Healthcare provider profile · identity verified

Guillermo I Rocha, MD

Internal Medicine · SAN ANTONIO, TX · NPI 1548269335

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	526	207
Lisinopril	Lisinopril	250	107
Metformin Hcl	Metformin Hcl	230	91
Levothyroxine Sodium	Levothyroxine Sodium	212	75
Gabapentin	Gabapentin	208	98
Amlodipine Besylate	Amlodipine Besylate	193	76
Losartan Potassium	Losartan Potassium	184	77
Glipizide	Glipizide	167	68
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	137	57
Metoprolol Tartrate	Metoprolol Tartrate	135	52
Tamsulosin Hcl	Tamsulosin Hcl	115	46
Jardiance	Empagliflozin	92	32
Albuterol Sulfate Hfa	Albuterol Sulfate	86	37
Omeprazole	Omeprazole	84	34
Sertraline Hcl	Sertraline Hcl	84	38
Rosuvastatin Calcium	Rosuvastatin Calcium	83	32
Hydrochlorothiazide	Hydrochlorothiazide	77	40
Meloxicam	Meloxicam	76	43
Carvedilol	Carvedilol	64	32
Donepezil Hcl	Donepezil Hcl	64	30
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	62	35
Ibuprofen	Ibuprofen	62	35
Montelukast Sodium	Montelukast Sodium	54	22
Hydroxyzine Hcl	Hydroxyzine Hcl	51	23
Pravastatin Sodium	Pravastatin Sodium	49	19
Simvastatin	Simvastatin	44	22
Metoprolol Succinate	Metoprolol Succinate	41	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	37	18
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	37	suppressed
Azithromycin	Azithromycin	35	34
Clopidogrel	Clopidogrel Bisulfate	34	13
Pioglitazone Hcl	Pioglitazone Hcl	34	18
Famotidine	Famotidine	33	16
Furosemide	Furosemide	32	15
Cefuroxime	Cefuroxime Axetil	28	25
Finasteride	Finasteride	28	11
Fluticasone Propionate	Fluticasone Propionate	28	suppressed
Eliquis	Apixaban	26	suppressed
Pantoprazole Sodium	Pantoprazole Sodium	26	12
Cephalexin	Cephalexin	24	20
Telmisartan	Telmisartan	24	11
Humalog Mix 75-25 Kwikpen	Insulin Lispro Protamin/Lispro	23	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	23	12
Folic Acid	Folic Acid	22	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	21	14
Lantus	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Januvia	Sitagliptin Phosphate	20	suppressed
Allopurinol	Allopurinol	18	suppressed
Mometasone Furoate	Mometasone Furoate	18	11
Oxybutynin Chloride Er	Oxybutynin Chloride	18	suppressed
Metformin Hcl Er	Metformin Hcl	17	suppressed
Enalapril Maleate	Enalapril Maleate	16	suppressed
Hydralazine Hcl	Hydralazine Hcl	16	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	15	14
Trulicity	Dulaglutide	15	suppressed
Alendronate Sodium	Alendronate Sodium	14	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	14	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	14	suppressed
Farxiga	Dapagliflozin Propanediol	14	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	14	suppressed
Symbicort	Budesonide/Formoterol Fumarate	14	suppressed
Nifedipine Er	Nifedipine	13	suppressed
Synthroid	Levothyroxine Sodium	13	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	13	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	12	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	12	12
Lovastatin	Lovastatin	12	suppressed
Methocarbamol	Methocarbamol	12	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	12	12
Rybelsus	Semaglutide	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Ventolin Hfa	Albuterol Sulfate	12	suppressed
Chlorthalidone	Chlorthalidone	11	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	11	suppressed
Ondansetron Hcl	Ondansetron Hcl	11	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	11	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	11	suppressed
Warfarin Sodium	Warfarin 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