Healthcare provider profile · identity verified

Guillermo Antonio Reyes, M.D.

Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease · SAN ANTONIO, TX · NPI 1164544656

Profile state: payments and partd 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

CMS Open Payments records show Guillermo Antonio Reyes, M.D. received $957.62 in general payments during 2025 across 45 reported records.

SCPHARMACEUTICALS INC. accounted for 29.0% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 18 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Eliquis.

AstraZeneca Pharmaceuticals LP reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported BRILINTA as an associated drug or biological on 993 records involving 512 distinct recipient NPIs. Public Medicare Part D data also shows 32 claims for Brilinta by this doctor in 2024.

E.R. Squibb & Sons, L.L.C. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported ELIQUIS as an associated drug or biological on 27956 records involving 14870 distinct recipient NPIs. Public Medicare Part D data also shows 109 claims for Eliquis by this doctor in 2024.

PFIZER INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported ELIQUIS as an associated drug or biological on 87112 records involving 36032 distinct recipient NPIs. Public Medicare Part D data also shows 109 claims for Eliquis by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$957.62

45 reported records · 14 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
SCPHARMACEUTICALS INC. Unresolved — no canonical attribution shown $277.6429.0%202025
BIOTRONIK INC. Unresolved — no canonical attribution shown $156.8216.4%52025
Boehringer Ingelheim Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $99.7010.4%42025
CARDIVA MEDICAL, INC. Unresolved — no canonical attribution shown $85.608.9%32025
Cook Medical LLC Unresolved — no canonical attribution shown $58.206.1%12025
E.R. Squibb & Sons, L.L.C. Unresolved — no canonical attribution shown $53.215.6%12025
Esperion Therapeutics, Inc. Unresolved — no canonical attribution shown $53.085.5%32025
PFIZER INC. Unresolved — no canonical attribution shown $35.753.7%22025
Alnylam Pharmaceuticals Inc. Unresolved — no canonical attribution shown $32.573.4%12025
Novo Nordisk Inc Unresolved — no canonical attribution shown $27.762.9%12025
AstraZeneca Pharmaceuticals LP Unresolved — no canonical attribution shown $25.542.7%12025
Ascensia Diabetes Care Us Inc. Unresolved — no canonical attribution shown $19.812.1%12025
Fisher & Paykel Healthcare Inc Unresolved — no canonical attribution shown $17.851.9%12025
Veryan Medical Incorporated Unresolved — no canonical attribution shown $14.091.5%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$957.6245

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
FUROSCIX
Normalized: furoscix
Drug SCPHARMACEUTICALS INC. $277.64 20 2025
Source payment records
BIOMONITOR
Normalized: biomonitor
Device BIOTRONIK INC. $142.66 4 2025
Source payment records
JARDIANCE
Normalized: jardiance
Drug Boehringer Ingelheim Pharmaceuticals, Inc. $99.70 4 2025
Source payment records
ELIQUIS
Normalized: eliquis
Drug E.R. Squibb & Sons, L.L.C., PFIZER INC. $88.96 3 2025
Source payment records
CARDIVA VASCADE 6/7F VCS
Normalized: cardiva vascade 6 7f vcs
Device CARDIVA MEDICAL, INC. $70.15 2 2025
Source payment records
Acticor 7 VR-T DX
Normalized: acticor 7 vr t dx
Device BIOTRONIK INC. $63.50 2 2025
Source payment records
PERFORMER
Normalized: performer
Device Cook Medical LLC $58.20 1 2025
Source payment records
NEXLETOL
Normalized: nexletol
Drug Esperion Therapeutics, Inc. $53.08 3 2025
Source payment records
Renamic Neo
Normalized: renamic neo
Device BIOTRONIK INC. $49.44 2 2025
Source payment records
AMVIA EDGE
Normalized: amvia edge
Device BIOTRONIK INC. $49.34 1 2025
Source payment records
Rivacor 7 DR-T
Normalized: rivacor 7 dr t
Device BIOTRONIK INC. $49.34 1 2025
Source payment records
ONPATTRO
Normalized: onpattro
Drug Alnylam Pharmaceuticals Inc. $32.57 1 2025
Source payment records
Wegovy
Normalized: wegovy
Drug Novo Nordisk Inc $27.76 1 2025
Source payment records
FARXIGA
Normalized: farxiga
Drug AstraZeneca Pharmaceuticals LP $25.54 1 2025
Source payment records
FISHER & PAYKEL HEALTHCARE
Normalized: fisher paykel healthcare
Device Fisher & Paykel Healthcare Inc $17.85 1 2025
Source payment records
OPTOWIRE
Normalized: optowire
Device CARDIVA MEDICAL, INC. $15.45 1 2025
Source payment records
PAMIRA
Normalized: pamira
Device BIOTRONIK INC. $14.16 1 2025
Source payment records
BioMimics 3D Vascular Stent System
Normalized: biomimics 3d vascular stent system
Device Veryan Medical Incorporated $14.09 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
ELIQUIS
eliquis
2025 Eliquis 2024 109 exact normalized Medicare Part D

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.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
AstraZeneca Pharmaceuticals LP
Exact reporting entity; no affiliate inference
2025 BRILINTA
open payments reported associated product
CMS Open Payments — General Payments
993 supporting records · 512 recipient NPIs · example record 1206131430
Brilinta · 2024
Exact normalized brand match · 1 Part D row
32 suppressed by CMS
E.R. Squibb & Sons, L.L.C.
Exact reporting entity; no affiliate inference
2025 ELIQUIS
open payments reported associated product
CMS Open Payments — General Payments
27956 supporting records · 14870 recipient NPIs · example record 1184377713
Eliquis · 2024
Exact normalized brand match · 1 Part D row
109 31
PFIZER INC.
Exact reporting entity; no affiliate inference
2025 ELIQUIS
open payments reported associated product
CMS Open Payments — General Payments
87112 supporting records · 36032 recipient NPIs · example record 1228794063
Eliquis · 2024
Exact normalized brand match · 1 Part D row
109 31

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

BrandGenericClaimsBeneficiaries
ClopidogrelClopidogrel Bisulfate349112
Atorvastatin CalciumAtorvastatin Calcium25984
LisinoprilLisinopril18453
Nifedipine ErNifedipine17351
Metoprolol SuccinateMetoprolol Succinate16055
Amlodipine BesylateAmlodipine Besylate15653
XareltoRivaroxaban14341
Losartan PotassiumLosartan Potassium13644
SotalolSotalol Hcl12639
EliquisApixaban10931
Rosuvastatin CalciumRosuvastatin Calcium8929
FurosemideFurosemide7427
CarvedilolCarvedilol7126
HydrochlorothiazideHydrochlorothiazide6620
Clonidine HclClonidine Hcl5115
Metoprolol TartrateMetoprolol Tartrate4516
Hydralazine HclHydralazine Hcl4414
Diltiazem 24hr Er (Cd)Diltiazem Hcl4313
Warfarin SodiumWarfarin Sodium37suppressed
Amiodarone HclAmiodarone Hcl34suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate3411
AtenololAtenolol3211
BrilintaTicagrelor32suppressed
Repatha SureclickEvolocumab28suppressed
NitroglycerinNitroglycerin2716
Olmesartan MedoxomilOlmesartan Medoxomil27suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2625
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide25suppressed
Labetalol HclLabetalol Hcl23suppressed
SimvastatinSimvastatin23suppressed
EntrestoSacubitril/Valsartan22suppressed
JantovenWarfarin Sodium22suppressed
Potassium ChloridePotassium Chloride18suppressed
SpironolactoneSpironolactone18suppressed
ClonidineClonidine17suppressed
DigoxinDigoxin17suppressed
Nebivolol HclNebivolol Hcl17suppressed
Enoxaparin SodiumEnoxaparin Sodium15suppressed
Enalapril MaleateEnalapril Maleate14suppressed
EzetimibeEzetimibe14suppressed
AllopurinolAllopurinol13suppressed
MultaqDronedarone Hcl13suppressed
Nitroglycerin PatchNitroglycerin13suppressed
Bisoprolol FumarateBisoprolol Fumarate12suppressed
IrbesartanIrbesartan12suppressed
Prasugrel HclPrasugrel Hcl12suppressed
ValsartanValsartan12suppressed
Diltiazem 24hr ErDiltiazem Hcl11suppressed
Diltiazem HclDiltiazem Hcl11suppressed
GabapentinGabapentin11suppressed

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.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025 $957.62 · 45 records SCPHARMACEUTICALS INC. AMVIA EDGE, Acticor 7 VR-T DX, BIOMONITOR, BioMimics 3D Vascular Stent System, CARDIVA VASCADE 6/7F VCS, ELIQUIS, FARXIGA, FISHER & PAYKEL HEALTHCARE, FUROSCIX, JARDIANCE, NEXLETOL, ONPATTRO, OPTOWIRE, PAMIRA, PERFORMER, Renamic Neo, Rivacor 7 DR-T, Wegovy 3
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
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