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 M DIEFENDERFER

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1073909289
CMS profile
10427381
Location
COLUMBUS, OH

General Payments · PY2022–2024

$2,098.85

  • Reported across 14 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,961.55

13 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
Travel and Lodging $1,774.50 10
Food and Beverage $187.05 3

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
INTUITIVE SURGICAL, INC. $1,830.50 12
Acerta Pharma LLC $131.05 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $137.30 1
PY2024 $1,961.55 13

Payment records · PY2024 (13)

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

Program year 2024 2022 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
AstraZeneca Pharmaceuticals LP $131.05 05/15/2024 Food and Beverage Undisputed 01/23/2026 1104779148 CMS
INTUITIVE SURGICAL, INC. $214.72 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1137159471 CMS
INTUITIVE SURGICAL, INC. $19.00 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1137177970 CMS
INTUITIVE SURGICAL, INC. $253.32 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1137219441 CMS
INTUITIVE SURGICAL, INC. $19.00 09/17/2024 Travel and Lodging Undisputed 01/23/2026 1137278154 CMS
INTUITIVE SURGICAL, INC. $19.00 10/11/2024 Travel and Lodging Undisputed 01/23/2026 1137070600 CMS
INTUITIVE SURGICAL, INC. $220.00 10/11/2024 Travel and Lodging Undisputed 01/23/2026 1137142305 CMS
INTUITIVE SURGICAL, INC. $674.53 10/22/2024 Travel and Lodging Undisputed 01/23/2026 1137298776 CMS
INTUITIVE SURGICAL, INC. $335.92 10/28/2024 Travel and Lodging Undisputed 01/23/2026 1137095398 CMS
INTUITIVE SURGICAL, INC. $19.00 10/28/2024 Travel and Lodging Undisputed 01/23/2026 1137217113 CMS
INTUITIVE SURGICAL, INC. $28.00 11/04/2024 Food and Beverage Undisputed 01/23/2026 1137161489 CMS
INTUITIVE SURGICAL, INC. $28.00 11/05/2024 Food and Beverage Undisputed 01/23/2026 1137250599 CMS
INTUITIVE SURGICAL, INC. $0.01 11/05/2024 Travel and Lodging Undisputed 01/23/2026 1137290926 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
2022, 2024
Source files
Dataset page · Bulk file · PY2022 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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