Healthcare provider profile · identity verified

Stephen Nunenmacher

Internal Medicine · PASCAGOULA, MS · NPI 1487705042

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	692	17
Potassium Chloride	Potassium Chloride	673	22
Furosemide	Furosemide	572	23
Amlodipine Besylate	Amlodipine Besylate	532	16
Atorvastatin Calcium	Atorvastatin Calcium	508	15
Losartan Potassium	Losartan Potassium	504	13
Pantoprazole Sodium	Pantoprazole Sodium	496	17
Gabapentin	Gabapentin	481	suppressed
Donepezil Hcl	Donepezil Hcl	421	13
Clopidogrel	Clopidogrel Bisulfate	360	11
Eliquis	Apixaban	343	11
Omeprazole	Omeprazole	311	suppressed
Metoprolol Succinate	Metoprolol Succinate	310	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	307	suppressed
Carvedilol	Carvedilol	305	suppressed
Famotidine	Famotidine	272	suppressed
Metformin Hcl	Metformin Hcl	266	suppressed
Sucralfate	Sucralfate	264	suppressed
Divalproex Sodium	Divalproex Sodium	244	suppressed
Tamsulosin Hcl	Tamsulosin Hcl	224	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	203	suppressed
Pravastatin Sodium	Pravastatin Sodium	197	suppressed
Entresto	Sacubitril/Valsartan	192	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	190	suppressed
Trazodone Hcl	Trazodone Hcl	185	suppressed
Sertraline Hcl	Sertraline Hcl	167	suppressed
Baclofen	Baclofen	161	suppressed
Duloxetine Hcl	Duloxetine Hcl	161	suppressed
Jardiance	Empagliflozin	160	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	156	suppressed
Rivastigmine	Rivastigmine Tartrate	153	suppressed
Montelukast Sodium	Montelukast Sodium	152	suppressed
Tradjenta	Linagliptin	150	suppressed
Allopurinol	Allopurinol	149	suppressed
Memantine Hcl	Memantine Hcl	130	suppressed
Amiodarone Hcl	Amiodarone Hcl	127	suppressed
Mirtazapine	Mirtazapine	123	suppressed
Hydralazine Hcl	Hydralazine Hcl	116	suppressed
Trintellix	Vortioxetine Hydrobromide	112	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	106	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	105	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	103	suppressed
Ezetimibe	Ezetimibe	103	suppressed
Simvastatin	Simvastatin	103	suppressed
Bupropion Hcl	Bupropion Hcl	101	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	100	suppressed
Buspirone Hcl	Buspirone Hcl	99	suppressed
Bupropion Xl	Bupropion Hcl	97	suppressed
Paroxetine Hcl	Paroxetine Hcl	96	suppressed
Lovastatin	Lovastatin	91	suppressed
Citalopram Hbr	Citalopram Hydrobromide	82	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	79	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	73	suppressed
Lisinopril	Lisinopril	73	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	73	suppressed
Spironolactone	Spironolactone	69	suppressed
Memantine Hcl Er	Memantine Hcl	67	suppressed
Estradiol	Estradiol	66	suppressed
Tizanidine Hcl	Tizanidine Hcl	60	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	58	suppressed
Xarelto	Rivaroxaban	58	suppressed
Alendronate Sodium	Alendronate Sodium	53	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	53	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	53	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	53	suppressed
Enalapril Maleate	Enalapril Maleate	53	suppressed
Levetiracetam Er	Levetiracetam	53	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	53	suppressed
Metolazone	Metolazone	53	suppressed
Novolog	Insulin Aspart	53	13
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	53	suppressed
Propafenone Hcl	Propafenone Hcl	53	suppressed
Propafenone Hcl Er	Propafenone Hcl	53	suppressed
Propranolol Hcl Er	Propranolol Hcl	53	suppressed
Risperidone	Risperidone	53	suppressed
Levetiracetam	Levetiracetam	51	suppressed
Clonidine Hcl	Clonidine Hcl	50	suppressed
Calcium Acetate	Calcium Acetate	49	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	48	suppressed
Cinacalcet Hcl	Cinacalcet Hcl	47	suppressed
Midodrine Hcl	Midodrine Hcl	46	suppressed
Divalproex Sodium Er	Divalproex Sodium	45	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	45	suppressed
Imipramine Hcl	Imipramine Hcl	44	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	43	suppressed
Nebivolol Hcl	Nebivolol Hcl	43	suppressed
Glipizide Er	Glipizide	42	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	42	suppressed
Aripiprazole	Aripiprazole	40	suppressed
Meloxicam	Meloxicam	36	suppressed
Glimepiride	Glimepiride	32	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	32	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	31	suppressed
Paliperidone Er	Paliperidone	31	suppressed
Gemfibrozil	Gemfibrozil	30	suppressed
Fluticasone Propionate	Fluticasone Propionate	29	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	27	13
Myrbetriq	Mirabegron	27	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	26	suppressed
Roflumilast	Roflumilast	26	suppressed
Trulicity	Dulaglutide	26	suppressed
Fiasp	Insulin Aspart (Niacinamide)	24	suppressed
Methocarbamol	Methocarbamol	24	suppressed
Januvia	Sitagliptin Phosphate	23	suppressed
Methenamine Hippurate	Methenamine Hippurate	22	suppressed
Latanoprost	Latanoprost	21	suppressed
Ondansetron Odt	Ondansetron	20	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	19	suppressed
Meclizine Hcl	Meclizine Hcl	19	suppressed
Ipratropium Bromide	Ipratropium Bromide	18	suppressed
Lidocaine Hcl	Lidocaine Hcl/Pf	18	11
Digoxin	Digoxin	17	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	16	suppressed
Brilinta	Ticagrelor	15	suppressed
Ondansetron Hcl	Ondansetron Hcl	15	suppressed
Trimethoprim	Trimethoprim	15	suppressed
Methimazole	Methimazole	14	suppressed
Tresiba Flextouch U-100	Insulin Degludec	14	suppressed
Cholestyramine	Cholestyramine (With Sugar)	13	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	13	12
Tresiba Flextouch U-200	Insulin Degludec	13	suppressed
Ventolin Hfa	Albuterol Sulfate	13	suppressed
Anastrozole	Anastrozole	12	suppressed
Insulin Aspart	Insulin Aspart	12	suppressed
Rivastigmine	Rivastigmine	12	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	11	suppressed
Enulose	Lactulose	11	suppressed
Spiriva Handihaler	Tiotropium Bromide	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