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

KRISTINA M RIEFFENBERGER

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Family

NPI
1891950986
CMS profile
10924717
Location
WATERTOWN, SD

General Payments · PY2021–2024

$3,547.75

  • Reported across 187 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,203.98

61 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 $1,104.98 60
Education $99.00 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $330.92 20
PY2022 $1,062.36 52
PY2023 $950.49 54
PY2024 $1,203.98 61

Payment records · PY2024 (61)

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

Program year 2024 202120222023 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
ABBVIE INC. $19.80 11/13/2024 Food and Beverage Undisputed 01/23/2026 1108087046 CMS
Alexion Pharmaceuticals, Inc. $22.62 03/06/2024 Food and Beverage Undisputed 01/23/2026 1093964926 CMS
Alexion Pharmaceuticals, Inc. $22.47 10/24/2024 Food and Beverage Undisputed 01/23/2026 1093916235 CMS
Astellas Pharma US Inc $16.25 04/23/2024 Food and Beverage Undisputed 01/23/2026 1139495768 CMS
Astellas Pharma US Inc $17.91 10/09/2024 Food and Beverage Undisputed 01/23/2026 1139537620 CMS
AstraZeneca Pharmaceuticals LP $35.01 06/18/2024 Food and Beverage Undisputed 01/23/2026 1105389436 CMS
Aveo Pharmaceuticals, Inc. $12.92 04/30/2024 Food and Beverage Undisputed 01/23/2026 1143495416 CMS
Aveo Pharmaceuticals, Inc. $99.00 05/06/2024 Education Undisputed 01/23/2026 1143495422 CMS
Aveo Pharmaceuticals, Inc. $13.03 06/26/2024 Food and Beverage Undisputed 01/23/2026 1143495428 CMS
Aveo Pharmaceuticals, Inc. $21.90 11/21/2024 Food and Beverage Undisputed 01/23/2026 1143495434 CMS
BeiGene USA, Inc. $18.60 05/21/2024 Food and Beverage Undisputed 01/23/2026 1120850337 CMS
BeiGene USA, Inc. $16.07 09/30/2024 Food and Beverage Undisputed 01/23/2026 1120850339 CMS
BeiGene USA, Inc. $15.13 11/01/2024 Food and Beverage Undisputed 01/23/2026 1120850335 CMS
Coherus Biosciences Inc. $16.64 03/11/2024 Food and Beverage Undisputed 01/23/2026 1147279106 CMS
Daiichi Sankyo Inc. $18.03 01/04/2024 Food and Beverage Undisputed 01/23/2026 1089474539 CMS
Daiichi Sankyo Inc. $17.92 03/26/2024 Food and Beverage Undisputed 01/23/2026 1089474537 CMS
Daiichi Sankyo Inc. $19.16 05/09/2024 Food and Beverage Undisputed 01/23/2026 1089474541 CMS
Daiichi Sankyo Inc. $16.79 07/15/2024 Food and Beverage Undisputed 01/23/2026 1089474543 CMS
E.R. Squibb & Sons, L.L.C. $18.67 03/21/2024 Food and Beverage Undisputed 01/23/2026 1101486404 CMS
E.R. Squibb & Sons, L.L.C. $15.03 04/11/2024 Food and Beverage Undisputed 01/23/2026 1101486437 CMS
E.R. Squibb & Sons, L.L.C. $16.29 05/02/2024 Food and Beverage Undisputed 01/23/2026 1101486430 CMS
E.R. Squibb & Sons, L.L.C. $22.45 09/23/2024 Food and Beverage Undisputed 01/23/2026 1101486481 CMS
E.R. Squibb & Sons, L.L.C. $23.85 10/14/2024 Food and Beverage Undisputed 01/23/2026 1101486496 CMS
E.R. Squibb & Sons, L.L.C. $15.73 10/24/2024 Food and Beverage Undisputed 01/23/2026 1101486518 CMS
E.R. Squibb & Sons, L.L.C. $21.55 12/02/2024 Food and Beverage Undisputed 01/23/2026 1101486526 CMS
Eisai Inc. $14.49 07/24/2024 Food and Beverage Undisputed 01/23/2026 1110810456 CMS
Genentech USA, Inc. $14.59 04/03/2024 Food and Beverage Undisputed 01/23/2026 1133169102 CMS
GENZYME CORPORATION $15.46 10/03/2024 Food and Beverage Undisputed 01/23/2026 1139804958 CMS
ImmunoGen, Inc. $19.77 01/11/2024 Food and Beverage Undisputed 01/23/2026 1099942157 CMS
Incyte Corporation $14.10 08/06/2024 Food and Beverage Undisputed 01/23/2026 1141178260 CMS
Janssen Biotech, Inc. $14.42 05/13/2024 Food and Beverage Undisputed 01/23/2026 1078646918 CMS
Janssen Biotech, Inc. $18.03 06/25/2024 Food and Beverage Undisputed 01/23/2026 1078647045 CMS
Janssen Biotech, Inc. $15.65 08/28/2024 Food and Beverage Undisputed 01/23/2026 1078646923 CMS
Janssen Biotech, Inc. $22.75 10/21/2024 Food and Beverage Undisputed 01/23/2026 1078646963 CMS
JAZZ PHARMACEUTICALS INC. $15.50 06/03/2024 Food and Beverage Undisputed 01/23/2026 1151318015 CMS
JAZZ PHARMACEUTICALS INC. $14.91 12/09/2024 Food and Beverage Undisputed 01/23/2026 1151318013 CMS
Kyowa Kirin, Inc. $17.22 02/08/2024 Food and Beverage Undisputed 01/23/2026 1127052403 CMS
Lilly USA, LLC $15.72 03/21/2024 Food and Beverage Undisputed 01/23/2026 1135777756 CMS
Lilly USA, LLC $24.79 09/04/2024 Food and Beverage Undisputed 01/23/2026 1135750207 CMS
Lilly USA, LLC $18.46 10/10/2024 Food and Beverage Undisputed 01/23/2026 1135777758 CMS
Lilly USA, LLC $17.83 11/12/2024 Food and Beverage Undisputed 01/23/2026 1135784050 CMS
MEDIVATION SERVICES LLC $62.35 07/10/2024 Food and Beverage Undisputed 01/23/2026 1131803095 CMS
Merck Sharp & Dohme LLC $13.83 04/10/2024 Food and Beverage Undisputed 01/23/2026 1141593914 CMS
Mirati Therapeutics, Inc. $14.89 04/18/2024 Food and Beverage Undisputed 01/23/2026 1117170334 CMS
Myriad Genetic Laboratories, Inc. $17.40 02/01/2024 Food and Beverage Undisputed 01/23/2026 1152550206 CMS
Novartis Pharmaceuticals Corporation $12.25 02/26/2024 Food and Beverage Undisputed 01/23/2026 1087244113 CMS
Novartis Pharmaceuticals Corporation $8.85 04/04/2024 Food and Beverage Undisputed 01/23/2026 1087244109 CMS
Novartis Pharmaceuticals Corporation $10.07 05/06/2024 Food and Beverage Undisputed 01/23/2026 1087244115 CMS
Novartis Pharmaceuticals Corporation $17.57 05/16/2024 Food and Beverage Undisputed 01/23/2026 1087244117 CMS
Novartis Pharmaceuticals Corporation $22.15 05/23/2024 Food and Beverage Undisputed 01/23/2026 1087244119 CMS
Novartis Pharmaceuticals Corporation $21.29 08/01/2024 Food and Beverage Undisputed 01/23/2026 1087244125 CMS
Novartis Pharmaceuticals Corporation $24.55 09/11/2024 Food and Beverage Undisputed 01/23/2026 1087244127 CMS
Novartis Pharmaceuticals Corporation $8.20 09/25/2024 Food and Beverage Undisputed 01/23/2026 1087244131 CMS
Novartis Pharmaceuticals Corporation $20.63 11/20/2024 Food and Beverage Undisputed 01/23/2026 1087244133 CMS
PFIZER INC. $21.88 06/17/2024 Food and Beverage Undisputed 01/23/2026 1131324139 CMS
Pharmacosmos Therapeutics Inc. $15.48 05/08/2024 Food and Beverage Undisputed 01/23/2026 1154832086 CMS
Secura Bio, Inc. $16.67 01/29/2024 Food and Beverage Undisputed 01/23/2026 1133336955 CMS
SERVIER PHARMACEUTICALS LLC $17.10 03/28/2024 Food and Beverage Undisputed 01/23/2026 1147267167 CMS
SOBI, INC $14.88 07/10/2024 Food and Beverage Undisputed 01/23/2026 1141433057 CMS
TAIHO ONCOLOGY, INC. $19.13 07/28/2024 Food and Beverage Undisputed 01/23/2026 1137934467 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.30 02/14/2024 Food and Beverage Undisputed 01/23/2026 1144982538 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
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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