Healthcare provider profile · identity verified

James Michael Neff, M.D.

Internal Medicine · CORPUS CHRISTI, TX · NPI 1013992015

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	954	278
Rosuvastatin Calcium	Rosuvastatin Calcium	560	177
Levothyroxine Sodium	Levothyroxine Sodium	525	143
Losartan Potassium	Losartan Potassium	450	129
Amlodipine Besylate	Amlodipine Besylate	420	123
Metoprolol Succinate	Metoprolol Succinate	398	126
Alprazolam	Alprazolam	375	84
Zolpidem Tartrate	Zolpidem Tartrate	365	69
Prednisone	Prednisone	306	180
Lisinopril	Lisinopril	238	72
Furosemide	Furosemide	236	72
Tamsulosin Hcl	Tamsulosin Hcl	235	71
Escitalopram Oxalate	Escitalopram Oxalate	225	61
Metformin Hcl	Metformin Hcl	219	74
Simvastatin	Simvastatin	208	58
Hydrochlorothiazide	Hydrochlorothiazide	201	55
Tramadol Hcl	Tramadol Hcl	192	56
Azithromycin	Azithromycin	189	151
Ozempic	Semaglutide	186	29
Ezetimibe	Ezetimibe	184	56
Alendronate Sodium	Alendronate Sodium	174	50
Gabapentin	Gabapentin	170	49
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	146	29
Omeprazole	Omeprazole	145	45
Metoprolol Tartrate	Metoprolol Tartrate	122	35
Potassium Chloride	Potassium Chloride	122	44
Eliquis	Apixaban	116	32
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	106	85
Clopidogrel	Clopidogrel Bisulfate	106	32
Estradiol	Estradiol	104	38
Pantoprazole Sodium	Pantoprazole Sodium	104	29
Jardiance	Empagliflozin	102	21
Ciprofloxacin Hcl	Ciprofloxacin Hcl	101	76
Meloxicam	Meloxicam	98	28
Temazepam	Temazepam	98	15
Trazodone Hcl	Trazodone Hcl	98	32
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	93	26
Lorazepam	Lorazepam	90	22
Duloxetine Hcl	Duloxetine Hcl	89	16
Albuterol Sulfate Hfa	Albuterol Sulfate	87	42
Esomeprazole Magnesium	Esomeprazole Magnesium	86	28
Sertraline Hcl	Sertraline Hcl	86	19
Celecoxib	Celecoxib	82	29
Xarelto	Rivaroxaban	79	17
Atenolol	Atenolol	76	20
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	72	22
Methylprednisolone	Methylprednisolone	68	56
Valsartan	Valsartan	66	20
Farxiga	Dapagliflozin Propanediol	65	15
Memantine Hcl	Memantine Hcl	61	17
Allopurinol	Allopurinol	59	16
Synthroid	Levothyroxine Sodium	59	19
Montelukast Sodium	Montelukast Sodium	58	20
Nebivolol Hcl	Nebivolol Hcl	54	17
Ramipril	Ramipril	54	14
Doxycycline Hyclate	Doxycycline Hyclate	52	42
Ondansetron Hcl	Ondansetron Hcl	49	31
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	47	14
Trulicity	Dulaglutide	46	suppressed
Ibandronate Sodium	Ibandronate Sodium	45	16
Glipizide	Glipizide	44	12
Diazepam	Diazepam	43	14
Enalapril Maleate	Enalapril Maleate	43	12
Cephalexin	Cephalexin	42	35
Finasteride	Finasteride	41	13
Methocarbamol	Methocarbamol	41	24
Carvedilol	Carvedilol	40	12
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	40	suppressed
Diclofenac Sodium	Diclofenac Sodium	38	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	35	13
Pregabalin	Pregabalin	35	suppressed
Clonidine Hcl	Clonidine Hcl	34	12
Buspirone Hcl	Buspirone Hcl	33	suppressed
Spironolactone	Spironolactone	33	13
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	32	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	31	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	31	14
Eszopiclone	Eszopiclone	31	suppressed
Multaq	Dronedarone Hcl	31	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	31	31
Repatha Sureclick	Evolocumab	31	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	30	suppressed
Famotidine	Famotidine	30	suppressed
Mometasone Furoate	Mometasone Furoate	30	15
Diltiazem 24hr Er	Diltiazem Hcl	29	suppressed
Metformin Hcl Er	Metformin Hcl	28	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	28	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	27	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	26	17
Donepezil Hcl	Donepezil Hcl	26	suppressed
Levetiracetam	Levetiracetam	26	suppressed
Ventolin Hfa	Albuterol Sulfate	26	suppressed
Fluconazole	Fluconazole	25	16
Fluticasone Propionate	Fluticasone Propionate	25	suppressed
Valacyclovir	Valacyclovir Hcl	25	16
Warfarin Sodium	Warfarin Sodium	25	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	24	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	24	19
Acetaminophen-Codeine	Acetaminophen With Codeine	23	suppressed
Pravastatin Sodium	Pravastatin Sodium	23	suppressed
Verapamil Er	Verapamil Hcl	23	suppressed
Levofloxacin	Levofloxacin	22	18
Myrbetriq	Mirabegron	22	suppressed
Azelastine Hcl	Azelastine Hcl	21	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	21	suppressed
Ondansetron Odt	Ondansetron	21	13
Propranolol Hcl	Propranolol Hcl	21	suppressed
Ranolazine Er	Ranolazine	21	suppressed
Mirtazapine	Mirtazapine	20	suppressed
Dexlansoprazole Dr	Dexlansoprazole	19	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	19	suppressed
Lovastatin	Lovastatin	19	suppressed
Prolia	Denosumab	18	suppressed
Symbicort	Budesonide/Formoterol Fumarate	18	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	18	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	17	14
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	17	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	17	suppressed
Paroxetine Hcl	Paroxetine Hcl	17	suppressed
Telmisartan	Telmisartan	17	suppressed
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	16	suppressed
Cefuroxime	Cefuroxime Axetil	16	14
Glimepiride	Glimepiride	16	suppressed
Testosterone Cypionate	Testosterone Cypionate	16	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	16	12
Acyclovir	Acyclovir	15	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	15	suppressed
Bupropion Hcl Sr	Bupropion Hcl	15	suppressed
Clonazepam	Clonazepam	15	suppressed
Fenofibrate	Fenofibrate	15	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	15	suppressed
Irbesartan	Irbesartan	15	suppressed
Ketoconazole	Ketoconazole	15	suppressed
Mounjaro	Tirzepatide	15	suppressed
Citalopram Hbr	Citalopram Hydrobromide	14	suppressed
Clobetasol Propionate	Clobetasol Propionate	14	suppressed
Hydralazine Hcl	Hydralazine Hcl	14	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	14	suppressed
Silver Sulfadiazine	Silver Sulfadiazine	14	suppressed
Baclofen	Baclofen	13	suppressed
Glipizide Er	Glipizide	13	suppressed
Invokana	Canagliflozin	13	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	13	suppressed
Januvia	Sitagliptin Phosphate	13	suppressed
Ursodiol	Ursodiol	13	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	13	suppressed
Acetazolamide	Acetazolamide	12	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	12	suppressed
Carisoprodol	Carisoprodol	12	suppressed
Mupirocin	Mupirocin	12	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	12	11
Primidone	Primidone	12	suppressed
Raloxifene Hcl	Raloxifene Hcl	12	suppressed
Torsemide	Torsemide	12	suppressed
Bupropion Xl	Bupropion Hcl	11	suppressed
Dabigatran Etexilate	Dabigatran Etexilate Mesylate	11	suppressed
Digoxin	Digoxin	11	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	11	suppressed
Gemfibrozil	Gemfibrozil	11	suppressed
Hydrocortisone	Hydrocortisone	11	suppressed
Ibuprofen	Ibuprofen	11	suppressed
Lactulose	Lactulose	11	suppressed
Metronidazole	Metronidazole	11	11

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