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

ANDREA L KOSSLER

Allopathic & Osteopathic Physicians Ophthalmology Ophthalmic Plastic and Reconstructive Surgery

NPI
1285884106
CMS profile
1083708
Location
STANFORD, CA

General Payments · PY2018–2024

$83,885.01

  • Reported across 96 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$19,060.08

31 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
Consulting Fee $15,780.00 4
Travel and Lodging $1,973.61 7
Food and Beverage $1,272.90 19
Gift $33.57 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Amgen Inc. $15,240.92 7
ABBVIE INC. $2,187.72 17
Janssen Research & Development, LLC $1,275.00 1
Stryker Corporation $183.09 3
Tarsus Pharmaceuticals, Inc. $173.35 3

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $284.16 3
PY2019 $2,771.64 10
PY2020 $22,144.75 20
PY2021 $3,101.25 3
PY2022 $10,527.91 9
PY2023 $25,995.22 20
PY2024 $19,060.08 31

Payment records · PY2024 (31)

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

Program year 2024 201820192020202120222023 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. $99.61 08/22/2024 Food and Beverage Undisputed 01/23/2026 1104101880 CMS
ABBVIE INC. $33.57 09/19/2024 Gift Undisputed 01/23/2026 1103160954 CMS
ABBVIE INC. $155.12 09/19/2024 Travel and Lodging Undisputed 01/23/2026 1104192242 CMS
ABBVIE INC. $417.65 09/19/2024 Travel and Lodging Undisputed 01/23/2026 1104192244 CMS
ABBVIE INC. $60.00 09/20/2024 Food and Beverage Undisputed 01/23/2026 1104101882 CMS
ABBVIE INC. $118.82 09/20/2024 Food and Beverage Undisputed 01/23/2026 1104101884 CMS
ABBVIE INC. $13.35 09/20/2024 Food and Beverage Undisputed 01/23/2026 1104101886 CMS
ABBVIE INC. $70.00 09/20/2024 Food and Beverage Undisputed 01/23/2026 1104101888 CMS
ABBVIE INC. $25.00 09/20/2024 Food and Beverage Undisputed 01/23/2026 1104101890 CMS
ABBVIE INC. $65.10 09/20/2024 Travel and Lodging Undisputed 01/23/2026 1104192246 CMS
ABBVIE INC. $417.65 09/20/2024 Travel and Lodging Undisputed 01/23/2026 1104192248 CMS
ABBVIE INC. $78.33 09/21/2024 Food and Beverage Undisputed 01/23/2026 1104101892 CMS
ABBVIE INC. $33.33 09/21/2024 Food and Beverage Undisputed 01/23/2026 1104101894 CMS
ABBVIE INC. $68.33 09/21/2024 Food and Beverage Undisputed 01/23/2026 1104101896 CMS
ABBVIE INC. $303.19 09/21/2024 Travel and Lodging Undisputed 01/23/2026 1104192250 CMS
ABBVIE INC. $137.12 09/21/2024 Travel and Lodging Undisputed 01/23/2026 1104192252 CMS
ABBVIE INC. $91.55 10/04/2024 Food and Beverage Undisputed 01/23/2026 1104101898 CMS
Amgen Inc. $477.78 01/02/2024 Travel and Lodging Undisputed 01/23/2026 1111623388 CMS
Amgen Inc. $1,500.00 01/02/2024 Consulting Fee Undisputed 01/23/2026 1111623390 CMS
Amgen Inc. $3,200.00 01/02/2024 Consulting Fee Undisputed 01/23/2026 1111623392 CMS
Amgen Inc. $9,805.00 02/01/2024 Consulting Fee Undisputed 01/23/2026 1111623394 CMS
Amgen Inc. $40.69 04/06/2024 Food and Beverage Undisputed 01/23/2026 1111623396 CMS
Amgen Inc. $70.35 11/19/2024 Food and Beverage Undisputed 01/23/2026 1111623398 CMS
Amgen Inc. $147.10 11/19/2024 Food and Beverage Undisputed 01/23/2026 1111623400 CMS
Janssen Research & Development, LLC $1,275.00 07/02/2024 Consulting Fee Undisputed 01/23/2026 1077589961 CMS
Stryker Corporation $73.47 08/15/2024 Food and Beverage Undisputed 01/23/2026 1119882307 CMS
Stryker Corporation $53.88 08/15/2024 Food and Beverage Undisputed 01/23/2026 1119882309 CMS
Stryker Corporation $55.74 08/15/2024 Food and Beverage Undisputed 01/23/2026 1119882311 CMS
Tarsus Pharmaceuticals, Inc. $101.53 08/23/2024 Food and Beverage Undisputed 01/23/2026 1139109169 CMS
Tarsus Pharmaceuticals, Inc. $35.91 08/24/2024 Food and Beverage Undisputed 01/23/2026 1139109171 CMS
Tarsus Pharmaceuticals, Inc. $35.91 08/24/2024 Food and Beverage Undisputed 01/23/2026 1139109173 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
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , 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.