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

BARBARA S GIESSER

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1235154055
CMS profile
483944
Location
SANTA MONICA, CA

General Payments · PY2018–2024

$3,878.12

  • Reported across 64 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$271.40

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
Education $145.58 13
Food and Beverage $125.82 4

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Amgen Inc. $170.78 14
Genentech USA, Inc. $100.62 3

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $15.03 1
PY2020 $2,804.95 6
PY2021 $147.87 8
PY2022 $507.81 28
PY2023 $131.06 4
PY2024 $271.40 17

Payment records · PY2024 (17)

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

Program year 2024 20182020202120222023 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
Amgen Inc. $11.41 01/15/2024 Education Undisputed 01/23/2026 1111583534 CMS
Amgen Inc. $11.41 01/22/2024 Education Undisputed 01/23/2026 1111583536 CMS
Amgen Inc. $11.41 02/16/2024 Education Undisputed 01/23/2026 1111583538 CMS
Amgen Inc. $13.11 04/09/2024 Education Undisputed 01/23/2026 1111583540 CMS
Amgen Inc. $10.52 06/04/2024 Education Undisputed 01/23/2026 1111583542 CMS
Amgen Inc. $10.52 06/10/2024 Education Undisputed 01/23/2026 1111583544 CMS
Amgen Inc. $10.52 06/17/2024 Education Undisputed 01/23/2026 1111583546 CMS
Amgen Inc. $10.52 06/25/2024 Education Undisputed 01/23/2026 1111583548 CMS
Amgen Inc. $10.52 07/22/2024 Education Undisputed 01/23/2026 1111583550 CMS
Amgen Inc. $11.41 08/08/2024 Education Undisputed 01/23/2026 1111583552 CMS
Amgen Inc. $11.41 08/15/2024 Education Undisputed 01/23/2026 1111583554 CMS
Amgen Inc. $11.41 09/09/2024 Education Undisputed 01/23/2026 1111583556 CMS
Amgen Inc. $11.41 09/24/2024 Education Undisputed 01/23/2026 1111583558 CMS
Amgen Inc. $25.20 09/27/2024 Food and Beverage Undisputed 01/23/2026 1111583560 CMS
Genentech USA, Inc. $32.81 03/22/2024 Food and Beverage Undisputed 01/23/2026 1132980379 CMS
Genentech USA, Inc. $32.81 09/20/2024 Food and Beverage Undisputed 01/23/2026 1132980375 CMS
Genentech USA, Inc. $35.00 12/06/2024 Food and Beverage Undisputed 01/23/2026 1132980377 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, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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