Healthcare provider profile · identity verified

Stanley Cal, MD

Internal Medicine · CORPUS CHRISTI, TX · NPI 1003846288

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	461	160
Rosuvastatin Calcium	Rosuvastatin Calcium	365	139
Lisinopril	Lisinopril	328	120
Metformin Hcl	Metformin Hcl	227	91
Losartan Potassium	Losartan Potassium	187	69
Pioglitazone Hcl	Pioglitazone Hcl	173	64
Levothyroxine Sodium	Levothyroxine Sodium	145	59
Amlodipine Besylate	Amlodipine Besylate	144	52
Mounjaro	Tirzepatide	128	29
Albuterol Sulfate Hfa	Albuterol Sulfate	110	34
Alendronate Sodium	Alendronate Sodium	95	36
Omeprazole	Omeprazole	87	32
Metoprolol Succinate	Metoprolol Succinate	84	34
Hydrochlorothiazide	Hydrochlorothiazide	82	29
Gabapentin	Gabapentin	75	29
Tamsulosin Hcl	Tamsulosin Hcl	73	25
Pantoprazole Sodium	Pantoprazole Sodium	62	25
Clopidogrel	Clopidogrel Bisulfate	61	25
Azithromycin	Azithromycin	60	34
Ezetimibe	Ezetimibe	59	20
Furosemide	Furosemide	59	23
Nifedipine Er	Nifedipine	57	22
Ozempic	Semaglutide	54	18
Metoprolol Tartrate	Metoprolol Tartrate	52	23
Famotidine	Famotidine	49	28
Montelukast Sodium	Montelukast Sodium	47	18
Ibuprofen	Ibuprofen	46	17
Escitalopram Oxalate	Escitalopram Oxalate	45	18
Hydralazine Hcl	Hydralazine Hcl	44	13
Oxybutynin Chloride	Oxybutynin Chloride	43	20
Dropsafe Prep Pads	Alcohol Antiseptic Pads	39	14
Duloxetine Hcl	Duloxetine Hcl	39	13
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	35	13
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	33	suppressed
Tramadol Hcl	Tramadol Hcl	31	suppressed
Carvedilol	Carvedilol	30	15
Buspirone Hcl	Buspirone Hcl	29	suppressed
Tizanidine Hcl	Tizanidine Hcl	28	16
Eliquis	Apixaban	27	suppressed
Sertraline Hcl	Sertraline Hcl	27	suppressed
Atenolol	Atenolol	26	suppressed
Potassium Chloride	Potassium Chloride	26	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	26	13
Fluticasone Propionate	Fluticasone Propionate	24	12
Metformin Hcl Er	Metformin Hcl	24	suppressed
Trazodone Hcl	Trazodone Hcl	24	suppressed
Spironolactone	Spironolactone	23	suppressed
Solifenacin Succinate	Solifenacin Succinate	21	suppressed
Trulicity	Dulaglutide	21	suppressed
Jardiance	Empagliflozin	20	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	19	suppressed
Benazepril Hcl	Benazepril Hcl	18	suppressed
Finasteride	Finasteride	18	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	17	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	17	suppressed
Bupropion Xl	Bupropion Hcl	16	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	16	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	16	suppressed
Paroxetine Hcl	Paroxetine Hcl	16	suppressed
Pravastatin Sodium	Pravastatin Sodium	16	suppressed
Allopurinol	Allopurinol	15	suppressed
Citalopram Hbr	Citalopram Hydrobromide	15	suppressed
Diclofenac Sodium	Diclofenac Sodium	15	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	15	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	15	suppressed
Rybelsus	Semaglutide	15	suppressed
Tradjenta	Linagliptin	15	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	14	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	14	suppressed
Ondansetron Hcl	Ondansetron Hcl	14	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	14	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	13	suppressed
Bupropion Hcl Sr	Bupropion Hcl	13	suppressed
Donepezil Hcl	Donepezil Hcl	13	suppressed
Labetalol Hcl	Labetalol Hcl	13	suppressed
Lidocaine	Lidocaine	13	suppressed
Glipizide	Glipizide	12	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	12	suppressed
Memantine Hcl	Memantine Hcl	12	suppressed
Simvastatin	Simvastatin	12	suppressed
Topiramate	Topiramate	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Ciclopirox	Ciclopirox	11	suppressed
Flavoxate Hcl	Flavoxate Hcl	11	suppressed
Pregabalin	Pregabalin	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