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

LISA Y YEN

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Acute Care

NPI
1174810535
CMS profile
10770322
Location
LOS ANGELES, CA

General Payments · PY2021–2024

$4,728.81

  • Reported across 20 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,905.21

17 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 $1,915.12 8
Honoraria $1,225.00 1
Food and Beverage $765.09 8

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Exelixis Inc. $3,741.98 15
TerSera Therapeutics LLC $140.25 1
BOSTON SCIENTIFIC CORPORATION $22.98 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $720.00 1
PY2022 $103.60 2
PY2024 $3,905.21 17

Payment records · PY2024 (17)

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

Program year 2024 20212022 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
Boston Scientific Corporation $22.98 10/28/2024 Food and Beverage Undisputed 01/23/2026 1092705176 CMS
Exelixis Inc. $55.38 06/22/2024 Food and Beverage Undisputed 01/23/2026 1138572539 CMS
Exelixis Inc. $528.95 06/22/2024 Travel and Lodging Undisputed 01/23/2026 1138572541 CMS
Exelixis Inc. $175.00 06/22/2024 Travel and Lodging Undisputed 01/23/2026 1138572543 CMS
Exelixis Inc. $215.46 06/22/2024 Travel and Lodging Undisputed 01/23/2026 1138572545 CMS
Exelixis Inc. $155.55 06/22/2024 Food and Beverage Undisputed 01/23/2026 1138572547 CMS
Exelixis Inc. $90.00 06/22/2024 Food and Beverage Undisputed 01/23/2026 1138572549 CMS
Exelixis Inc. $38.15 06/22/2024 Travel and Lodging Undisputed 01/23/2026 1138572551 CMS
Exelixis Inc. $528.95 06/22/2024 Travel and Lodging Undisputed 01/23/2026 1138572555 CMS
Exelixis Inc. $55.38 06/22/2024 Food and Beverage Undisputed 01/23/2026 1138572557 CMS
Exelixis Inc. $38.15 06/22/2024 Travel and Lodging Undisputed 01/23/2026 1138572559 CMS
Exelixis Inc. $215.46 06/22/2024 Travel and Lodging Undisputed 01/23/2026 1138572561 CMS
Exelixis Inc. $175.00 06/22/2024 Travel and Lodging Undisputed 01/23/2026 1138572563 CMS
Exelixis Inc. $155.55 06/22/2024 Food and Beverage Undisputed 01/23/2026 1138572565 CMS
Exelixis Inc. $90.00 06/22/2024 Food and Beverage Undisputed 01/23/2026 1138572567 CMS
Exelixis Inc. $1,225.00 07/03/2024 Honoraria Undisputed 01/23/2026 1138572553 CMS
TerSera Therapeutics LLC $140.25 01/20/2024 Food and Beverage Undisputed 01/23/2026 1144722523 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, 2024
Source files
Dataset page · Bulk file · PY2021 , PY2022 , 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.