Total Payments
$1.7M
2024 Payments
$222,816
Companies
34
Transactions
1,786
Medicare Patients
1,259
Medicare Billing
$267,658
Payment Breakdown by Category
Education$830,433 (50.1%)
Other$623,041 (37.6%)
Travel$112,689 (6.8%)
Food & Beverage$67,850 (4.1%)
Consulting$21,915 (1.3%)
Gifts$240.64 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Education | $830,433 | 369 | 50.1% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $611,761 | 292 | 36.9% |
| Travel and Lodging | $112,689 | 457 | 6.8% |
| Food and Beverage | $67,850 | 651 | 4.1% |
| Consulting Fee | $21,915 | 7 | 1.3% |
| Honoraria | $11,280 | 5 | 0.7% |
| Gift | $240.64 | 5 | 0.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | $1.6M | 1,592 | $0 (2024) |
| Davol Inc. | $25,276 | 66 | $0 (2024) |
| Merit Medical Systems Inc | $16,339 | 9 | $0 (2019) |
| Covidien LP | $6,980 | 19 | $0 (2020) |
| Medtronic, Inc. | $3,348 | 22 | $0 (2024) |
| TELA Bio, Inc. | $828.61 | 13 | $0 (2024) |
| CONMED Corporation | $281.87 | 6 | $0 (2023) |
| Ethicon US, LLC | $264.52 | 8 | $0 (2022) |
| Allergan, Inc. | $178.91 | 6 | $0 (2022) |
| Applied Medical Resources Corporation | $175.00 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $222,816 | 276 | INTUITIVE SURGICAL, INC. ($211,714) |
| 2023 | $247,781 | 258 | Intuitive Surgical, Inc. ($246,527) |
| 2022 | $227,257 | 223 | Intuitive Surgical, Inc. ($224,611) |
| 2021 | $183,327 | 180 | Intuitive Surgical, Inc. ($169,760) |
| 2020 | $153,354 | 138 | Intuitive Surgical, Inc. ($148,992) |
| 2019 | $379,917 | 402 | Intuitive Surgical, Inc. ($365,777) |
| 2018 | $220,577 | 271 | Intuitive Surgical, Inc. ($213,131) |
| 2017 | $21,139 | 38 | Intuitive Surgical, Inc. ($20,776) |
All Payment Transactions
1,786 individual payment records from CMS Open Payments — Page 1 of 72
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/27/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Education | Cash or cash equivalent | $2,000.00 | General |
| Category: SURGERY | ||||||
| 12/20/2024 | 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 | $500.00 | General |
| Category: SURGERY | ||||||
| 12/19/2024 | Davol Inc. | Phasix Mesh (Device) | Travel and Lodging | In-kind items and services | $194.60 | General |
| Category: Surgery | ||||||
| 12/16/2024 | Davol Inc. | Phasix Mesh (Device) | Food and Beverage | In-kind items and services | $89.05 | General |
| Category: Surgery | ||||||
| 12/16/2024 | Davol Inc. | Phasix Mesh (Device) | Food and Beverage | In-kind items and services | $29.28 | General |
| Category: Surgery | ||||||
| 12/16/2024 | Davol Inc. | Phasix Mesh (Device) | Food and Beverage | In-kind items and services | $6.62 | General |
| Category: Surgery | ||||||
| 12/15/2024 | Davol Inc. | Phasix Mesh (Device) | Travel and Lodging | In-kind items and services | $201.51 | General |
| Category: Surgery | ||||||
| 12/11/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Education | Cash or cash equivalent | $1,000.00 | General |
| Category: SURGERY | ||||||
| 12/11/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Education | Cash or cash equivalent | $1,000.00 | General |
| Category: SURGERY | ||||||
| 12/10/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $83.80 | General |
| Category: SURGERY | ||||||
| 12/10/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $23.80 | General |
| Category: SURGERY | ||||||
| 12/09/2024 | Medtronic, Inc. | DEXTILE (Device) | Food and Beverage | In-kind items and services | $67.54 | General |
| Category: Hernia Repair | ||||||
| 11/26/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Education | Cash or cash equivalent | $4,000.00 | General |
| Category: SURGERY | ||||||
| 11/26/2024 | 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 | $500.00 | General |
| Category: SURGERY | ||||||
| 11/26/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Education | Cash or cash equivalent | $300.00 | General |
| Category: SURGERY | ||||||
| 11/26/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $27.67 | General |
| Category: SURGERY | ||||||
| 11/26/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $15.82 | General |
| Category: SURGERY | ||||||
| 11/26/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $6.25 | General |
| Category: SURGERY | ||||||
| 11/26/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $5.10 | General |
| Category: SURGERY | ||||||
| 11/26/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $4.63 | General |
| Category: SURGERY | ||||||
| 11/25/2024 | Applied Medical Resources Corporation | — | Consulting Fee | Cash or cash equivalent | $175.00 | General |
| 11/24/2024 | Davol Inc. | Phasix Mesh (Device) | Travel and Lodging | In-kind items and services | $35.15 | General |
| Category: Surgery | ||||||
| 11/22/2024 | Davol Inc. | Phasix Mesh (Device) | Travel and Lodging | In-kind items and services | $443.99 | General |
| Category: Surgery | ||||||
| 11/21/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $28.00 | General |
| Category: SURGERY | ||||||
| 11/20/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Education | Cash or cash equivalent | $1,000.00 | General |
| Category: SURGERY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 10 | 328 | 354 | $319,668 | $77,671 |
| 2022 | 9 | 330 | 368 | $315,788 | $75,127 |
| 2021 | 12 | 384 | 428 | $331,900 | $82,829 |
| 2020 | 9 | 217 | 223 | $129,739 | $32,030 |
Total Patients
1,259
Total Services
1,373
Medicare Billing
$267,658
Procedure Codes
40
All Medicare Procedures & Services
40 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 15734 | Creation of muscle graft to trunk | Facility | 2023 | 14 | 25 | $115,900 | $26,079 | 22.5% |
| 49650 | Repair of groin hernia using an endoscope | Facility | 2023 | 37 | 38 | $54,070 | $16,233 | 30.0% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 58 | 58 | $33,738 | $7,309 | 21.7% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 36 | 36 | $27,720 | $6,786 | 24.5% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 47 | 53 | $24,380 | $5,646 | 23.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 64 | 69 | $22,425 | $4,940 | 22.0% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 27 | 30 | $19,050 | $4,857 | 25.5% |
| 49324 | Insertion of abdominal cavity tube using an endoscope | Facility | 2023 | 11 | 11 | $12,595 | $3,690 | 29.3% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 22 | 22 | $8,602 | $1,828 | 21.3% |
| 76705 | Limited ultrasound scan of abdomen | Facility | 2023 | 12 | 12 | $1,188 | $301.32 | 25.4% |
| 15734 | Creation of muscle graft to trunk | Facility | 2022 | 11 | 21 | $97,356 | $21,620 | 22.2% |
| 49650 | Repair of groin hernia using an endoscope | Facility | 2022 | 36 | 36 | $52,967 | $15,123 | 28.6% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 83 | 83 | $48,555 | $10,497 | 21.6% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 35 | 35 | $26,950 | $6,455 | 24.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 63 | 82 | $26,650 | $5,980 | 22.4% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 35 | 41 | $18,860 | $4,591 | 24.3% |
| 49324 | Insertion of abdominal cavity tube using an endoscope | Facility | 2022 | 14 | 14 | $16,030 | $4,103 | 25.6% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 23 | 26 | $16,510 | $4,064 | 24.6% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 30 | 30 | $11,910 | $2,695 | 22.6% |
| 15734 | Muscle flap wound repair at trunk | Facility | 2021 | 11 | 20 | $92,720 | $20,532 | 22.1% |
| 99204 | New patient outpatient visit, total time 45-59 minutes | Office | 2021 | 88 | 88 | $51,163 | $12,828 | 25.1% |
| 49650 | Repair of groin hernia using an endoscope | Facility | 2021 | 31 | 31 | $42,699 | $12,513 | 29.3% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 48 | 59 | $26,861 | $6,555 | 24.4% |
| 99205 | New patient outpatient visit, total time 60-74 minutes | Office | 2021 | 34 | 34 | $25,950 | $6,271 | 24.2% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 61 | 76 | $24,472 | $6,269 | 25.6% |
About Dr. Rock Liu, MD
Dr. Rock Liu, MD is a Surgery healthcare provider based in Hayward, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 11/02/2006. The National Provider Identifier (NPI) number assigned to this provider is 1174601256.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Rock Liu, MD has received a total of $1.7M in payments from pharmaceutical and medical device companies, with $222,816 received in 2024. These payments were reported across 1,786 transactions from 34 companies. The most common payment nature is "Education" ($830,433).
As a Medicare-enrolled provider, Liu has provided services to 1,259 Medicare beneficiaries, totaling 1,373 services with total Medicare billing of $267,658. Data is available for 4 years (2020–2023), covering 40 distinct procedure/service records.
Ad
Practice Information
- Specialty Surgery
- Location Hayward, CA
- Active Since 11/02/2006
- Last Updated 02/26/2025
- Taxonomy Code 208600000X
- Entity Type Individual
- NPI Number 1174601256
Products in Payments
- Da Vinci Surgical System (Device) $1.5M
- DA VINCI SP (Device) $107,388
- Ostial Pro Stent Positioning System (Device) $6,579
- Phasix Mesh (Device) $3,301
- ProGrip (Device) $2,353
- PHASIX (Device) $1,225
- SIGNIA (Device) $716.79
- Dextile (Device) $440.07
- DAV-Phasix (Device) $320.33
- OviTex 2S (Device) $293.99
- LIGASURE (Device) $274.84
- OviTex Reinforced Bioscaffold With Permanent Polymer (OviTex) (Device) $270.91
- Ovitex (Device) $263.71
- AIRSEAL (Device) $262.22
- V-LOC 180 (Device) $225.86
- Phasix (Device) $172.55
- STRATTICE (Device) $126.09
- LigaSure (Device) $108.61
- ENDO GIA ULTRA (Device) $103.08
- Signia (Device) $94.86
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.