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

MARSHA C OLSON

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner

NPI
1184685851
CMS profile
10664812
Location
STERLING, MA

General Payments · PY2021–2023

$1,410.15

  • Reported across 84 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$346.67

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

PY2023 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $346.67 16

By paying entity

PY2023 · sorted by reported total

Paying entityAmountRecords
E.R. Squibb & Sons, L.L.C. $110.59 4
Amgen Inc. $86.84 4
PFIZER INC. $71.72 4
NOVARTIS PHARMACEUTICALS CORPORATION $42.78 2
Acerta Pharma LLC $34.74 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $405.43 33
PY2022 $658.05 35
PY2023 $346.67 16

Payment records · PY2023 (16)

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

Program year 2023 20212022 Record-level detail is published for PY2023; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Amgen Inc. $16.05 02/07/2023 Food and Beverage Undisputed 01/23/2026 1020431269 CMS
Amgen Inc. $26.54 02/23/2023 Food and Beverage Undisputed 01/23/2026 1020431273 CMS
Amgen Inc. $22.80 04/19/2023 Food and Beverage Undisputed 01/23/2026 1020431277 CMS
Amgen Inc. $21.45 05/16/2023 Food and Beverage Undisputed 01/23/2026 1020431281 CMS
AstraZeneca Pharmaceuticals LP $16.42 01/12/2023 Food and Beverage Undisputed 01/23/2026 1015851421 CMS
AstraZeneca Pharmaceuticals LP $18.32 04/04/2023 Food and Beverage Undisputed 01/23/2026 1015318381 CMS
E.R. Squibb & Sons, L.L.C. $27.05 01/19/2023 Food and Beverage Undisputed 01/23/2026 1015809779 CMS
E.R. Squibb & Sons, L.L.C. $29.39 02/16/2023 Food and Beverage Undisputed 01/23/2026 1015809807 CMS
E.R. Squibb & Sons, L.L.C. $29.32 04/06/2023 Food and Beverage Undisputed 01/23/2026 1015809859 CMS
E.R. Squibb & Sons, L.L.C. $24.83 05/23/2023 Food and Beverage Undisputed 01/23/2026 1015810233 CMS
Novartis Pharmaceuticals Corporation $24.06 02/21/2023 Food and Beverage Undisputed 01/23/2026 992901331 CMS
Novartis Pharmaceuticals Corporation $18.72 06/15/2023 Food and Beverage Undisputed 01/23/2026 992901335 CMS
PFIZER INC. $22.21 01/24/2023 Food and Beverage Undisputed 01/23/2026 1049089281 CMS
PFIZER INC. $23.42 03/09/2023 Food and Beverage Undisputed 01/23/2026 1049507961 CMS
PFIZER INC. $13.30 03/23/2023 Food and Beverage Undisputed 01/23/2026 1049401103 CMS
PFIZER INC. $12.79 05/11/2023 Food and Beverage Undisputed 01/23/2026 1050280931 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
Source files
Dataset page · Bulk file · PY2021 , PY2022 , PY2023
Generated from
OP_DTL_GNRL_PGYR2023_P01232026_01102026.csv

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Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.