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

LYNN YAN LING ZHANG

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Family

NPI
1528289501
CMS profile
10643545
Location
LOS ANGELES, CA

General Payments · PY2021–2024

$3,902.08

  • Reported across 36 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,212.45

20 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 $2,212.45 20

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ViiV Healthcare Company $595.06 5
Gilead Sciences, Inc. $431.88 5
Janssen Pharmaceuticals, Inc $299.71 3
ABBVIE INC. $249.99 2
Astellas Pharma US Inc $248.79 2
Madrigal Pharmaceuticals $140.19 1
Paratek Pharmaceuticals, Inc. $125.00 1
EMD Serono, Inc. $121.83 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $125.00 1
PY2022 $320.98 3
PY2023 $1,243.65 12
PY2024 $2,212.45 20

Payment records · PY2024 (20)

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
ABBVIE INC. $125.00 05/31/2024 Food and Beverage Undisputed 01/23/2026 1108460436 CMS
ABBVIE INC. $124.99 08/29/2024 Food and Beverage Undisputed 01/23/2026 1108460438 CMS
Astellas Pharma US Inc $123.79 07/24/2024 Food and Beverage Undisputed 01/23/2026 1139526842 CMS
Astellas Pharma US Inc $125.00 10/17/2024 Food and Beverage Undisputed 01/23/2026 1139561196 CMS
EMD Serono, Inc. $121.83 06/28/2024 Food and Beverage Undisputed 01/23/2026 1120222809 CMS
Gilead Sciences, Inc. $46.44 02/08/2024 Food and Beverage Undisputed 01/23/2026 1133658712 CMS
Gilead Sciences, Inc. $64.27 02/24/2024 Food and Beverage Undisputed 01/23/2026 1133658714 CMS
Gilead Sciences, Inc. $144.85 09/18/2024 Food and Beverage Undisputed 01/23/2026 1133658716 CMS
Gilead Sciences, Inc. $54.74 10/18/2024 Food and Beverage Undisputed 01/23/2026 1133658718 CMS
Gilead Sciences, Inc. $121.58 10/30/2024 Food and Beverage Undisputed 01/23/2026 1133658720 CMS
Janssen Pharmaceuticals, Inc $25.46 04/08/2024 Food and Beverage Undisputed 01/23/2026 1077929211 CMS
Janssen Pharmaceuticals, Inc $124.25 06/27/2024 Food and Beverage Undisputed 01/23/2026 1077929347 CMS
Janssen Pharmaceuticals, Inc $150.00 10/25/2024 Food and Beverage Undisputed 01/23/2026 1077930319 CMS
Madrigal Pharmaceuticals $140.19 12/11/2024 Food and Beverage Undisputed 01/23/2026 1144201209 CMS
Paratek Pharmaceuticals, Inc. $125.00 03/28/2024 Food and Beverage Undisputed 01/23/2026 1113936018 CMS
ViiV Healthcare Company $111.69 01/26/2024 Food and Beverage Undisputed 01/23/2026 1112815735 CMS
ViiV Healthcare Company $122.80 03/22/2024 Food and Beverage Undisputed 01/23/2026 1112783894 CMS
ViiV Healthcare Company $123.03 04/26/2024 Food and Beverage Undisputed 01/23/2026 1112812073 CMS
ViiV Healthcare Company $119.28 07/25/2024 Food and Beverage Undisputed 01/23/2026 1112796842 CMS
ViiV Healthcare Company $118.26 08/30/2024 Food and Beverage Undisputed 01/23/2026 1112785742 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.