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

MICHAEL C YANG

Allopathic & Osteopathic Physicians Ophthalmology

NPI
1699336974
CMS profile
11304578
Location
STANFORD, CA

General Payments · PY2021–2024

$2,613.13

  • Reported across 49 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$557.87

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
Food and Beverage $557.87 13

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Alcon Laboratories Inc $238.63 4
Sight Sciences, Inc. $204.56 4
ACIST MEDICAL SYSTEMS, INC. $55.87 2
ABBVIE INC. $42.86 2
RxSight Inc $15.95 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $93.56 3
PY2022 $456.67 9
PY2023 $1,505.03 24
PY2024 $557.87 13

Payment records · PY2024 (13)

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. $23.24 03/26/2024 Food and Beverage Undisputed 01/23/2026 1106370794 CMS
ABBVIE INC. $19.62 12/05/2024 Food and Beverage Undisputed 01/23/2026 1106370796 CMS
Acist Medical Systems, Inc. $29.60 07/31/2024 Food and Beverage Undisputed 01/23/2026 1123312540 CMS
Acist Medical Systems, Inc. $26.27 08/28/2024 Food and Beverage Undisputed 01/23/2026 1123312546 CMS
Alcon Vision LLC $24.83 01/09/2024 Food and Beverage Undisputed 01/23/2026 1110699122 CMS
Alcon Vision LLC $23.63 02/15/2024 Food and Beverage Undisputed 01/23/2026 1110699120 CMS
Alcon Vision LLC $40.58 03/13/2024 Food and Beverage Undisputed 01/23/2026 1110699124 CMS
Alcon Vision LLC $149.59 06/24/2024 Food and Beverage Undisputed 01/23/2026 1110699126 CMS
RxSight Inc $15.95 11/22/2024 Food and Beverage Undisputed 01/23/2026 1144231027 CMS
Sight Sciences, Inc. $141.15 03/01/2024 Food and Beverage Undisputed 01/23/2026 1151929145 CMS
Sight Sciences, Inc. $19.20 05/08/2024 Food and Beverage Undisputed 01/23/2026 1151929139 CMS
Sight Sciences, Inc. $20.53 09/18/2024 Food and Beverage Undisputed 01/23/2026 1151929141 CMS
Sight Sciences, Inc. $23.68 11/06/2024 Food and Beverage Undisputed 01/23/2026 1151929143 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.