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 HAN NATHANSON

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner

NPI
1417398777
CMS profile
10523555
Location
PHILADELPHIA, PA

General Payments · PY2021–2024

$3,412.39

  • Reported across 176 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$321.89

14 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 $321.89 14

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ViiV Healthcare Company $166.31 8
Merck Sharp & Dohme Corporation $112.02 4
Gilead Sciences, Inc. $24.96 1
Napo Pharmaceuticals Inc $18.60 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $375.03 16
PY2022 $865.12 51
PY2023 $1,850.35 95
PY2024 $321.89 14

Payment records · PY2024 (14)

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
Gilead Sciences, Inc. $24.96 05/03/2024 Food and Beverage Undisputed 01/23/2026 1133709833 CMS
Merck Sharp & Dohme LLC $27.66 01/10/2024 Food and Beverage Undisputed 01/23/2026 1141963531 CMS
Merck Sharp & Dohme LLC $26.99 02/09/2024 Food and Beverage Undisputed 01/23/2026 1141944712 CMS
Merck Sharp & Dohme LLC $33.58 04/10/2024 Food and Beverage Undisputed 01/23/2026 1141800492 CMS
Merck Sharp & Dohme LLC $23.79 05/08/2024 Food and Beverage Undisputed 01/23/2026 1141901764 CMS
Napo Pharmaceuticals Inc $18.60 02/27/2024 Food and Beverage Undisputed 01/23/2026 1148037254 CMS
ViiV Healthcare Company $26.85 01/03/2024 Food and Beverage Undisputed 01/23/2026 1112808707 CMS
ViiV Healthcare Company $26.97 01/24/2024 Food and Beverage Undisputed 01/23/2026 1112736749 CMS
ViiV Healthcare Company $25.21 02/21/2024 Food and Beverage Undisputed 01/23/2026 1112738243 CMS
ViiV Healthcare Company $19.27 03/06/2024 Food and Beverage Undisputed 01/23/2026 1112815005 CMS
ViiV Healthcare Company $18.34 03/08/2024 Food and Beverage Undisputed 01/23/2026 1112750300 CMS
ViiV Healthcare Company $22.78 03/15/2024 Food and Beverage Undisputed 01/23/2026 1112750962 CMS
ViiV Healthcare Company $3.80 03/15/2024 Food and Beverage Undisputed 01/23/2026 1112769124 CMS
ViiV Healthcare Company $23.09 04/13/2024 Food and Beverage Undisputed 01/23/2026 1112750846 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

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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.