Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $817.95 | 25 | 97.7% |
| Entertainment | $19.13 | 1 | 2.3% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Sight Sciences, Inc. | $209.99 | 6 | $0 (2024) |
| Horizon Therapeutics plc | $142.97 | 2 | $0 (2023) |
| Alcon Vision LLC | $125.23 | 6 | $0 (2024) |
| Amgen Inc. | $79.12 | 3 | $0 (2024) |
| E.R. Squibb & Sons, L.L.C. | $75.80 | 1 | $0 (2022) |
| Ethicon US, LLC | $66.67 | 1 | $0 (2020) |
| Shire North American Group Inc | $42.45 | 2 | $0 (2017) |
| INTUITIVE SURGICAL, INC. | $22.72 | 1 | $0 (2024) |
| Allergan, Inc. | $21.83 | 1 | $0 (2021) |
| Mallinckrodt Hospital Products Inc. | $19.27 | 1 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $338.16 | 11 | Sight Sciences, Inc. ($209.99) |
| 2023 | $183.50 | 4 | Horizon Therapeutics plc ($120.89) |
| 2022 | $75.80 | 1 | E.R. Squibb & Sons, L.L.C. ($75.80) |
| 2021 | $55.13 | 3 | Horizon Therapeutics plc ($22.08) |
| 2020 | $98.81 | 3 | Ethicon US, LLC ($66.67) |
| 2019 | $43.23 | 2 | Alcon Vision LLC ($24.10) |
| 2017 | $42.45 | 2 | Shire North American Group Inc ($42.45) |
All Payment Transactions
26 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/18/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $11.11 | General |
| Category: Ophthalmology | ||||||
| 11/15/2024 | Amgen Inc. | TEPEZZA (Biological) | Food and Beverage | In-kind items and services | $27.45 | General |
| Category: Inflammation/Rare Disease | ||||||
| 10/17/2024 | Amgen Inc. | TEPEZZA (Biological) | Food and Beverage | In-kind items and services | $18.65 | General |
| Category: Inflammation/Rare Disease | ||||||
| 10/15/2024 | Amgen Inc. | TEPEZZA (Biological) | Food and Beverage | In-kind items and services | $33.02 | General |
| Category: Inflammation/Rare Disease | ||||||
| 09/26/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $148.04 | General |
| Category: Ophthalmology | ||||||
| 08/13/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $20.62 | General |
| Category: Ophthalmology | ||||||
| 08/07/2024 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $26.33 | General |
| Category: Ophthalmology | ||||||
| 06/21/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $11.72 | General |
| Category: Ophthalmology | ||||||
| 04/24/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $2.79 | General |
| Category: Ophthalmology | ||||||
| 02/13/2024 | INTUITIVE SURGICAL, INC. | Da Vinci Surgical System (Device) | Food and Beverage | In-kind items and services | $22.72 | General |
| Category: SURGERY | ||||||
| 01/17/2024 | Sight Sciences, Inc. | OMNI SURGICAL SYSTEM (Device) | Food and Beverage | In-kind items and services | $15.71 | General |
| Category: Ophthalmology | ||||||
| 11/15/2023 | Alcon Vision LLC | Centurion (Device) | Food and Beverage | In-kind items and services | $19.82 | General |
| Category: Ophthalmology | ||||||
| 07/27/2023 | Horizon Therapeutics plc | TEPEZZA (Drug) | Food and Beverage | In-kind items and services | $120.89 | General |
| Category: TEPEZZA | ||||||
| 03/06/2023 | Alcon Vision LLC | Clareon (Device) | Food and Beverage | In-kind items and services | $23.52 | General |
| Category: Ophthalmology | ||||||
| 02/09/2023 | Mallinckrodt Hospital Products Inc. | ACTHAR (Biological) | Food and Beverage | In-kind items and services | $19.27 | General |
| Category: IMMUNOLOGY | ||||||
| 04/13/2022 | E.R. Squibb & Sons, L.L.C. | ELIQUIS (Drug) | Food and Beverage | Cash or cash equivalent | $75.80 | General |
| Category: Cardiovascular | ||||||
| 11/17/2021 | Horizon Therapeutics plc | TEPEZZA (Drug) | Food and Beverage | In-kind items and services | $22.08 | General |
| Category: TEPEZZA | ||||||
| 10/18/2021 | Alcon Vision LLC | AcrySof IQ VIVITY IOL (Device) | Food and Beverage | In-kind items and services | $11.22 | General |
| Category: Ophthalmology | ||||||
| 08/12/2021 | Allergan, Inc. | RESTASIS MULTIDOSE (Drug) | Food and Beverage | In-kind items and services | $21.83 | General |
| Category: DRY EYE | ||||||
| 10/08/2020 | Alcon Vision LLC | AcrySof IQ PanOptix (Device) | Food and Beverage | In-kind items and services | $20.24 | General |
| Category: Ophthalmology | ||||||
| 01/24/2020 | Davol Inc. | Phasix (Device) | Food and Beverage | In-kind items and services | $11.90 | General |
| Category: Davol | ||||||
| 01/23/2020 | Ethicon US, LLC | Echelon Powered Circular (Device), VISTASEAL, STRATAFIX | Food and Beverage | In-kind items and services | $66.67 | General |
| Category: Endo-Mechanical | ||||||
| 09/24/2019 | OPTOS, INC. | P200DTx (Device), P200T, P200TE | Entertainment | Cash or cash equivalent | $19.13 | General |
| Category: OPHTHALMOLOGY | ||||||
| 04/12/2019 | Alcon Vision LLC | ReSTOR (Device) | Food and Beverage | In-kind items and services | $24.10 | General |
| Category: Ophthalmology | ||||||
| 10/12/2017 | Shire North American Group Inc | XIIDRA (Drug) | Food and Beverage | In-kind items and services | $17.82 | General |
| Category: OPTHALMICS | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 21 | 2,903 | 4,039 | $1.3M | $406,327 |
| 2022 | 21 | 2,494 | 3,168 | $943,797 | $305,054 |
| 2021 | 21 | 2,680 | 3,466 | $1.1M | $336,545 |
| 2020 | 19 | 1,977 | 2,550 | $754,156 | $249,240 |
All Medicare Procedures & Services
115 procedure records from CMS Medicare Utilization — Page 1 of 5
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | Office | 2023 | 725 | 881 | $178,475 | $94,215 | 52.8% |
| 92012 | Established patient problem focused exam of visual system | Office | 2023 | 467 | 764 | $109,060 | $62,062 | 56.9% |
| 66984 | Removal of cataract with insertion of prosthetic lens | Facility | 2023 | 80 | 120 | $240,000 | $60,675 | 25.3% |
| 66982 | Complex removal of cataract with insertion of prosthetic lens | Facility | 2023 | 46 | 63 | $214,200 | $44,462 | 20.8% |
| 92004 | New patient complete exam of visual system | Office | 2023 | 215 | 215 | $54,680 | $24,259 | 44.4% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 254 | 426 | $42,640 | $22,009 | 51.6% |
| 15823 | Removal of excessive skin and fat of upper eyelid | Facility | 2023 | 29 | 29 | $109,500 | $20,262 | 18.5% |
| 92136 | Measurement of corneal curvature and depth of eye | Office | 2023 | 121 | 242 | $48,400 | $10,914 | 22.5% |
| 67961 | Removal of up to 1/4 of eyelid margin and repair of eyelid | Facility | 2023 | 20 | 23 | $52,000 | $9,927 | 19.1% |
| 92083 | Exam of visual field with extended testing | Office | 2023 | 103 | 136 | $38,760 | $8,282 | 21.4% |
| 92025 | Ct scan of cornea | Office | 2023 | 121 | 238 | $23,800 | $8,021 | 33.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 50 | 53 | $13,250 | $6,128 | 46.3% |
| 66821 | Removal of recurring cataract in lens capsule using a laser | Facility | 2023 | 14 | 18 | $10,800 | $5,396 | 50.0% |
| 68761 | Closure of tear duct opening using plug | Office | 2023 | 18 | 28 | $7,700 | $4,016 | 52.2% |
| 92134 | Imaging of retina | Office | 2023 | 61 | 97 | $14,550 | $3,730 | 25.6% |
| 92285 | Photography of content of eyes | Office | 2023 | 122 | 159 | $14,310 | $3,675 | 25.7% |
| 92133 | Imaging of optic nerve | Office | 2023 | 80 | 111 | $16,650 | $3,571 | 21.4% |
| 92082 | Exam of visual field with intermediate testing | Office | 2023 | 45 | 75 | $13,875 | $3,391 | 24.4% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 32 | 32 | $4,130 | $2,401 | 58.1% |
| 92136 | Measurement of corneal curvature and depth of eye | Facility | 2023 | 43 | 52 | $10,400 | $1,328 | 12.8% |
| 92002 | New patient problem focused exam of visual system | Office | 2023 | 19 | 19 | $2,850 | $1,320 | 46.3% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Facility | 2023 | 45 | 46 | $4,600 | $1,191 | 25.9% |
| 92014 | Established patient complete exam of visual system | Facility | 2023 | 19 | 19 | $3,800 | $1,098 | 28.9% |
| 92083 | Exam of visual field with extended testing | Facility | 2023 | 35 | 36 | $10,260 | $758.70 | 7.4% |
| 92025 | Ct scan of cornea | Facility | 2023 | 42 | 45 | $4,500 | $730.80 | 16.2% |
About Dr. Ivan Hwang, MD
Dr. Ivan Hwang, MD is a Ophthalmology healthcare provider based in Antioch, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 02/19/2007. The National Provider Identifier (NPI) number assigned to this provider is 1023152378.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Ivan Hwang, MD has received a total of $837.08 in payments from pharmaceutical and medical device companies, with $338.16 received in 2024. These payments were reported across 26 transactions from 12 companies. The most common payment nature is "Food and Beverage" ($817.95).
As a Medicare-enrolled provider, Hwang has provided services to 10,054 Medicare beneficiaries, totaling 13,223 services with total Medicare billing of $1.3M. Data is available for 4 years (2020–2023), covering 115 distinct procedure/service records.
Practice Information
- Specialty Ophthalmology
- Location Antioch, CA
- Active Since 02/19/2007
- Last Updated 07/08/2007
- Taxonomy Code 207W00000X
- Entity Type Individual
- NPI Number 1023152378
Products in Payments
- OMNI SURGICAL SYSTEM (Device) $209.99
- TEPEZZA (Drug) $142.97
- TEPEZZA (Biological) $79.12
- ELIQUIS (Drug) $75.80
- Echelon Powered Circular (Device) $66.67
- Clareon (Device) $49.85
- XIIDRA (Drug) $42.45
- ReSTOR (Device) $24.10
- Da Vinci Surgical System (Device) $22.72
- RESTASIS MULTIDOSE (Drug) $21.83
- AcrySof IQ PanOptix (Device) $20.24
- Centurion (Device) $19.82
- ACTHAR (Biological) $19.27
- P200DTx (Device) $19.13
- Phasix (Device) $11.90
- AcrySof IQ VIVITY IOL (Device) $11.22
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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