Total Payments
$19,738
2024 Payments
$15,070
Companies
8
Transactions
27
Medicare Patients
1,069
Medicare Billing
$361,753
Payment Breakdown by Category
Other$14,000 (70.9%)
Travel$3,511 (17.8%)
Food & Beverage$1,204 (6.1%)
Consulting$780.00 (4.0%)
Education$242.97 (1.2%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $14,000 | 2 | 70.9% |
| Travel and Lodging | $3,511 | 2 | 17.8% |
| Food and Beverage | $1,204 | 18 | 6.1% |
| Consulting Fee | $780.00 | 1 | 4.0% |
| Education | $242.97 | 4 | 1.2% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | $15,478 | 16 | $0 (2024) |
| TransMedics, Inc. | $3,312 | 1 | $0 (2023) |
| XVIVO Perfusion Inc. | $382.43 | 3 | $0 (2024) |
| Ethicon US, LLC | $208.12 | 3 | $0 (2022) |
| Stryker Corporation | $199.00 | 1 | $0 (2018) |
| Intercept Pharmaceuticals, Inc. | $125.00 | 1 | $0 (2018) |
| ABBVIE INC. | $17.55 | 1 | $0 (2024) |
| Integra LifeSciences Corporation | $16.51 | 1 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $15,070 | 6 | INTUITIVE SURGICAL, INC. ($14,780) |
| 2023 | $3,576 | 5 | TransMedics, Inc. ($3,312) |
| 2022 | $459.91 | 7 | Intuitive Surgical, Inc. ($251.79) |
| 2021 | $283.85 | 6 | Intuitive Surgical, Inc. ($283.85) |
| 2020 | $24.51 | 1 | Intuitive Surgical, Inc. ($24.51) |
| 2018 | $324.00 | 2 | Stryker Corporation ($199.00) |
All Payment Transactions
27 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/06/2024 | XVIVO Perfusion Inc. | XVIVO Perfusion System (XPS) (Device) | Food and Beverage | In-kind items and services | $119.49 | General |
| Category: Transplantation | ||||||
| 05/07/2024 | XVIVO Perfusion Inc. | XVIVO Perfusion System (XPS) (Device) | Food and Beverage | In-kind items and services | $153.23 | General |
| Category: Transplantation | ||||||
| 05/01/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Consulting Fee | Cash or cash equivalent | $780.00 | General |
| Category: SURGERY | ||||||
| 02/27/2024 | ABBVIE INC. | CREON (Drug) | Food and Beverage | In-kind items and services | $17.55 | General |
| Category: ENDOCRINOLOGY | ||||||
| 02/07/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $10,000.00 | General |
| Category: SURGERY | ||||||
| 01/10/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $4,000.00 | General |
| Category: SURGERY | ||||||
| 11/15/2023 | XVIVO Perfusion Inc. | — | Food and Beverage | Cash or cash equivalent | $109.71 | General |
| 10/31/2023 | Integra LifeSciences Corporation | Integra (Device), Integra, Integra | Food and Beverage | In-kind items and services | $16.51 | General |
| Category: Recon-Skin and Wound | ||||||
| 04/18/2023 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Education | In-kind items and services | $87.18 | General |
| Category: SURGERY | ||||||
| 04/18/2023 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Education | In-kind items and services | $50.23 | General |
| Category: SURGERY | ||||||
| 04/12/2023 | TransMedics, Inc. | Organ Care System (Device) | Travel and Lodging | Cash or cash equivalent | $3,312.00 | General |
| Category: Device | ||||||
| 12/27/2022 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Education | In-kind items and services | $75.18 | General |
| Category: SURGERY | ||||||
| 12/27/2022 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Education | In-kind items and services | $30.38 | General |
| Category: SURGERY | ||||||
| 10/11/2022 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $83.11 | General |
| Category: SURGERY | ||||||
| 10/11/2022 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $63.12 | General |
| Category: SURGERY | ||||||
| 07/18/2022 | Ethicon US, LLC | Neuwave (Device), N/A | Food and Beverage | In-kind items and services | $94.45 | General |
| Category: Ablation System | ||||||
| 07/18/2022 | Ethicon US, LLC | Echelon; Endopath (Device), Neuwave | Food and Beverage | In-kind items and services | $62.97 | General |
| Category: Endo-Mechanical | ||||||
| 02/04/2022 | Ethicon US, LLC | Neuwave (Device), N/A | Food and Beverage | In-kind items and services | $50.70 | General |
| Category: Ablation System | ||||||
| 12/14/2021 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $15.36 | General |
| Category: SURGERY | ||||||
| 11/09/2021 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $203.20 | General |
| Category: SURGERY | ||||||
| 05/14/2021 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $25.14 | General |
| Category: SURGERY | ||||||
| 05/14/2021 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $10.86 | General |
| Category: SURGERY | ||||||
| 04/21/2021 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $9.00 | General |
| Category: SURGERY | ||||||
| 03/23/2021 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $20.29 | General |
| Category: SURGERY | ||||||
| 10/23/2020 | Intuitive Surgical, Inc. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $24.51 | General |
| Category: SURGERY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 10 | 273 | 565 | $246,535 | $57,658 |
| 2022 | 10 | 311 | 924 | $1.2M | $129,678 |
| 2021 | 10 | 297 | 684 | $547,300 | $89,166 |
| 2020 | 7 | 188 | 649 | $816,224 | $85,251 |
Total Patients
1,069
Total Services
2,822
Medicare Billing
$361,753
Procedure Codes
37
All Medicare Procedures & Services
37 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 54 | 234 | $79,950 | $23,873 | 29.9% |
| 48999 | Other procedure on pancreas | Facility | 2023 | 15 | 15 | $87,527 | $14,011 | 16.0% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 40 | 110 | $26,215 | $7,462 | 28.5% |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | Office | 2023 | 41 | 57 | $12,312 | $2,831 | 23.0% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 41 | 62 | $8,132 | $1,886 | 23.2% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 11 | 12 | $7,599 | $1,785 | 23.5% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 15 | 16 | $6,775 | $1,782 | 26.3% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 25 | 25 | $7,800 | $1,697 | 21.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 19 | 22 | $4,804 | $1,189 | 24.8% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 12 | 12 | $5,421 | $1,142 | 21.1% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 85 | 559 | $184,435 | $48,737 | 26.4% |
| 47135 | Transplantation of donor liver | Facility | 2022 | 15 | 15 | $738,000 | $40,933 | 5.5% |
| 48999 | Other procedure on pancreas | Facility | 2022 | 26 | 26 | $132,730 | $11,971 | 9.0% |
| 47562 | Removal of gallbladder using an endoscope | Facility | 2022 | 15 | 15 | $27,514 | $7,193 | 26.1% |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | Office | 2022 | 70 | 123 | $26,760 | $6,986 | 26.1% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 31 | 107 | $24,625 | $6,513 | 26.4% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 15 | 21 | $9,945 | $2,265 | 22.8% |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | Office | 2022 | 23 | 25 | $8,332 | $2,096 | 25.2% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 15 | 15 | $6,588 | $1,619 | 24.6% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 16 | 18 | $5,769 | $1,365 | 23.7% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2021 | 50 | 279 | $93,726 | $24,912 | 26.6% |
| 47135 | Transplantation of donor liver to anatomic position | Facility | 2021 | 11 | 12 | $222,342 | $21,948 | 9.9% |
| 48999 | Pancreas procedure | Facility | 2021 | 23 | 23 | $110,517 | $9,296 | 8.4% |
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | Facility | 2021 | 28 | 130 | $30,175 | $8,076 | 26.8% |
| 47562 | Removal of gallbladder using an endoscope | Facility | 2021 | 14 | 14 | $27,122 | $6,459 | 23.8% |
About Dr. Kambiz Kosari, MD
Dr. Kambiz Kosari, MD is a Transplant Surgery healthcare provider based in Los Angeles, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 09/26/2006. The National Provider Identifier (NPI) number assigned to this provider is 1396846721.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Kambiz Kosari, MD has received a total of $19,738 in payments from pharmaceutical and medical device companies, with $15,070 received in 2024. These payments were reported across 27 transactions from 8 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($14,000).
As a Medicare-enrolled provider, Kosari has provided services to 1,069 Medicare beneficiaries, totaling 2,822 services with total Medicare billing of $361,753. Data is available for 4 years (2020–2023), covering 37 distinct procedure/service records.
Ad
Practice Information
- Specialty Transplant Surgery
- Other Specialties Surgery
- Location Los Angeles, CA
- Active Since 09/26/2006
- Last Updated 06/30/2025
- Taxonomy Code 204F00000X
- Entity Type Individual
- NPI Number 1396846721
Products in Payments
- Da Vinci Surgical System (Device) $15,478
- Organ Care System (Device) $3,312
- XVIVO Perfusion System (XPS) (Device) $272.72
- 1588 HD 3 CHIP CAMERA (Device) $199.00
- Neuwave (Device) $145.15
- OCALIVA (Drug) $125.00
- Echelon; Endopath (Device) $62.97
- CREON (Drug) $17.55
- Integra (Device) $16.51
Explore
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.
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