Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

MELISSA THANG

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1477267821
CMS profile
11589348
Location
REDWOOD CITY, CA

General Payments · PY2024–2025

$694.94

  • Reported across 26 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$195.89

9 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $146.90 8
Education $48.99 1

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
SANOFI-AVENTIS U.S. LLC $48.99 1
GlaxoSmithKline, LLC. $46.64 2
GENZYME CORPORATION $26.15 1
OptiNose US, Inc. $24.73 1
Acerta Pharma LLC $19.50 1
Grifols USA, LLC $18.07 1
Organon LLC $11.81 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2024 $499.05 17
PY2025 $195.89 9

Payment records · PY2025 (9)

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

Program year 2025 2024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AstraZeneca Pharmaceuticals LP $19.50 10/28/2025 Food and Beverage Undisputed 06/30/2026 1206258284 CMS
GENZYME CORPORATION $26.15 02/25/2025 Food and Beverage Undisputed 06/30/2026 1233674980 CMS
GlaxoSmithKline, LLC. $31.18 02/11/2025 Food and Beverage Undisputed 06/30/2026 1190699708 CMS
GlaxoSmithKline, LLC. $15.46 11/14/2025 Food and Beverage Undisputed 06/30/2026 1191376238 CMS
Grifols USA, LLC $18.07 01/07/2025 Food and Beverage Undisputed 06/30/2026 1249593031 CMS
Optinose US, Inc. $24.73 01/21/2025 Food and Beverage Undisputed 06/30/2026 1163266602 CMS
Organon LLC $5.57 02/10/2025 Food and Beverage Undisputed 06/30/2026 1237718982 CMS
Organon LLC $6.24 02/18/2025 Food and Beverage Undisputed 06/30/2026 1237718984 CMS
SANOFI-AVENTIS U.S. LLC $48.99 11/24/2025 Education Undisputed 06/30/2026 1233675072 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2024, 2025
Source files
Dataset page · Bulk file · PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.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.