Healthcare provider profile · identity verified

Nathan Funk, PA

Physician Assistant · GASTONIA, NC · NPI 1679589865

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	577	169
Rosuvastatin Calcium	Rosuvastatin Calcium	542	177
Omeprazole	Omeprazole	373	115
Amlodipine Besylate	Amlodipine Besylate	359	110
Metformin Hcl	Metformin Hcl	348	95
Levothyroxine Sodium	Levothyroxine Sodium	288	85
Lisinopril	Lisinopril	269	81
Gabapentin	Gabapentin	259	87
Losartan Potassium	Losartan Potassium	229	75
Meloxicam	Meloxicam	226	62
Albuterol Sulfate Hfa	Albuterol Sulfate	188	40
Pantoprazole Sodium	Pantoprazole Sodium	187	62
Hydrochlorothiazide	Hydrochlorothiazide	154	47
Simvastatin	Simvastatin	152	44
Celecoxib	Celecoxib	149	42
Trazodone Hcl	Trazodone Hcl	148	50
Mounjaro	Tirzepatide	143	26
Fluticasone Propionate	Fluticasone Propionate	140	51
Tamsulosin Hcl	Tamsulosin Hcl	136	39
Metoprolol Tartrate	Metoprolol Tartrate	132	39
Sertraline Hcl	Sertraline Hcl	132	36
Allopurinol	Allopurinol	129	32
Prednisone	Prednisone	126	96
Metoprolol Succinate	Metoprolol Succinate	125	36
Furosemide	Furosemide	122	45
Pravastatin Sodium	Pravastatin Sodium	111	36
Jardiance	Empagliflozin	109	26
Tramadol Hcl	Tramadol Hcl	108	25
Tizanidine Hcl	Tizanidine Hcl	104	28
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	102	26
Duloxetine Hcl	Duloxetine Hcl	100	26
Lorazepam	Lorazepam	99	23
Olmesartan Medoxomil	Olmesartan Medoxomil	92	29
Famotidine	Famotidine	91	24
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	91	27
Potassium Chloride	Potassium Chloride	90	26
Metformin Hcl Er	Metformin Hcl	88	28
Eliquis	Apixaban	86	20
Fluoxetine Hcl	Fluoxetine Hcl	80	23
Clopidogrel	Clopidogrel Bisulfate	79	24
Montelukast Sodium	Montelukast Sodium	78	27
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	77	19
Ozempic	Semaglutide	77	23
Pregabalin	Pregabalin	73	17
Pioglitazone Hcl	Pioglitazone Hcl	71	19
Temazepam	Temazepam	69	suppressed
Alprazolam	Alprazolam	66	16
Baclofen	Baclofen	65	21
Carvedilol	Carvedilol	65	18
Valsartan	Valsartan	64	19
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	63	18
Oxybutynin Chloride Er	Oxybutynin Chloride	62	20
Clonazepam	Clonazepam	60	14
Benazepril Hcl	Benazepril Hcl	59	18
Promethazine Hcl	Promethazine Hcl	55	12
Triamcinolone Acetonide	Triamcinolone Acetonide	55	21
Citalopram Hbr	Citalopram Hydrobromide	54	16
Trulicity	Dulaglutide	50	suppressed
Buspirone Hcl	Buspirone Hcl	48	14
Doxycycline Hyclate	Doxycycline Hyclate	48	34
Escitalopram Oxalate	Escitalopram Oxalate	48	11
Farxiga	Dapagliflozin Propanediol	48	14
Ibandronate Sodium	Ibandronate Sodium	46	16
Symbicort	Budesonide/Formoterol Fumarate	46	11
Atenolol	Atenolol	44	13
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	43	suppressed
Glipizide	Glipizide	42	13
Novolog Flexpen	Insulin Aspart	42	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	41	suppressed
Glipizide Er	Glipizide	40	13
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	40	12
Breo Ellipta	Fluticasone/Vilanterol	39	11
Hydralazine Hcl	Hydralazine Hcl	37	11
Linzess	Linaclotide	36	11
Ropinirole Hcl	Ropinirole Hcl	35	13
Januvia	Sitagliptin Phosphate	34	suppressed
Chlorthalidone	Chlorthalidone	33	13
Dicyclomine Hcl	Dicyclomine Hcl	33	suppressed
Valacyclovir	Valacyclovir Hcl	33	14
Venlafaxine Hcl Er	Venlafaxine Hcl	33	suppressed
Rabeprazole Sodium	Rabeprazole Sodium	32	suppressed
Diclofenac Sodium	Diclofenac Sodium	31	12
Alendronate Sodium	Alendronate Sodium	30	suppressed
Amlodipine-Olmesartan	Amlodipine Bes/Olmesartan Med	30	12
Ezetimibe	Ezetimibe	30	13
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	29	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	29	25
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	28	suppressed
Nifedipine Er	Nifedipine	28	suppressed
Ondansetron Odt	Ondansetron	28	14
Spironolactone	Spironolactone	28	suppressed
Diazepam	Diazepam	27	suppressed
Ipratropium Bromide	Ipratropium Bromide	27	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	27	suppressed
Bupropion Xl	Bupropion Hcl	25	suppressed
Clonidine Hcl	Clonidine Hcl	25	suppressed
Diltiazem Hcl	Diltiazem Hcl	25	suppressed
Mirtazapine	Mirtazapine	24	11
Ondansetron Hcl	Ondansetron Hcl	24	suppressed
Repatha Sureclick	Evolocumab	24	suppressed
Warfarin Sodium	Warfarin Sodium	24	suppressed
Xarelto	Rivaroxaban	24	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	23	suppressed
Humalog Kwikpen U-100	Insulin Lispro	23	suppressed
Topiramate	Topiramate	22	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	22	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	21	suppressed
Ketoconazole	Ketoconazole	20	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	20	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	19	suppressed
Fluconazole	Fluconazole	19	15
Meclizine Hcl	Meclizine Hcl	19	12
Ramipril	Ramipril	19	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	18	suppressed
Klor-Con M20	Potassium Chloride	18	suppressed
Nystatin	Nystatin	18	suppressed
Ibuprofen	Ibuprofen	17	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	17	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	16	12
Clotrimazole	Clotrimazole	16	suppressed
Indomethacin	Indomethacin	16	suppressed
Lovastatin	Lovastatin	16	suppressed
Propranolol Hcl	Propranolol Hcl	16	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	15	suppressed
Fenofibrate	Fenofibrate	15	suppressed
Glipizide-Metformin	Glipizide/Metformin Hcl	15	suppressed
Lactulose	Lactulose	14	suppressed
Tresiba Flextouch U-200	Insulin Degludec	14	suppressed
Dexlansoprazole Dr	Dexlansoprazole	13	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	13	suppressed
Mometasone Furoate	Mometasone Furoate	13	11
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	13	11
Belsomra	Suvorexant	12	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	12	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	12	suppressed
Finasteride	Finasteride	12	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	12	suppressed
Ventolin Hfa	Albuterol Sulfate	12	suppressed
Verapamil Er	Verapamil Hcl	12	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	11	suppressed
Glimepiride	Glimepiride	11	suppressed
Loperamide	Loperamide Hcl	11	suppressed
Paroxetine Hcl	Paroxetine Hcl	11	suppressed
Terbinafine Hcl	Terbinafine Hcl	11	suppressed
Tradjenta	Linagliptin	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