Dr. Gregory Chambers, MD

NPI: 1972546406
Total Payments
$47,581
2024 Payments
$5,388
Companies
22
Transactions
154
Medicare Patients
215
Medicare Billing
$19,013

Payment Breakdown by Category

Education$31,000 (65.2%)
Travel$8,513 (17.9%)
Food & Beverage$8,054 (16.9%)
Gifts$13.57 (0.0%)
Other$0.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Education $31,000 12 65.2%
Travel and Lodging $8,513 24 17.9%
Food and Beverage $8,054 117 16.9%
Gift $13.57 1 0.0%

Top Paying Companies

Company Total Records Latest Year
INTUITIVE SURGICAL, INC. $35,613 50 $0 (2024)
NOVADAQ TECHNOLOGIES INC. $3,952 6 $0 (2017)
TELA Bio, Inc. $2,072 17 $0 (2024)
ACELL, INC. $1,043 14 $0 (2020)
ACUMED LLC $1,016 7 $0 (2021)
KCI USA, Inc. $685.11 5 $0 (2023)
W. L. Gore & Associates, Inc. $603.94 5 $0 (2019)
Davol Inc. $524.25 10 $0 (2024)
Integra LifeSciences Corporation $455.69 6 $0 (2023)
TEI Biosciences Inc $250.89 7 $0 (2019)

Payment History by Year

Year Amount Transactions Top Company
2024 $5,388 23 INTUITIVE SURGICAL, INC. ($3,033)
2023 $542.37 7 Aroa Biosurgery Incorporated ($145.57)
2022 $9,237 24 Intuitive Surgical, Inc. ($8,736)
2021 $7,718 22 Intuitive Surgical, Inc. ($6,083)
2020 $10,585 14 Intuitive Surgical, Inc. ($10,416)
2019 $7,761 24 Intuitive Surgical, Inc. ($6,919)
2018 $2,125 30 ACELL, INC. ($786.01)
2017 $4,224 10 NOVADAQ TECHNOLOGIES INC. ($3,952)

All Payment Transactions

154 individual payment records from CMS Open Payments — Page 1 of 7

Date Company Product Nature Form Amount Type
10/13/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $104.99 General
Category: Surgical Mesh
09/17/2024 INTUITIVE SURGICAL, INC. Da Vinci Surgical System (Device) Food and Beverage In-kind items and services $33.27 General
Category: SURGERY
09/05/2024 INTUITIVE SURGICAL, INC. DAVINCI XI (Device) Education In-kind items and services $1,500.00 General
Category: SURGERY
08/27/2024 INTUITIVE SURGICAL, INC. DAVINCI XI (Device) Education In-kind items and services $1,500.00 General
Category: SURGERY
06/09/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $85.52 General
Category: Surgical Mesh
05/29/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $36.00 General
Category: Surgical Mesh
05/19/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $41.01 General
Category: Surgical Mesh
05/19/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $39.69 General
Category: Surgical Mesh
05/19/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $31.75 General
Category: Surgical Mesh
05/18/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $173.74 General
Category: Surgical Mesh
05/18/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $120.24 General
Category: Surgical Mesh
05/18/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $33.17 General
Category: Surgical Mesh
05/17/2024 TELA Bio, Inc. OviTex 2S (Device) Travel and Lodging In-kind items and services $87.00 General
Category: Surgical Mesh
05/17/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $67.54 General
Category: Surgical Mesh
05/16/2024 TELA Bio, Inc. OviTex 2S (Device) Travel and Lodging In-kind items and services $700.20 General
Category: Surgical Mesh
04/23/2024 Davol Inc. Phasix Mesh (Device) Food and Beverage In-kind items and services $125.64 General
Category: Surgery
04/14/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $109.11 General
Category: Surgical Mesh
04/14/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $68.63 General
Category: Surgical Mesh
04/13/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $158.53 General
Category: Surgical Mesh
04/12/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $130.20 General
Category: Surgical Mesh
04/11/2024 Stryker Corporation SPY-PHI SYSTEM (Device) Food and Beverage In-kind items and services $94.80 General
Category: ENDOSCOPY
03/27/2024 TELA Bio, Inc. OviTex 2S (Device) Food and Beverage In-kind items and services $84.42 General
Category: Surgical Mesh
02/07/2024 Davol Inc. ARISTA AH FlexiTip (Device) Food and Beverage In-kind items and services $62.50 General
Category: Surgery
09/22/2023 Integra LifeSciences Corporation Integra (Device), Integra, Integra Food and Beverage In-kind items and services $72.15 General
Category: Recon-Skin and Wound
09/06/2023 Integra LifeSciences Corporation Integra (Device), Integra, Integra Food and Beverage In-kind items and services $57.69 General
Category: Recon-Skin and Wound

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 3 64 72 $29,505 $5,461
2022 2 42 60 $21,807 $3,980
2021 2 52 56 $20,025 $4,118
2020 2 57 71 $23,301 $5,453
Total Patients
215
Total Services
259
Medicare Billing
$19,013
Procedure Codes
9

All Medicare Procedures & Services

9 procedure records from CMS Medicare Utilization

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 22 23 $13,486 $2,503 18.6%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 31 38 $13,577 $2,502 18.4%
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes Facility 2023 11 11 $2,442 $454.74 18.6%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 29 47 $14,529 $2,728 18.8%
99222 Initial hospital inpatient care per day, typically 50 minutes Facility 2022 13 13 $7,278 $1,253 17.2%
99232 Subsequent hospital inpatient care, typically 25 minutes per day Facility 2021 33 37 $11,335 $2,143 18.9%
99222 Initial hospital inpatient care, typically 50 minutes per day Facility 2021 19 19 $8,690 $1,976 22.7%
99232 Subsequent hospital inpatient care, typically 25 minutes per day Facility 2020 39 53 $16,478 $3,319 20.1%
99222 Initial hospital inpatient care, typically 50 minutes per day Facility 2020 18 18 $6,823 $2,134 31.3%

About Dr. Gregory Chambers, MD

Dr. Gregory Chambers, MD is a Surgery healthcare provider based in Los Angeles, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/13/2006. The National Provider Identifier (NPI) number assigned to this provider is 1972546406.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Gregory Chambers, MD has received a total of $47,581 in payments from pharmaceutical and medical device companies, with $5,388 received in 2024. These payments were reported across 154 transactions from 22 companies. The most common payment nature is "Education" ($31,000).

As a Medicare-enrolled provider, Chambers has provided services to 215 Medicare beneficiaries, totaling 259 services with total Medicare billing of $19,013. Data is available for 4 years (2020–2023), covering 9 distinct procedure/service records.

Practice Information

  • Specialty Surgery
  • Location Los Angeles, CA
  • Active Since 06/13/2006
  • Last Updated 11/01/2017
  • Taxonomy Code 208600000X
  • Entity Type Individual
  • Practice Solo Practitioner
  • NPI Number 1972546406

Products in Payments

  • Da Vinci Surgical System (Device) $26,613
  • DAVINCI XI (Device) $9,000
  • SPY Technology (Device) $3,952
  • OviTex 2S (Device) $2,072
  • RibLoc (Device) $1,016
  • BIO-A Tissue Reinforcement (Device) $603.94
  • ABTHERA (Device) $453.47
  • Integra (Device) $307.55
  • Phasix (Device) $269.87
  • SURGIMEND (Device) $250.89
  • AMNIOEXCEL (Device) $210.40
  • SPY-PHI SYSTEM (Device) $153.08
  • CYTAL (Medical Supply) $148.14
  • Phasix Mesh (Device) $146.43
  • BRIDION (Drug) $135.38
  • Cook Medical Percutaneous Tracheostomy (Device) $135.29
  • HEMOBLAST BELLOWS (Device) $99.32
  • VAC VERAFLO (Device) $82.43
  • PREVENA (Device) $76.48
  • AdvantageRib (Device) $74.53

Data Sources

Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.

Surgery Doctors in Los Angeles