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

MATTHEW E SCHAEFER

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1346205648
CMS profile
600488
Location
SAN ANTONIO, TX

General Payments · PY2018–2024

$46,018.00

  • Reported across 272 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,046.58

45 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

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,029.69 44
Education $16.89 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $865.46 52
PY2019 $25,638.57 32
PY2020 $245.18 12
PY2021 $11,818.06 15
PY2022 $2,229.85 58
PY2023 $4,174.30 58
PY2024 $1,046.58 45

Payment records · PY2024 (45)

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

Program year 2024 201820192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AKEBIA THERAPEUTICS INC $28.27 10/15/2024 Food and Beverage Undisputed 01/23/2026 1145829572 CMS
Amgen Inc. $32.38 02/05/2024 Food and Beverage Undisputed 01/23/2026 1116093095 CMS
Amgen Inc. $18.31 11/21/2024 Food and Beverage Undisputed 01/23/2026 1117375597 CMS
ANI Pharmaceuticals, Inc. $21.39 10/01/2024 Food and Beverage Undisputed 01/23/2026 1091163996 CMS
Ardelyx, Inc. $16.50 02/15/2024 Food and Beverage Undisputed 01/23/2026 1146706139 CMS
AstraZeneca Pharmaceuticals LP $16.00 01/03/2024 Food and Beverage Undisputed 01/23/2026 1105449384 CMS
AstraZeneca Pharmaceuticals LP $23.54 01/18/2024 Food and Beverage Undisputed 01/23/2026 1105665016 CMS
AstraZeneca Pharmaceuticals LP $20.62 01/22/2024 Food and Beverage Undisputed 01/23/2026 1105492811 CMS
AstraZeneca Pharmaceuticals LP $71.88 02/06/2024 Food and Beverage Undisputed 01/23/2026 1104734967 CMS
AstraZeneca Pharmaceuticals LP $23.15 02/20/2024 Food and Beverage Undisputed 01/23/2026 1105701496 CMS
AstraZeneca Pharmaceuticals LP $17.34 02/29/2024 Food and Beverage Undisputed 01/23/2026 1104547424 CMS
AstraZeneca Pharmaceuticals LP $21.87 04/17/2024 Food and Beverage Undisputed 01/23/2026 1105853168 CMS
AstraZeneca Pharmaceuticals LP $25.03 06/11/2024 Food and Beverage Undisputed 01/23/2026 1104594852 CMS
AstraZeneca Pharmaceuticals LP $18.97 08/27/2024 Food and Beverage Undisputed 01/23/2026 1105569111 CMS
AstraZeneca Pharmaceuticals LP $17.59 09/12/2024 Food and Beverage Undisputed 01/23/2026 1104282097 CMS
Aurinia Pharma U.S., Inc. $23.69 03/28/2024 Food and Beverage Undisputed 01/23/2026 1150691594 CMS
Bayer Healthcare Pharmaceuticals Inc. $23.06 04/18/2024 Food and Beverage Undisputed 01/23/2026 1086249966 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $30.69 01/09/2024 Food and Beverage Undisputed 01/23/2026 1117971257 CMS
CorMedix Inc. $18.66 09/11/2024 Food and Beverage Undisputed 01/23/2026 1082024962 CMS
CorMedix Inc. $21.49 12/25/2024 Food and Beverage Undisputed 01/23/2026 1082024966 CMS
CorMedix Inc. $72.89 12/25/2024 Food and Beverage Undisputed 01/23/2026 1082024970 CMS
Daiichi Sankyo Inc. $6.20 02/20/2024 Food and Beverage Undisputed 01/23/2026 1089479053 CMS
Daiichi Sankyo Inc. $22.05 03/07/2024 Food and Beverage Undisputed 01/23/2026 1089479045 CMS
Daiichi Sankyo Inc. $21.48 04/09/2024 Food and Beverage Undisputed 01/23/2026 1089479049 CMS
Daiichi Sankyo Inc. $23.79 06/20/2024 Food and Beverage Undisputed 01/23/2026 1089479061 CMS
Daiichi Sankyo Inc. $20.15 07/09/2024 Food and Beverage Undisputed 01/23/2026 1089479063 CMS
Daiichi Sankyo Inc. $18.26 08/07/2024 Food and Beverage Undisputed 01/23/2026 1089479071 CMS
Daiichi Sankyo Inc. $6.02 09/12/2024 Food and Beverage Undisputed 01/23/2026 1089479073 CMS
Daiichi Sankyo Inc. $20.70 11/20/2024 Food and Beverage Undisputed 01/23/2026 1089479003 CMS
Fresenius USA Marketing, Inc. $22.28 01/23/2024 Food and Beverage Undisputed 01/23/2026 1154209690 CMS
Fresenius USA Marketing, Inc. $19.73 04/25/2024 Food and Beverage Undisputed 01/23/2026 1154209688 CMS
Fresenius USA Marketing, Inc. $14.89 06/04/2024 Food and Beverage Undisputed 01/23/2026 1154209686 CMS
Kyowa Kirin, Inc. $17.70 08/06/2024 Food and Beverage Undisputed 01/23/2026 1127037128 CMS
Kyowa Kirin, Inc. $17.08 09/10/2024 Food and Beverage Undisputed 01/23/2026 1127037130 CMS
Novartis Pharmaceuticals Corporation $24.86 03/26/2024 Food and Beverage Undisputed 01/23/2026 1087328107 CMS
Novartis Pharmaceuticals Corporation $31.26 09/05/2024 Food and Beverage Undisputed 01/23/2026 1087328141 CMS
OPKO Pharmaceuticals, LLC $22.84 08/13/2024 Food and Beverage Undisputed 01/23/2026 1112849572 CMS
Otsuka America Pharmaceutical, Inc. $20.55 02/08/2024 Food and Beverage Undisputed 01/23/2026 1118976974 CMS
Otsuka America Pharmaceutical, Inc. $24.06 04/23/2024 Food and Beverage Undisputed 01/23/2026 1118976976 CMS
Otsuka America Pharmaceutical, Inc. $23.93 07/16/2024 Food and Beverage Undisputed 01/23/2026 1118976978 CMS
Otsuka America Pharmaceutical, Inc. $25.98 09/03/2024 Food and Beverage Undisputed 01/23/2026 1118976980 CMS
Travere Therapeutics, Inc. $16.89 04/04/2024 Education Undisputed 01/23/2026 1149874914 CMS
Travere Therapeutics, Inc. $23.06 04/04/2024 Food and Beverage Undisputed 01/23/2026 1149874918 CMS
Vifor Pharma, Inc. $20.13 01/04/2024 Food and Beverage Undisputed 01/23/2026 1124035134 CMS
Vifor Pharma, Inc. $19.37 04/30/2024 Food and Beverage Undisputed 01/23/2026 1124047225 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, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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