Total Payments
$47,341
2024 Payments
$27,816
Companies
21
Transactions
210
Medicare Patients
1,511
Medicare Billing
$114,459
Payment Breakdown by Category
Consulting$16,818 (35.5%)
Food & Beverage$11,494 (24.3%)
Other$9,480 (20.0%)
Travel$9,219 (19.5%)
Education$330.00 (0.7%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $16,818 | 7 | 35.5% |
| Food and Beverage | $11,494 | 167 | 24.3% |
| Travel and Lodging | $9,219 | 31 | 19.5% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $8,480 | 3 | 17.9% |
| Grant | $1,000 | 1 | 2.1% |
| Education | $330.00 | 1 | 0.7% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| W. L. Gore & Associates, Inc. | $21,254 | 37 | $0 (2024) |
| Penumbra, Inc. | $9,238 | 19 | $0 (2024) |
| Cook Medical LLC | $5,190 | 50 | $0 (2024) |
| Cook Incorporated | $4,282 | 14 | $0 (2024) |
| Bolton Medical Inc | $2,225 | 20 | $0 (2024) |
| Endologix, LLC | $1,282 | 3 | $0 (2020) |
| Medtronic, Inc. | $868.92 | 14 | $0 (2024) |
| Medtronic Vascular, Inc. | $761.92 | 6 | $0 (2018) |
| Silk Road Medical, Inc. | $640.98 | 5 | $0 (2020) |
| Cardiovascular Systems Inc. | $370.74 | 7 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $27,816 | 57 | W. L. Gore & Associates, Inc. ($16,387) |
| 2023 | $7,016 | 40 | Penumbra, Inc. ($2,678) |
| 2022 | $1,049 | 22 | Penumbra, Inc. ($325.91) |
| 2021 | $751.52 | 10 | Terumo Medical Corporation ($158.16) |
| 2020 | $1,819 | 9 | Endologix, LLC ($1,000) |
| 2019 | $2,937 | 18 | W. L. Gore & Associates, Inc. ($2,196) |
| 2018 | $4,111 | 37 | Cook Medical LLC ($2,045) |
| 2017 | $1,841 | 17 | Cook Incorporated ($611.05) |
All Payment Transactions
210 individual payment records from CMS Open Payments — Page 1 of 9
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/09/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Food and Beverage | In-kind items and services | $29.92 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 11/08/2024 | Cook Medical LLC | ZENITH (Device) | Food and Beverage | Cash or cash equivalent | $139.26 | General |
| Category: Aortic Intervention | ||||||
| 10/07/2024 | Cook Medical LLC | COOK (Device) | Food and Beverage | Cash or cash equivalent | $12.75 | General |
| Category: Aortic Intervention | ||||||
| 10/04/2024 | Philips North America LLC | (BR6) Re Entry (Device) | Food and Beverage | Cash or cash equivalent | $23.91 | General |
| Category: Medical Device | ||||||
| 09/27/2024 | W. L. Gore & Associates, Inc. | GORE-TEX Vascular Graft (Device), GORE VIABAHN VBX Balloon Expandable Endo, GORE VIABAHN Endoprosthesis with Heparin | Consulting Fee | Cash or cash equivalent | $5,557.50 | General |
| Category: Devices | ||||||
| 09/27/2024 | W. L. Gore & Associates, Inc. | GORE VIABAHN Endoprosthesis with Heparin (Device), GORE VIABAHN VBX Balloon Expandable Endo, GORE-TEX Vascular Graft | Consulting Fee | Cash or cash equivalent | $5,130.00 | General |
| Category: Devices | ||||||
| 09/27/2024 | W. L. Gore & Associates, Inc. | EXCLUDER Conformable AAA Endoprosthesis with Active Control (Device), GORE-TEX Vascular Graft, GORE VIABAHN VBX Balloon Expandable Endo | Consulting Fee | Cash or cash equivalent | $3,420.00 | General |
| Category: Devices | ||||||
| 09/27/2024 | Cook Incorporated | ZENITH SPIRAL-Z (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 | $2,480.00 | General |
| Category: Aortic Intervention | ||||||
| 09/27/2024 | W. L. Gore & Associates, Inc. | GORE EXCLUDER Iliac Branch Endoprosthesis (Device), GORE VIABAHN VBX Balloon Expandable Endo, GORE VIABAHN Endoprosthesis with Heparin | Travel and Lodging | In-kind items and services | $174.99 | General |
| Category: Devices | ||||||
| 09/27/2024 | W. L. Gore & Associates, Inc. | GORE EXCLUDER Iliac Branch Endoprosthesis (Device), GORE VIABAHN Endoprosthesis with Heparin, GORE VIABAHN VBX Balloon Expandable Endo | Travel and Lodging | In-kind items and services | $89.11 | General |
| Category: Devices | ||||||
| 09/20/2024 | W. L. Gore & Associates, Inc. | GORE EXCLUDER Thoracoabdominal Branch Endoprosthesis (Device) | Food and Beverage | In-kind items and services | $154.55 | General |
| Category: Devices | ||||||
| 09/19/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Food and Beverage | In-kind items and services | $48.80 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/18/2024 | Medtronic, Inc. | ENDURANT IIS (Device) | Food and Beverage | In-kind items and services | $109.25 | General |
| Category: Aortic Stent Grafts | ||||||
| 09/18/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Food and Beverage | In-kind items and services | $18.11 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/14/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Food and Beverage | In-kind items and services | $34.00 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/13/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Travel and Lodging | Cash or cash equivalent | $85.90 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/13/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Food and Beverage | In-kind items and services | $42.48 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/13/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Food and Beverage | In-kind items and services | $2.98 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/12/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Travel and Lodging | Cash or cash equivalent | $600.53 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/12/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Travel and Lodging | Cash or cash equivalent | $263.12 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/12/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Travel and Lodging | Cash or cash equivalent | $199.00 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/12/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Food and Beverage | In-kind items and services | $158.75 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/12/2024 | Bolton Medical Inc | TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) | Travel and Lodging | Cash or cash equivalent | $112.53 | General |
| Category: ENDOVASCULAR AORTIC REPAIR | ||||||
| 09/03/2024 | W. L. Gore & Associates, Inc. | GORE EXCLUDER AAA Endoprosthesis (Device) | Travel and Lodging | In-kind items and services | $693.45 | General |
| Category: Devices | ||||||
| 08/08/2024 | CVRx, Inc. | Barostim Neo System (Device) | Food and Beverage | Cash or cash equivalent | $18.75 | General |
| Category: Heart Failure and Hypertension | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 12 | 418 | 438 | $144,311 | $29,848 |
| 2022 | 12 | 336 | 348 | $138,322 | $27,435 |
| 2021 | 15 | 407 | 429 | $130,311 | $29,690 |
| 2020 | 10 | 350 | 365 | $136,611 | $27,485 |
Total Patients
1,511
Total Services
1,580
Medicare Billing
$114,459
Procedure Codes
62
All Medicare Procedures & Services
62 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 93880 | Ultrasound of both sides of head and neck blood flow | Office | 2023 | 33 | 33 | $22,473 | $4,633 | 20.6% |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | Office | 2023 | 22 | 22 | $15,334 | $2,895 | 18.9% |
| 93926 | Ultrasound of one leg arteries or artery grafts | Office | 2023 | 32 | 33 | $16,288 | $2,731 | 16.8% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 27 | 38 | $7,790 | $2,703 | 34.7% |
| 93978 | Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Office | 2023 | 21 | 21 | $12,705 | $2,656 | 20.9% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 25 | 26 | $8,840 | $2,626 | 29.7% |
| 93922 | Ultrasound study of arm and leg arteries | Office | 2023 | 51 | 52 | $17,576 | $2,581 | 14.7% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 19 | 19 | $6,238 | $2,093 | 33.5% |
| 93923 | Complete ultrasound study of arm and leg arteries | Office | 2023 | 23 | 23 | $11,960 | $1,849 | 15.5% |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | Facility | 2023 | 55 | 58 | $6,960 | $1,469 | 21.1% |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | Office | 2023 | 19 | 19 | $8,510 | $1,438 | 16.9% |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | Facility | 2023 | 52 | 53 | $3,710 | $861.12 | 23.2% |
| 75710 | Review by radiologist of arm or leg artery image | Facility | 2023 | 11 | 11 | $1,892 | $702.79 | 37.1% |
| 93880 | Ultrasound of both sides of head and neck blood flow | Facility | 2023 | 15 | 15 | $3,450 | $445.50 | 12.9% |
| 76937 | Ultrasonic guidance for blood vessel access | Facility | 2023 | 13 | 15 | $585.00 | $165.45 | 28.3% |
| 93880 | Ultrasound of both sides of head and neck blood flow | Office | 2022 | 30 | 30 | $20,430 | $4,000 | 19.6% |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | Office | 2022 | 24 | 25 | $17,077 | $3,392 | 19.9% |
| 93923 | Complete ultrasound study of arm and leg arteries | Office | 2022 | 37 | 37 | $19,240 | $2,945 | 15.3% |
| 93926 | Ultrasound of one leg arteries or artery grafts | Office | 2022 | 26 | 26 | $12,725 | $2,530 | 19.9% |
| 93978 | Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Office | 2022 | 20 | 20 | $12,100 | $2,474 | 20.4% |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | Office | 2022 | 25 | 26 | $11,960 | $2,163 | 18.1% |
| 93925 | Ultrasound of leg arteries or artery grafts | Office | 2022 | 11 | 11 | $9,427 | $1,964 | 20.8% |
| 93990 | Ultrasound of hemodialysis access | Office | 2022 | 15 | 16 | $8,144 | $1,519 | 18.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 23 | 29 | $4,027 | $1,503 | 37.3% |
| 93922 | Ultrasound study of arm and leg arteries | Office | 2022 | 24 | 24 | $8,112 | $1,205 | 14.9% |
About Nathan Liang
Nathan Liang is a Vascular Surgery healthcare provider based in Pittsburgh, Pennsylvania. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/21/2011. The National Provider Identifier (NPI) number assigned to this provider is 1124314893.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Nathan Liang has received a total of $47,341 in payments from pharmaceutical and medical device companies, with $27,816 received in 2024. These payments were reported across 210 transactions from 21 companies. The most common payment nature is "Consulting Fee" ($16,818).
As a Medicare-enrolled provider, Liang has provided services to 1,511 Medicare beneficiaries, totaling 1,580 services with total Medicare billing of $114,459. Data is available for 4 years (2020–2023), covering 62 distinct procedure/service records.
Ad
Practice Information
- Specialty Vascular Surgery
- Location Pittsburgh, PA
- Active Since 06/21/2011
- Last Updated 03/25/2021
- Taxonomy Code 2086S0129X
- Entity Type Individual
- NPI Number 1124314893
Products in Payments
- Indigo System (Device) $8,935
- GORE-TEX Vascular Graft (Device) $5,558
- GORE VIABAHN Endoprosthesis with Heparin (Device) $5,130
- EXCLUDER Conformable AAA Endoprosthesis with Active Control (Device) $3,521
- ZENITH SPIRAL-Z (Device) $2,498
- TAG Thoracic Endoprosthesis (Device) $2,087
- TREO ABDOMINAL STENT-GRAFT SYSTEM (Device) $1,990
- GORE TAG Thoracic Branch Endoprosthesis (Device) $1,716
- COOK MEDICAL AAA (Device) $1,191
- ZENITH ALPHA (Device) $1,125
- ENDURANT IIS (Device) $774.26
- Cook Medical Zilver PTX (Device) $758.92
- GORE EXCLUDER AAA Endoprosthesis (Device) $693.45
- ENROUTE Transcarotid Neuroprotection System (Device) $640.98
- GORE TAG Conformable Thoracic Stent Graft (Device) $596.79
- ZILVER PTX (Device) $581.94
- Conformable TAG Thoracic Endoprosthesis (Device) $511.64
- Product in Development (Device) $419.69
- Endurant (Device) $418.78
- Diamondback Peripheral (Device) $370.74
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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