Total Payments
$15,665
2024 Payments
$59.15
Companies
11
Transactions
72
Medicare Patients
2,196
Medicare Billing
$185,934
Payment Breakdown by Category
Consulting$11,250 (71.8%)
Food & Beverage$2,903 (18.5%)
Travel$1,492 (9.5%)
Education$20.00 (0.1%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $11,250 | 4 | 71.8% |
| Food and Beverage | $2,903 | 66 | 18.5% |
| Travel and Lodging | $1,492 | 1 | 9.5% |
| Education | $20.00 | 1 | 0.1% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| LeMaitre Vascular, Inc. | $13,746 | 41 | $0 (2023) |
| Medtronic, Inc. | $498.99 | 8 | $0 (2024) |
| Medtronic Vascular, Inc. | $469.98 | 12 | $0 (2020) |
| W. L. Gore & Associates, Inc. | $372.06 | 4 | $0 (2023) |
| Penumbra, Inc. | $162.91 | 1 | $0 (2018) |
| BARD PERIPHERAL VASCULAR, INC. | $124.42 | 1 | $0 (2019) |
| Cook Incorporated | $104.13 | 1 | $0 (2017) |
| ConvaTec Inc. | $102.07 | 1 | $0 (2019) |
| Inari Medical, Inc. | $53.44 | 1 | $0 (2020) |
| CSL Behring | $20.00 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $59.15 | 2 | Medtronic, Inc. ($39.15) |
| 2023 | $5,476 | 6 | LeMaitre Vascular, Inc. ($4,868) |
| 2021 | $55.51 | 4 | Medtronic, Inc. ($55.51) |
| 2020 | $130.27 | 4 | Medtronic Vascular, Inc. ($76.83) |
| 2019 | $2,913 | 16 | LeMaitre Vascular, Inc. ($2,686) |
| 2018 | $2,099 | 19 | LeMaitre Vascular, Inc. ($1,767) |
| 2017 | $4,933 | 21 | LeMaitre Vascular, Inc. ($4,425) |
All Payment Transactions
72 individual payment records from CMS Open Payments — Page 1 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 05/21/2024 | Medtronic, Inc. | ENDURANT IIS (Device) | Food and Beverage | In-kind items and services | $39.15 | General |
| Category: Aortic Stent Grafts | ||||||
| 02/13/2024 | CSL Behring | Kcentra (Biological) | Education | In-kind items and services | $20.00 | General |
| Category: Trauma (Emergency, Injury, Surgery) | ||||||
| 10/06/2023 | W. L. Gore & Associates, Inc. | VIABAHN Endoprosthesis with PROPATEN Bioactive Surface (Device) | Food and Beverage | In-kind items and services | $203.87 | General |
| Category: Devices | ||||||
| 08/22/2023 | LeMaitre Vascular, Inc. | HYDRO LEMAITRE VALVULOTOME (Device) | Consulting Fee | Cash or cash equivalent | $4,750.00 | General |
| Category: VALVULOTOM | ||||||
| 08/15/2023 | Medtronic, Inc. | ENDURANT IIS (Device) | Food and Beverage | In-kind items and services | $88.07 | General |
| Category: Aortic Stent Grafts | ||||||
| 08/10/2023 | LeMaitre Vascular, Inc. | HYDRO LEMAITRE VALVULOTOME (Device) | Food and Beverage | Cash or cash equivalent | $117.75 | General |
| Category: VALVULOTOM | ||||||
| 03/28/2023 | Medtronic, Inc. | ABRE (Device) | Food and Beverage | In-kind items and services | $162.66 | General |
| Category: Stents | ||||||
| 03/27/2023 | Medtronic, Inc. | ABRE (Device) | Food and Beverage | In-kind items and services | $153.60 | General |
| Category: Stents | ||||||
| 03/05/2021 | Medtronic, Inc. | Mo.Ma (Device) | Food and Beverage | In-kind items and services | $19.28 | General |
| Category: Embolic Protection Devices | ||||||
| 03/05/2021 | Medtronic, Inc. | Mo.Ma (Device) | Food and Beverage | In-kind items and services | $13.29 | General |
| Category: Embolic Protection Devices | ||||||
| 03/04/2021 | Medtronic, Inc. | Mo.Ma (Device) | Food and Beverage | In-kind items and services | $11.30 | General |
| Category: Embolic Protection Devices | ||||||
| 01/14/2021 | Medtronic, Inc. | Mo.Ma (Device) | Food and Beverage | In-kind items and services | $11.64 | General |
| Category: Embolic Protection Devices | ||||||
| 11/06/2020 | Medtronic Vascular, Inc. | Mo.Ma (Device) | Food and Beverage | In-kind items and services | $25.51 | General |
| Category: Embolic Protection Devices | ||||||
| 10/20/2020 | Inari Medical, Inc. | FlowTriever (Device), ClotTriever | Food and Beverage | In-kind items and services | $53.44 | General |
| Category: Venous Thrombectomy | ||||||
| 06/03/2020 | Medtronic Vascular, Inc. | HawkOne (Device) | Food and Beverage | In-kind items and services | $13.27 | General |
| Category: Directional Atherectomy Devices | ||||||
| 01/27/2020 | Medtronic Vascular, Inc. | Endurant (Device) | Food and Beverage | In-kind items and services | $38.05 | General |
| Category: Aortic Stent Grafts | ||||||
| 12/23/2019 | LeMaitre Vascular, Inc. | XENOSURE (Device) | Food and Beverage | Cash or cash equivalent | $13.03 | General |
| Category: XENOSURE | ||||||
| 12/19/2019 | LeMaitre Vascular, Inc. | RESTOREFLO (Device) | Food and Beverage | Cash or cash equivalent | $12.48 | General |
| Category: RESTOREFLO | ||||||
| 11/22/2019 | LeMaitre Vascular, Inc. | RESTOREFLO (Device) | Food and Beverage | Cash or cash equivalent | $12.02 | General |
| Category: RESTOREFLO | ||||||
| 10/14/2019 | LeMaitre Vascular, Inc. | VALVULOTOM (Device) | Consulting Fee | Cash or cash equivalent | $2,500.00 | General |
| Category: VALVULOTOM | ||||||
| 10/14/2019 | LeMaitre Vascular, Inc. | XENOSURE (Device) | Food and Beverage | Cash or cash equivalent | $2.40 | General |
| Category: XENOSURE | ||||||
| 08/23/2019 | LeMaitre Vascular, Inc. | XENOSURE (Device) | Food and Beverage | Cash or cash equivalent | $5.42 | General |
| Category: XENOSURE | ||||||
| 08/02/2019 | LeMaitre Vascular, Inc. | RESTOREFLO (Device) | Food and Beverage | Cash or cash equivalent | $4.91 | General |
| Category: RESTOREFLO | ||||||
| 07/10/2019 | LeMaitre Vascular, Inc. | XENOSURE (Device) | Food and Beverage | Cash or cash equivalent | $10.67 | General |
| Category: XENOSURE | ||||||
| 05/10/2019 | LeMaitre Vascular, Inc. | VALVULOTOM (Device) | Food and Beverage | Cash or cash equivalent | $5.64 | General |
| Category: VALVULOTOM | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 15 | 641 | 709 | $112,224 | $31,109 |
| 2022 | 12 | 448 | 486 | $124,517 | $29,910 |
| 2021 | 12 | 586 | 668 | $240,690 | $60,899 |
| 2020 | 10 | 521 | 605 | $276,744 | $64,016 |
Total Patients
2,196
Total Services
2,468
Medicare Billing
$185,934
Procedure Codes
49
All Medicare Procedures & Services
49 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 112 | 141 | $22,419 | $8,162 | 36.4% |
| 35301 | Removal of blood clot and portion of chest, neck, or brain artery | Facility | 2023 | 20 | 21 | $44,671 | $7,879 | 17.6% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 43 | 43 | $9,804 | $3,216 | 32.8% |
| 93880 | Ultrasound of both sides of head and neck blood flow | Facility | 2023 | 95 | 100 | $6,500 | $2,633 | 40.5% |
| 93923 | Complete ultrasound study of arm and leg arteries | Facility | 2023 | 125 | 144 | $6,912 | $2,265 | 32.8% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 15 | 15 | $5,250 | $1,823 | 34.7% |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | Facility | 2023 | 85 | 88 | $4,400 | $1,378 | 31.3% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 23 | 24 | $2,280 | $900.27 | 39.5% |
| 93926 | Ultrasound of one leg arteries or artery grafts | Facility | 2023 | 35 | 41 | $2,255 | $716.27 | 31.8% |
| 93975 | Complete ultrasound of abdomen and pelvis artery and vein blood flow | Facility | 2023 | 12 | 12 | $2,340 | $512.04 | 21.9% |
| 93925 | Ultrasound of leg arteries or artery grafts | Facility | 2023 | 16 | 17 | $1,479 | $458.56 | 31.0% |
| 93979 | Ultrasound of aorta, vena cava, groin vessels or bypass grafts | Facility | 2023 | 22 | 22 | $1,342 | $361.07 | 26.9% |
| 93978 | Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Facility | 2023 | 12 | 12 | $1,044 | $309.28 | 29.6% |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | Facility | 2023 | 14 | 14 | $1,078 | $280.72 | 26.0% |
| 93990 | Ultrasound of hemodialysis access | Facility | 2023 | 12 | 15 | $450.00 | $215.28 | 47.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 78 | 97 | $15,423 | $6,491 | 42.1% |
| 35301 | Removal of blood clot and portion of chest, neck, or brain artery | Facility | 2022 | 15 | 15 | $31,908 | $5,833 | 18.3% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 50 | 50 | $11,400 | $4,326 | 38.0% |
| 35585 | Bypass of diseased or blocked upper leg to lower leg artery with vein graft | Facility | 2022 | 13 | 14 | $40,006 | $4,052 | 10.1% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 15 | 15 | $5,250 | $1,885 | 35.9% |
| 93880 | Ultrasound of both sides of head and neck blood flow | Facility | 2022 | 58 | 60 | $3,900 | $1,808 | 46.4% |
| 93923 | Complete ultrasound study of arm and leg arteries | Facility | 2022 | 83 | 95 | $4,560 | $1,643 | 36.0% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2022 | 37 | 39 | $3,705 | $1,582 | 42.7% |
| 93975 | Complete ultrasound of abdomen and pelvis artery and vein blood flow | Facility | 2022 | 19 | 19 | $3,705 | $836.50 | 22.6% |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | Facility | 2022 | 50 | 50 | $2,500 | $816.16 | 32.6% |
About Dr. Benjamin Chang, MD
Dr. Benjamin Chang, MD is a Vascular & Interventional Radiology healthcare provider based in Williamsport, Pennsylvania. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/28/2005. The National Provider Identifier (NPI) number assigned to this provider is 1023008117.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Benjamin Chang, MD has received a total of $15,665 in payments from pharmaceutical and medical device companies, with $59.15 received in 2024. These payments were reported across 72 transactions from 11 companies. The most common payment nature is "Consulting Fee" ($11,250).
As a Medicare-enrolled provider, Chang has provided services to 2,196 Medicare beneficiaries, totaling 2,468 services with total Medicare billing of $185,934. Data is available for 4 years (2020–2023), covering 49 distinct procedure/service records.
Ad
Practice Information
- Specialty Vascular & Interventional Radiology
- Other Specialties Vascular Surgery, Thoracic Surgery (Cardiothoracic Vascular Surgery)
- Location Williamsport, PA
- Active Since 10/28/2005
- Last Updated 01/06/2022
- Taxonomy Code 2085R0204X
- Entity Type Individual
- NPI Number 1023008117
Products in Payments
- VALVULOTOM (Device) $8,543
- HYDRO LEMAITRE VALVULOTOME (Device) $4,868
- Endurant (Device) $395.26
- ABRE (Device) $316.26
- RESTOREFLO (Device) $249.67
- VIABAHN Endoprosthesis with PROPATEN Bioactive Surface (Device) $203.87
- Penumbra System (Device) $162.91
- PROPATEN Vascular Graft (Device) $136.91
- ENDURANT IIS (Device) $127.22
- Cook Medical Celect Platinum (Device) $104.13
- AQUACEL AG (Device) $102.07
- Mo.Ma (Device) $81.02
- FlowTriever (Device) $53.44
- PROCOL (Device) $44.19
- XENOSURE (Device) $36.87
- HawkOne (Device) $34.18
- EXCLUDER AAA Endoprosthesis (Device) $27.75
- Kcentra (Biological) $20.00
- IN.PACT Admiral (Device) $15.03
- ENDORE (Device) $5.10
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.
Vascular & Interventional Radiology Doctors in Williamsport
Umar Tariq, M.d, M.D
Vascular & Interventional Radiology — Payments: $5,673
Vascular & Interventional Radiology $5,673
Chin-Chin Yeh, Md, MD
Vascular & Interventional Radiology — Payments: $4,125
Vascular & Interventional Radiology $4,125
Christopher Enwonwu
Vascular & Interventional Radiology — Payments: $240.17
Vascular & Interventional Radiology $240.17