Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

ISAAC GUERRERO

Allopathic & Osteopathic Physicians Family Medicine

NPI
1427443043
CMS profile
2793685
Location
CORPUS CHRISTI, TX

General Payments · PY2018–2021

$1,443.08

  • Reported across 86 records
  • CMS publication 2026-01-23

Latest program year · PY2021

$258.51

16 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2021 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $258.51 16

By paying entity

PY2021 · sorted by reported total

Paying entityAmountRecords
Merck Sharp & Dohme Corporation $53.09 4
Lilly USA, LLC $45.85 3
PFIZER INC. $44.95 3
EISAI INC. $39.77 2
Novo Nordisk AS $34.55 2
Takeda Pharmaceuticals U.S.A., Inc. $24.99 1
Esperion Therapeutics, Inc. $15.31 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $387.76 20
PY2019 $312.40 20
PY2020 $484.41 30
PY2021 $258.51 16

Payment records · PY2021 (16)

Sorted by paying entity, then date · as published by CMS

Program year 2021 201820192020 Record-level detail is published for PY2021; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Eisai Inc. $21.97 01/06/2021 Food and Beverage Undisputed 01/23/2026 817806827 CMS
Eisai Inc. $17.80 03/04/2021 Food and Beverage Undisputed 01/23/2026 817853367 CMS
Esperion Therapeutics, Inc. $15.31 02/17/2021 Food and Beverage Undisputed 01/23/2026 838303855 CMS
Lilly USA, LLC $14.07 01/08/2021 Food and Beverage Undisputed 01/23/2026 818552829 CMS
Lilly USA, LLC $18.74 03/10/2021 Food and Beverage Undisputed 01/23/2026 819133071 CMS
Lilly USA, LLC $13.04 03/17/2021 Food and Beverage Undisputed 01/23/2026 818567961 CMS
Merck Sharp & Dohme Corporation $15.62 02/03/2021 Food and Beverage Undisputed 01/23/2026 848318345 CMS
Merck Sharp & Dohme Corporation $11.72 02/24/2021 Food and Beverage Undisputed 01/23/2026 848650913 CMS
Merck Sharp & Dohme Corporation $12.76 03/31/2021 Food and Beverage Undisputed 01/23/2026 848378907 CMS
Merck Sharp & Dohme Corporation $12.99 04/14/2021 Food and Beverage Undisputed 01/23/2026 848548767 CMS
Novo Nordisk Inc $21.12 01/27/2021 Food and Beverage Undisputed 01/23/2026 810729433 CMS
Novo Nordisk Inc $13.43 04/07/2021 Food and Beverage Undisputed 01/23/2026 811084425 CMS
PFIZER INC. $14.80 01/13/2021 Food and Beverage Undisputed 01/23/2026 833489421 CMS
PFIZER INC. $15.72 02/10/2021 Food and Beverage Undisputed 01/23/2026 833550735 CMS
PFIZER INC. $14.43 03/03/2021 Food and Beverage Undisputed 01/23/2026 833458445 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.99 03/24/2021 Food and Beverage Undisputed 01/23/2026 819954204 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021
Generated from
OP_DTL_GNRL_PGYR2021_P01232026_01102026.csv

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