suppressed
Lactulose	Lactulose	24	suppressed
Pregabalin	Pregabalin	24	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	24	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	24	suppressed
Clonazepam	Clonazepam	23	suppressed
Digoxin	Digoxin	23	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	23	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	23	suppressed
Nebivolol Hcl	Nebivolol Hcl	23	suppressed
Glipizide Er	Glipizide	22	suppressed
Clonidine Hcl	Clonidine Hcl	21	suppressed
Levetiracetam	Levetiracetam	21	suppressed
Nystatin	Nystatin	21	13
Methylprednisolone	Methylprednisolone	20	12
Novolog Flexpen	Insulin Aspart	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Terbinafine Hcl	Terbinafine Hcl	20	12
Valsartan	Valsartan	20	suppressed
Colchicine	Colchicine	19	11
Febuxostat	Febuxostat	19	suppressed
Tresiba Flextouch U-100	Insulin Degludec	19	suppressed
Bupropion Hcl Sr	Bupropion Hcl	18	suppressed
Divalproex Sodium Er	Divalproex Sodium	18	suppressed
Gemfibrozil	Gemfibrozil	18	suppressed
Indapamide	Indapamide	18	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	18	suppressed
Mounjaro	Tirzepatide	18	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	18	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	17	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Hydrocortisone	Hydrocortisone	17	suppressed
Liothyronine Sodium	Liothyronine Sodium	17	suppressed
Methenamine Hippurate	Methenamine Hippurate	17	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	17	suppressed
Risperidone	Risperidone	17	suppressed
Benazepril Hcl	Benazepril Hcl	16	suppressed
Diclofenac Sodium Er	Diclofenac Sodium	16	suppressed
Fenofibrate	Fenofibrate	16	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	16	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	15	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	15	suppressed
Dutasteride	Dutasteride	15	suppressed
Humalog Kwikpen U-100	Insulin Lispro	15	suppressed
Lamotrigine	Lamotrigine	15	suppressed
Lidocaine	Lidocaine	15	suppressed
Lithium Carbonate	Lithium Carbonate	15	suppressed
Primidone	Primidone	15	suppressed
Valacyclovir	Valacyclovir Hcl	15	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	14	suppressed
Ketoconazole	Ketoconazole	14	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	14	suppressed
Ozempic	Semaglutide	14	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	14	suppressed
Alcohol Prep Pads	Alcohol Antiseptic Pads	13	suppressed
Clotrimazole	Clotrimazole	13	suppressed
Doxepin Hcl	Doxepin Hcl	13	suppressed
Fluconazole	Fluconazole	13	suppressed
Glipizide	Glipizide	13	suppressed
Mupirocin	Mupirocin	13	suppressed
Olanzapine	Olanzapine	13	suppressed
Ramipril	Ramipril	13	suppressed
Scopolamine	Scopolamine	13	suppressed
Temazepam	Temazepam	13	suppressed
Zaleplon	Zaleplon	13	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	12	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	12	suppressed
Irbesartan	Irbesartan	12	suppressed
Morphine Sulfate	Morphine Sulfate	12	suppressed
Propranolol Hcl Er	Propranolol Hcl	12	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	12	11
Verapamil Er	Verapamil Hcl	12	suppressed
Warfarin Sodium	Warfarin Sodium	12	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	11	suppressed
Farxiga	Dapagliflozin Propanediol	11	suppressed
Fluphenazine Hcl	Fluphenazine Hcl	11	suppressed
Incruse Ellipta	Umeclidinium Bromide	11	suppressed
Midodrine Hcl	Midodrine Hcl	11	suppressed
Novolin N Flexpen	Insulin Nph Human Isophane	11	suppressed
Rybelsus	Semaglutide	11	suppressed
Terazosin Hcl	Terazosin 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