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

GREGORY A CHAMBERS

Allopathic & Osteopathic Physicians Surgery

NPI
1972546406
CMS profile
1188069
Location
LOS ANGELES, CA

General Payments · PY2018–2024

$43,356.83

  • Reported across 144 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$5,387.95

23 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 $3,000.00 2
Food and Beverage $1,600.75 19
Travel and Lodging $787.20 2

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
INTUITIVE SURGICAL, INC. $3,033.27 3
TELA Bio, Inc. $2,071.74 17
DAVOL INC. $188.14 2
Stryker Corporation $94.80 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,125.41 30
PY2019 $7,761.26 24
PY2020 $10,584.84 14
PY2021 $7,717.95 22
PY2022 $9,237.05 24
PY2023 $542.37 7
PY2024 $5,387.95 23

Payment records · PY2024 (23)

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
Davol Inc. $62.50 02/07/2024 Food and Beverage Undisputed 01/23/2026 1127667084 CMS
Davol Inc. $125.64 04/23/2024 Food and Beverage Undisputed 01/23/2026 1127667104 CMS
INTUITIVE SURGICAL, INC. $1,500.00 08/27/2024 Education Undisputed 01/23/2026 1137257257 CMS
INTUITIVE SURGICAL, INC. $1,500.00 09/05/2024 Education Undisputed 01/23/2026 1137108096 CMS
INTUITIVE SURGICAL, INC. $33.27 09/17/2024 Food and Beverage Undisputed 01/23/2026 1137266377 CMS
Stryker Corporation $94.80 04/11/2024 Food and Beverage Undisputed 01/23/2026 1119794875 CMS
TELA Bio, Inc. $84.42 03/27/2024 Food and Beverage Undisputed 01/23/2026 1154191811 CMS
TELA Bio, Inc. $130.20 04/12/2024 Food and Beverage Undisputed 01/23/2026 1154191805 CMS
TELA Bio, Inc. $158.53 04/13/2024 Food and Beverage Undisputed 01/23/2026 1154191803 CMS
TELA Bio, Inc. $109.11 04/14/2024 Food and Beverage Undisputed 01/23/2026 1154191807 CMS
TELA Bio, Inc. $68.63 04/14/2024 Food and Beverage Undisputed 01/23/2026 1154191813 CMS
TELA Bio, Inc. $700.20 05/16/2024 Travel and Lodging Undisputed 01/23/2026 1154191817 CMS
TELA Bio, Inc. $87.00 05/17/2024 Travel and Lodging Undisputed 01/23/2026 1154191819 CMS
TELA Bio, Inc. $67.54 05/17/2024 Food and Beverage Undisputed 01/23/2026 1154191825 CMS
TELA Bio, Inc. $173.74 05/18/2024 Food and Beverage Undisputed 01/23/2026 1154191797 CMS
TELA Bio, Inc. $33.17 05/18/2024 Food and Beverage Undisputed 01/23/2026 1154191799 CMS
TELA Bio, Inc. $120.24 05/18/2024 Food and Beverage Undisputed 01/23/2026 1154191823 CMS
TELA Bio, Inc. $39.69 05/19/2024 Food and Beverage Undisputed 01/23/2026 1154191801 CMS
TELA Bio, Inc. $31.75 05/19/2024 Food and Beverage Undisputed 01/23/2026 1154191809 CMS
TELA Bio, Inc. $41.01 05/19/2024 Food and Beverage Undisputed 01/23/2026 1154191829 CMS
TELA Bio, Inc. $36.00 05/29/2024 Food and Beverage Undisputed 01/23/2026 1154191815 CMS
TELA Bio, Inc. $85.52 06/09/2024 Food and Beverage Undisputed 01/23/2026 1154191821 CMS
TELA Bio, Inc. $104.99 10/13/2024 Food and Beverage Undisputed 01/23/2026 1154191827 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.