Healthcare provider profile · identity verified

Christopher Peter Guarisco, M.D.

Internal Medicine · BATON ROUGE, LA · NPI 1255356002

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
Amlodipine Besylate	Amlodipine Besylate	908	246
Atorvastatin Calcium	Atorvastatin Calcium	619	181
Pantoprazole Sodium	Pantoprazole Sodium	386	110
Levothyroxine Sodium	Levothyroxine Sodium	342	80
Losartan Potassium	Losartan Potassium	323	96
Metoprolol Succinate	Metoprolol Succinate	286	78
Gabapentin	Gabapentin	285	84
Metformin Hcl	Metformin Hcl	240	73
Hydrochlorothiazide	Hydrochlorothiazide	238	68
Potassium Chloride	Potassium Chloride	236	59
Pravastatin Sodium	Pravastatin Sodium	219	66
Simvastatin	Simvastatin	170	44
Omeprazole	Omeprazole	159	45
Allopurinol	Allopurinol	137	36
Rosuvastatin Calcium	Rosuvastatin Calcium	132	39
Alprazolam	Alprazolam	130	25
Lisinopril	Lisinopril	128	39
Eliquis	Apixaban	123	20
Tamsulosin Hcl	Tamsulosin Hcl	123	36
Tramadol Hcl	Tramadol Hcl	105	19
Glimepiride	Glimepiride	103	29
Clopidogrel	Clopidogrel Bisulfate	96	23
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	96	28
Fluticasone Propionate	Fluticasone Propionate	95	41
Montelukast Sodium	Montelukast Sodium	92	25
Metformin Hcl Er	Metformin Hcl	91	32
Trazodone Hcl	Trazodone Hcl	91	24
Hydralazine Hcl	Hydralazine Hcl	89	23
Azithromycin	Azithromycin	87	65
Sertraline Hcl	Sertraline Hcl	85	24
Albuterol Sulfate Hfa	Albuterol Sulfate	78	27
Buspirone Hcl	Buspirone Hcl	71	18
Olmesartan Medoxomil	Olmesartan Medoxomil	70	20
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	67	18
Baclofen	Baclofen	66	31
Mirtazapine	Mirtazapine	66	20
Meloxicam	Meloxicam	62	30
Benazepril Hcl	Benazepril Hcl	60	13
Furosemide	Furosemide	60	21
Mounjaro	Tirzepatide	60	14
Metoprolol Tartrate	Metoprolol Tartrate	56	18
Lorazepam	Lorazepam	55	17
Ozempic	Semaglutide	53	12
Zolpidem Tartrate	Zolpidem Tartrate	53	13
Ezetimibe	Ezetimibe	52	17
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	50	16
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	47	11
Escitalopram Oxalate	Escitalopram Oxalate	46	13
Carvedilol	Carvedilol	44	11
Valsartan	Valsartan	44	11
Doxazosin Mesylate	Doxazosin Mesylate	43	12
Clonazepam	Clonazepam	42	suppressed
Januvia	Sitagliptin Phosphate	41	13
Finasteride	Finasteride	40	11
Fluoxetine Hcl	Fluoxetine Hcl	38	suppressed
Jardiance	Empagliflozin	38	suppressed
Irbesartan	Irbesartan	37	suppressed
Verapamil Er	Verapamil Hcl	37	11
Citalopram Hbr	Citalopram Hydrobromide	36	suppressed
Dropsafe Prep Pads	Alcohol Antiseptic Pads	34	suppressed
Pregabalin	Pregabalin	32	11
Amitriptyline Hcl	Amitriptyline Hcl	31	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	29	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	29	13
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	29	suppressed
Prednisone	Prednisone	29	20
Famotidine	Famotidine	27	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	27	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	26	suppressed
Megestrol Acetate	Megestrol Acetate	25	suppressed
Atenolol	Atenolol	24	suppressed
Clonidine Hcl	Clonidine Hcl	24	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	24	17
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	24	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	24	suppressed
Spironolactone	Spironolactone	24	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	23	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	22	suppressed
Trulicity	Dulaglutide	22	suppressed
Chlorthalidone	Chlorthalidone	21	suppressed
Ondansetron Odt	Ondansetron	21	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	20	18
Diclofenac Sodium	Diclofenac Sodium	20	suppressed
Tizanidine Hcl	Tizanidine Hcl	20	suppressed
Donepezil Hcl	Donepezil Hcl	19	suppressed
Fenofibrate	Fenofibrate	19	suppressed
Ibuprofen	Ibuprofen	19	suppressed
Mupirocin	Mupirocin	19	15
Triamcinolone Acetonide	Triamcinolone Acetonide	19	suppressed
Doxepin Hcl	Doxepin Hcl	18	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	18	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	18	suppressed
Naproxen	Naproxen	17	suppressed
Nifedipine Er	Nifedipine	17	suppressed
Colchicine	Colchicine	16	suppressed
Duloxetine Hcl	Duloxetine Hcl	16	suppressed
Labetalol Hcl	Labetalol Hcl	16	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	16	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	16	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	15	suppressed
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Felodipine Er	Felodipine	14	suppressed
Ibandronate Sodium	Ibandronate Sodium	14	suppressed
Levetiracetam	Levetiracetam	14	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	14	13
Promethazine Hcl	Promethazine Hcl	14	suppressed
Terazosin Hcl	Terazosin Hcl	14	suppressed
Valacyclovir	Valacyclovir Hcl	14	suppressed
Breo Ellipta	Fluticasone/Vilanterol	13	suppressed
Constulose	Lactulose	13	suppressed
Entresto	Sacubitril/Valsartan	13	suppressed
Indapamide	Indapamide	13	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	13	suppressed
Letrozole	Letrozole	13	suppressed
Lovastatin	Lovastatin	13	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	12	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	12	suppressed
Diazepam	Diazepam	12	suppressed
Emtricitabine-Tenofovir Disop	Emtricitabine/Tenofovir (Tdf)	12	suppressed
Sildenafil Citrate	Sildenafil Citrate	12	suppressed
Temazepam	Temazepam	12	suppressed
Alendronate Sodium	Alendronate Sodium	11	suppressed
Amiodarone Hcl	Amiodarone Hcl	11	suppressed
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	11	suppressed
Azelastine Hcl	Azelastine Hcl	11	suppressed
Glipizide Er	Glipizide	11	suppressed
Klor-Con M20	Potassium Chloride	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Silodosin	Silodosin	11	suppressed
Synthroid	Levothyroxine Sodium	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