Total Payments
$2,561
2024 Payments
$843.64
Companies
12
Transactions
44
Medicare Patients
391
Medicare Billing
$24,601
Payment Breakdown by Category
Food & Beverage$2,561 (100.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $2,561 | 44 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Alcon Vision LLC | $552.34 | 10 | $0 (2024) |
| Glaukos Corporation | $412.86 | 3 | $0 (2023) |
| Johnson & Johnson Surgical Vision, Inc. | $367.18 | 4 | $0 (2023) |
| Oyster Point Pharma, Inc. | $322.23 | 7 | $0 (2024) |
| Sight Sciences, Inc. | $223.54 | 5 | $0 (2024) |
| Horizon Therapeutics plc | $156.21 | 3 | $0 (2023) |
| AbbVie Inc. | $146.78 | 2 | $0 (2023) |
| SUN PHARMACEUTICAL INDUSTRIES INC. | $107.25 | 4 | $0 (2024) |
| Ivantis, Inc | $101.96 | 1 | $0 (2021) |
| RxSight Inc | $68.80 | 1 | $0 (2022) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $843.64 | 21 | Alcon Vision LLC ($438.93) |
| 2023 | $538.12 | 9 | Johnson & Johnson Surgical Vision, Inc. ($251.61) |
| 2022 | $1,078 | 13 | GLAUKOS CORPORATION ($296.30) |
| 2021 | $101.96 | 1 | Ivantis, Inc ($101.96) |
All Payment Transactions
44 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/27/2024 | Amgen Inc. | TEPEZZA (Biological) | Food and Beverage | In-kind items and services | $23.00 | General |
| Category: Inflammation/Rare Disease | ||||||
| 11/19/2024 | Tarsus Pharmaceuticals, Inc. | XDEMVY (Drug) | Food and Beverage | In-kind items and services | $34.54 | General |
| Category: DEMODEX BLEPHARITIS | ||||||
| 11/04/2024 | Alcon Vision LLC | Luxor (Device) | Food and Beverage | In-kind items and services | $34.12 | General |
| Category: Ophthalmology | ||||||
| 10/25/2024 | Alcon Vision LLC | LenSx (Device) | Food and Beverage | In-kind items and services | $26.58 | General |
| Category: Ophthalmology | ||||||
| 10/24/2024 | Alcon Vision LLC | LenSx (Device) | Food and Beverage | In-kind items and services | $20.81 | General |
| Category: Ophthalmology | ||||||
| 10/18/2024 | Alcon Vision LLC | LenSx (Device) | Food and Beverage | In-kind items and services | $11.24 | General |
| Category: Ophthalmology | ||||||
| 08/16/2024 | Alcon Vision LLC | Rocklatan (Drug) | Food and Beverage | In-kind items and services | $32.18 | General |
| Category: Ophthalmology | ||||||
| 07/22/2024 | SUN PHARMACEUTICAL INDUSTRIES INC. | Cequa (Drug) | Food and Beverage | In-kind items and services | $25.96 | General |
| Category: Ophthalmology | ||||||
| 07/18/2024 | Alcon Vision LLC | ARGOS (Device) | Food and Beverage | In-kind items and services | $35.04 | General |
| Category: Ophthalmology | ||||||
| 07/09/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $31.24 | General |
| Category: Ophthalmology | ||||||
| 06/18/2024 | Tarsus Pharmaceuticals, Inc. | XDEMVY (Drug) | Food and Beverage | In-kind items and services | $30.62 | General |
| Category: DEMODEX BLEPHARITIS | ||||||
| 06/13/2024 | Alcon Vision LLC | Centurion (Device) | Food and Beverage | In-kind items and services | $141.19 | General |
| Category: Ophthalmology | ||||||
| 06/05/2024 | Alcon Vision LLC | HYDRUS Microstent (Device) | Food and Beverage | In-kind items and services | $16.35 | General |
| Category: Ophthalmology | ||||||
| 06/03/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $21.39 | General |
| Category: Ophthalmology | ||||||
| 05/29/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $121.42 | General |
| Category: Ophthalmology | ||||||
| 05/29/2024 | Amgen Inc. | TEPEZZA (Biological) | Food and Beverage | In-kind items and services | $14.15 | General |
| Category: Inflammation/Rare Disease | ||||||
| 05/23/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $21.38 | General |
| Category: Ophthalmology | ||||||
| 03/25/2024 | Oyster Point Pharma, Inc. | TYRVAYA (Drug) | Food and Beverage | In-kind items and services | $23.20 | General |
| Category: Dry eyes | ||||||
| 03/18/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $129.69 | General |
| Category: Ophthalmology | ||||||
| 02/27/2024 | Oyster Point Pharma, Inc. | TYRVAYA (Drug) | Food and Beverage | In-kind items and services | $29.70 | General |
| Category: Dry eyes | ||||||
| 02/12/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $19.84 | General |
| Category: Ophthalmology | ||||||
| 12/01/2023 | Sun Pharmaceutical Industries Inc. | Cequa (Drug) | Food and Beverage | In-kind items and services | $21.76 | General |
| Category: Ophthalmology | ||||||
| 10/25/2023 | Horizon Therapeutics plc | TEPEZZA (Drug) | Food and Beverage | In-kind items and services | $16.97 | General |
| Category: TEPEZZA | ||||||
| 10/03/2023 | Sun Pharmaceutical Industries Inc. | Cequa (Drug) | Food and Beverage | In-kind items and services | $39.25 | General |
| Category: Ophthalmology | ||||||
| 07/01/2023 | Johnson & Johnson Surgical Vision, Inc. | Tecnis Simplicity (Device) | Food and Beverage | In-kind items and services | $105.97 | General |
| Category: Optics | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 5 | 145 | 147 | $29,463 | $8,419 |
| 2022 | 7 | 246 | 262 | $49,527 | $16,182 |
Total Patients
391
Total Services
409
Medicare Billing
$24,601
Procedure Codes
12
All Medicare Procedures & Services
12 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 35 | 35 | $11,410 | $3,042 | 26.7% |
| 92014 | Established patient complete exam of visual system | Office | 2023 | 42 | 42 | $10,122 | $2,922 | 28.9% |
| 92012 | Established patient problem focused exam of visual system | Office | 2023 | 26 | 28 | $4,760 | $1,659 | 34.9% |
| 92134 | Imaging of retina | Office | 2023 | 27 | 27 | $2,106 | $508.38 | 24.1% |
| 92133 | Imaging of optic nerve | Office | 2023 | 15 | 15 | $1,065 | $287.65 | 27.0% |
| 92014 | Established patient complete exam of visual system | Office | 2022 | 55 | 56 | $13,526 | $4,513 | 33.4% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 41 | 41 | $13,366 | $4,321 | 32.3% |
| 92012 | Established patient problem focused exam of visual system | Office | 2022 | 46 | 58 | $9,874 | $3,585 | 36.3% |
| 92004 | New patient complete exam of visual system | Office | 2022 | 19 | 19 | $5,467 | $1,551 | 28.4% |
| 92134 | Imaging of retina | Office | 2022 | 50 | 51 | $3,990 | $1,255 | 31.5% |
| 92083 | Exam of visual field with extended testing | Office | 2022 | 23 | 25 | $3,028 | $855.11 | 28.2% |
| 76514 | Ultrasound scan of cornea to determine thickness | Office | 2022 | 12 | 12 | $276.00 | $101.02 | 36.6% |
About Sylvia Chang
Sylvia Chang is a Ophthalmology healthcare provider based in Rancho Cucamonga, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/03/2017. The National Provider Identifier (NPI) number assigned to this provider is 1053843458.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Sylvia Chang has received a total of $2,561 in payments from pharmaceutical and medical device companies, with $843.64 received in 2024. These payments were reported across 44 transactions from 12 companies. The most common payment nature is "Food and Beverage" ($2,561).
As a Medicare-enrolled provider, Chang has provided services to 391 Medicare beneficiaries, totaling 409 services with total Medicare billing of $24,601. Data is available for 2 years (2022–2023), covering 12 distinct procedure/service records.
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Practice Information
- Specialty Ophthalmology
- Other Specialties Ophthalmology
- Location Rancho Cucamonga, CA
- Active Since 04/03/2017
- Last Updated 06/13/2024
- Taxonomy Code 207W00000X
- Entity Type Individual
- NPI Number 1053843458
Products in Payments
- TYRVAYA (Drug) $322.23
- OMNI SURGICAL SYSTEM (Device) $223.54
- Tecnis Simplicity (Device) $206.42
- TEPEZZA (Drug) $156.21
- ISTENT (Device) $152.69
- VERITAS Vision System (Device) $145.64
- ISTENT INJECT W (Device) $143.61
- Centurion (Device) $141.19
- HYDRUS Microstent (Device) $129.76
- DURYSTA (Drug) $124.97
- Clareon (Device) $121.42
- iAccess Precision Blade (Device) $116.56
- Cequa (Drug) $107.25
- Hydrus Microstent (Device) $101.96
- LIGHT ADJUSTABLE LENS (LAL) AND LIGHT DELIVERY DEVICE (LDD) (Device) $68.80
- XDEMVY (Drug) $65.16
- LenSx (Device) $58.63
- TEPEZZA (Biological) $37.15
- ARGOS (Device) $35.04
- Luxor (Device) $34.12
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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.