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

ELLEN MARIE BOERSMA

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner

NPI
1265684633
CMS profile
10429971
Location
LAKEPORT, CA

General Payments · PY2021–2024

$4,797.40

  • Reported across 215 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,308.04

51 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 $1,120.10 49
Education $187.94 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $1,340.98 66
PY2022 $1,085.09 53
PY2023 $1,063.29 45
PY2024 $1,308.04 51

Payment records · PY2024 (51)

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
Alexion Pharmaceuticals, Inc. $22.35 09/06/2024 Food and Beverage Undisputed 01/23/2026 1093991671 CMS
Alexion Pharmaceuticals, Inc. $30.67 12/14/2024 Food and Beverage Undisputed 01/23/2026 1094010016 CMS
Astellas Pharma US Inc $25.00 03/18/2024 Food and Beverage Undisputed 01/23/2026 1139465590 CMS
Astellas Pharma US Inc $20.86 05/14/2024 Food and Beverage Undisputed 01/23/2026 1139499140 CMS
Astellas Pharma US Inc $99.95 05/16/2024 Education Undisputed 01/23/2026 1139508039 CMS
Astellas Pharma US Inc $87.99 07/10/2024 Education Undisputed 01/23/2026 1139460868 CMS
AstraZeneca Pharmaceuticals LP $22.88 06/28/2024 Food and Beverage Undisputed 01/23/2026 1104365471 CMS
AstraZeneca Pharmaceuticals LP $27.34 07/12/2024 Food and Beverage Undisputed 01/23/2026 1105709612 CMS
Celgene Corporation $16.78 02/06/2024 Food and Beverage Undisputed 01/23/2026 1101157854 CMS
Celgene Corporation $21.76 03/20/2024 Food and Beverage Undisputed 01/23/2026 1101157862 CMS
Celgene Corporation $16.80 08/06/2024 Food and Beverage Undisputed 01/23/2026 1101157882 CMS
Daiichi Sankyo Inc. $27.72 03/02/2024 Food and Beverage Undisputed 01/23/2026 1089401463 CMS
Daiichi Sankyo Inc. $13.87 03/18/2024 Food and Beverage Undisputed 01/23/2026 1089401465 CMS
Daiichi Sankyo Inc. $13.29 04/04/2024 Food and Beverage Undisputed 01/23/2026 1089401467 CMS
Daiichi Sankyo Inc. $28.08 06/06/2024 Food and Beverage Undisputed 01/23/2026 1089401469 CMS
Daiichi Sankyo Inc. $7.75 06/28/2024 Food and Beverage Undisputed 01/23/2026 1089401471 CMS
Daiichi Sankyo Inc. $28.73 07/23/2024 Food and Beverage Undisputed 01/23/2026 1089401473 CMS
Daiichi Sankyo Inc. $25.46 09/11/2024 Food and Beverage Undisputed 01/23/2026 1089401459 CMS
Daiichi Sankyo Inc. $27.65 12/04/2024 Food and Beverage Undisputed 01/23/2026 1089401461 CMS
E.R. Squibb & Sons, L.L.C. $22.47 03/22/2024 Food and Beverage Undisputed 01/23/2026 1101575675 CMS
E.R. Squibb & Sons, L.L.C. $23.40 11/22/2024 Food and Beverage Undisputed 01/23/2026 1101575795 CMS
Eisai Inc. $19.63 03/08/2024 Food and Beverage Undisputed 01/23/2026 1110801018 CMS
Eisai Inc. $23.47 05/11/2024 Food and Beverage Undisputed 01/23/2026 1110801020 CMS
Eisai Inc. $18.43 09/12/2024 Food and Beverage Undisputed 01/23/2026 1110801022 CMS
Eisai Inc. $21.20 12/20/2024 Food and Beverage Undisputed 01/23/2026 1110801024 CMS
Genentech USA, Inc. $20.06 06/03/2024 Food and Beverage Undisputed 01/23/2026 1133156843 CMS
Genentech USA, Inc. $19.55 10/18/2024 Food and Beverage Undisputed 01/23/2026 1133156839 CMS
Incyte Corporation $28.18 10/26/2024 Food and Beverage Undisputed 01/23/2026 1141322575 CMS
Janssen Biotech, Inc. $18.50 02/09/2024 Food and Beverage Undisputed 01/23/2026 1078304024 CMS
Janssen Biotech, Inc. $22.84 06/11/2024 Food and Beverage Undisputed 01/23/2026 1078304008 CMS
Janssen Biotech, Inc. $23.41 12/06/2024 Food and Beverage Undisputed 01/23/2026 1078304030 CMS
Lilly USA, LLC $23.19 08/30/2024 Food and Beverage Undisputed 01/23/2026 1135629073 CMS
Merck Sharp & Dohme LLC $26.52 01/12/2024 Food and Beverage Undisputed 01/23/2026 1141659232 CMS
Merck Sharp & Dohme LLC $24.94 02/23/2024 Food and Beverage Undisputed 01/23/2026 1141856822 CMS
Merck Sharp & Dohme LLC $32.09 03/19/2024 Food and Beverage Undisputed 01/23/2026 1141856912 CMS
Merck Sharp & Dohme LLC $26.20 06/04/2024 Food and Beverage Undisputed 01/23/2026 1141659385 CMS
Merck Sharp & Dohme LLC $31.99 06/12/2024 Food and Beverage Undisputed 01/23/2026 1141659391 CMS
Merck Sharp & Dohme LLC $31.54 08/23/2024 Food and Beverage Undisputed 01/23/2026 1141659387 CMS
Merck Sharp & Dohme LLC $29.94 09/11/2024 Food and Beverage Undisputed 01/23/2026 1141924209 CMS
Merck Sharp & Dohme LLC $27.97 10/04/2024 Food and Beverage Undisputed 01/23/2026 1141659389 CMS
PFIZER INC. $20.67 01/27/2024 Food and Beverage Undisputed 01/23/2026 1130893371 CMS
PFIZER INC. $23.42 11/08/2024 Food and Beverage Undisputed 01/23/2026 1131386881 CMS
Pharmacosmos Therapeutics Inc. $17.08 02/16/2024 Food and Beverage Undisputed 01/23/2026 1154827833 CMS
Rigel Pharmaceuticals, Inc. $21.23 09/27/2024 Food and Beverage Undisputed 01/23/2026 1145207915 CMS
Saluda Medical Americas, Inc. $27.56 04/25/2024 Food and Beverage Undisputed 01/23/2026 1081876100 CMS
SERVIER PHARMACEUTICALS LLC $23.93 07/26/2024 Food and Beverage Undisputed 01/23/2026 1147266022 CMS
SpringWorks Therapeutics, Inc. $14.56 11/01/2024 Food and Beverage Undisputed 01/23/2026 1085809328 CMS
Stemline Therapeutics Inc. $19.47 06/06/2024 Food and Beverage Undisputed 01/23/2026 1142967570 CMS
Sumitomo Pharma America, Inc. $14.86 07/26/2024 Food and Beverage Undisputed 01/23/2026 1148945689 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.09 01/05/2024 Food and Beverage Undisputed 01/23/2026 1144972298 CMS
Takeda Pharmaceuticals U.S.A., Inc. $26.72 04/30/2024 Food and Beverage Undisputed 01/23/2026 1144972300 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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