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

IRIS C GIBBS

Allopathic & Osteopathic Physicians Radiology Radiation Oncology

NPI
1407994429
CMS profile
18983
Location
PALO ALTO, CA

General Payments · PY2019–2022

$16,773.34

  • Reported across 31 records
  • CMS publication 2026-01-23

Latest program year · PY2022

$9,891.12

28 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

PY2022 · sorted by reported total

Nature of paymentAmountRecords
Honoraria $7,500.00 1
Travel and Lodging $2,129.56 16
Food and Beverage $261.56 11

By paying entity

PY2022 · sorted by reported total

Paying entityAmountRecords
ACCURAY INCORPORATED $9,837.22 27
Zap Surgical Systems, Inc. $53.90 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $6,699.63 1
PY2020 $182.59 2
PY2022 $9,891.12 28

Payment records · PY2022 (28)

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

Program year 2022 20192020 Record-level detail is published for PY2022; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Accuray Incorporated $341.10 08/03/2022 Travel and Lodging Undisputed 01/23/2026 964212911 CMS
Accuray Incorporated $381.19 08/03/2022 Travel and Lodging Undisputed 01/23/2026 964212955 CMS
Accuray Incorporated $336.81 08/08/2022 Travel and Lodging Undisputed 01/23/2026 964212903 CMS
Accuray Incorporated $27.44 08/10/2022 Travel and Lodging Undisputed 01/23/2026 964212913 CMS
Accuray Incorporated $133.70 08/19/2022 Food and Beverage Undisputed 01/23/2026 964212957 CMS
Accuray Incorporated $104.00 08/23/2022 Travel and Lodging Undisputed 01/23/2026 964212907 CMS
Accuray Incorporated $3.15 08/25/2022 Food and Beverage Undisputed 01/23/2026 964212925 CMS
Accuray Incorporated $1.55 08/25/2022 Food and Beverage Undisputed 01/23/2026 964212927 CMS
Accuray Incorporated $551.18 08/26/2022 Travel and Lodging Undisputed 01/23/2026 964212915 CMS
Accuray Incorporated $13.72 08/26/2022 Travel and Lodging Undisputed 01/23/2026 964212921 CMS
Accuray Incorporated $54.88 08/26/2022 Travel and Lodging Undisputed 01/23/2026 964212923 CMS
Accuray Incorporated $20.14 08/27/2022 Food and Beverage Undisputed 01/23/2026 964212573 CMS
Accuray Incorporated $4.10 08/27/2022 Travel and Lodging Undisputed 01/23/2026 964212575 CMS
Accuray Incorporated $1.94 08/27/2022 Travel and Lodging Undisputed 01/23/2026 964212577 CMS
Accuray Incorporated $6.90 08/27/2022 Travel and Lodging Undisputed 01/23/2026 964212579 CMS
Accuray Incorporated $5.36 08/27/2022 Travel and Lodging Undisputed 01/23/2026 964212581 CMS
Accuray Incorporated $21.49 08/27/2022 Food and Beverage Undisputed 01/23/2026 964212583 CMS
Accuray Incorporated $4.28 08/27/2022 Food and Beverage Undisputed 01/23/2026 964212585 CMS
Accuray Incorporated $28.89 08/27/2022 Travel and Lodging Undisputed 01/23/2026 964212917 CMS
Accuray Incorporated $27.07 08/27/2022 Travel and Lodging Undisputed 01/23/2026 964212919 CMS
Accuray Incorporated $2.60 08/27/2022 Food and Beverage Undisputed 01/23/2026 964212929 CMS
Accuray Incorporated $9.27 08/27/2022 Food and Beverage Undisputed 01/23/2026 964212931 CMS
Accuray Incorporated $4.29 08/27/2022 Food and Beverage Undisputed 01/23/2026 964212933 CMS
Accuray Incorporated $7.19 08/27/2022 Food and Beverage Undisputed 01/23/2026 964212935 CMS
Accuray Incorporated $104.00 08/28/2022 Travel and Lodging Undisputed 01/23/2026 964212909 CMS
Accuray Incorporated $7,500.00 09/06/2022 Honoraria Undisputed 01/23/2026 964212905 CMS
Accuray Incorporated $140.98 09/29/2022 Travel and Lodging Undisputed 01/23/2026 964212937 CMS
Zap Surgical Systems, Inc. $53.90 03/08/2022 Food and Beverage Undisputed 01/23/2026 953420767 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
2019, 2020, 2022
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2022
Generated from
OP_DTL_GNRL_PGYR2022_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.

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