Total Payments
$1,491
2023 Payments
$99.20
Companies
14
Transactions
18
Medicare Patients
597
Medicare Billing
$52,928
Payment Breakdown by Category
Food & Beverage$1,480 (99.3%)
Education$10.24 (0.7%)
Other$0.00 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $1,480 | 17 | 99.3% |
| Education | $10.24 | 1 | 0.7% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Amarin Pharma Inc. | $274.23 | 3 | $0 (2019) |
| Alcon Laboratories Inc | $146.45 | 1 | $0 (2017) |
| Glaukos Corporation | $145.91 | 1 | $0 (2017) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $142.34 | 2 | $0 (2017) |
| Regeneron Pharmaceuticals, Inc. | $125.00 | 1 | $0 (2017) |
| Horizon Pharma plc | $124.99 | 1 | $0 (2018) |
| Dexcom, Inc. | $99.20 | 1 | $0 (2023) |
| Synergy Pharmaceuticals Inc | $96.69 | 1 | $0 (2017) |
| Abbott Laboratories | $95.56 | 1 | $0 (2020) |
| AstraZeneca Pharmaceuticals LP | $70.43 | 1 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2023 | $99.20 | 1 | Dexcom, Inc. ($99.20) |
| 2022 | $18.66 | 1 | Merck Sharp & Dohme LLC ($18.66) |
| 2020 | $95.56 | 1 | Abbott Laboratories ($95.56) |
| 2019 | $177.59 | 2 | Amarin Pharma Inc. ($142.59) |
| 2018 | $225.85 | 3 | Horizon Pharma plc ($124.99) |
| 2017 | $873.81 | 10 | Alcon Laboratories Inc ($146.45) |
All Payment Transactions
18 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 05/06/2023 | Dexcom, Inc. | DEXCOM G7 GSS (161) (Medical Supply) | Food and Beverage | In-kind items and services | $99.20 | General |
| Category: Endocrinology | ||||||
| 09/29/2022 | Merck Sharp & Dohme LLC | DIFICID (Drug), ZERBAXA, RECARBRIO | Food and Beverage | In-kind items and services | $18.66 | General |
| Category: INFECTIOUS DISEASE | ||||||
| 03/13/2020 | Abbott Laboratories | Confirm Rx (Device) | Food and Beverage | In-kind items and services | $95.56 | General |
| Category: Cardiac Arrhythmias and Heart Failure | ||||||
| 11/10/2019 | Radius Health, Inc. | Tymlos (Biological) | Food and Beverage | In-kind items and services | $35.00 | General |
| Category: Endocrinology | ||||||
| 03/08/2019 | Amarin Pharma Inc. | Vascepa (Drug) | Food and Beverage | In-kind items and services | $142.59 | General |
| Category: Hypertriglyceridemia | ||||||
| 11/11/2018 | Radius Health, Inc. | Tymlos (Biological) | Food and Beverage | In-kind items and services | $33.00 | General |
| Category: Endocrinology | ||||||
| 04/17/2018 | Horizon Pharma plc | TEPRO (Drug) | Food and Beverage | Cash or cash equivalent | $124.99 | General |
| Category: TEPRO | ||||||
| 03/30/2018 | SANOFI-AVENTIS U.S. LLC | SOLIQUA (Drug) | Food and Beverage | In-kind items and services | $67.86 | General |
| Category: DIABETES | ||||||
| 11/21/2017 | Synergy Pharmaceuticals Inc | Trulance (Drug) | Food and Beverage | In-kind items and services | $96.69 | General |
| Category: Gastroenterology | ||||||
| 11/18/2017 | Teva Pharmaceuticals USA, Inc. | AUSTEDO (Drug) | Food and Beverage | In-kind items and services | $15.35 | General |
| Category: Central Nervous System | ||||||
| 10/13/2017 | AstraZeneca Pharmaceuticals LP | BEVESPI AEROSPHERE (Drug) | Food and Beverage | In-kind items and services | $70.43 | General |
| Category: Respiratory | ||||||
| 10/06/2017 | Boehringer Ingelheim Pharmaceuticals, Inc. | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $78.87 | General |
| Category: DIABETES | ||||||
| 09/27/2017 | Glaukos Corporation | ISTENT TRABECULAR MICRO-BYPASS STENT SYSTEM (Device) | Food and Beverage | In-kind items and services | $145.91 | General |
| Category: Glaucoma | ||||||
| 07/21/2017 | Boehringer Ingelheim Pharmaceuticals, Inc. | — | Food and Beverage | In-kind items and services | $63.47 | General |
| 05/06/2017 | Alcon Laboratories Inc | ORA (Device), LenSx | Food and Beverage | In-kind items and services | $146.45 | General |
| Category: Ophthalmology | ||||||
| 05/06/2017 | Regeneron Pharmaceuticals, Inc. | EYLEA AFLIBERCEPT INJECTION (Biological) | Food and Beverage | In-kind items and services | $125.00 | General |
| Category: OPHTHALMOLOGY | ||||||
| 02/03/2017 | Amarin Pharma Inc. | Vascepa (Drug) | Food and Beverage | In-kind items and services | $121.40 | General |
| Category: Hypertriglyceridemia | ||||||
| 02/03/2017 | Amarin Pharma Inc. | Vascepa (Drug) | Education | In-kind items and services | $10.24 | General |
| Category: Hypertriglyceridemia | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 3 | 48 | 55 | $9,700 | $4,148 |
| 2022 | 5 | 139 | 162 | $29,310 | $12,141 |
| 2021 | 5 | 163 | 201 | $34,340 | $14,662 |
| 2020 | 7 | 247 | 298 | $48,395 | $21,976 |
Total Patients
597
Total Services
716
Medicare Billing
$52,928
Procedure Codes
20
All Medicare Procedures & Services
20 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | Office | 2023 | 20 | 26 | $5,200 | $2,378 | 45.7% |
| 92004 | New patient complete exam of visual system | Office | 2023 | 16 | 16 | $3,200 | $1,426 | 44.6% |
| 92133 | Imaging of optic nerve | Office | 2023 | 12 | 13 | $1,300 | $344.03 | 26.5% |
| 92014 | Established patient complete exam of visual system | Office | 2022 | 50 | 70 | $13,710 | $6,084 | 44.4% |
| 92004 | New patient complete exam of visual system | Office | 2022 | 36 | 36 | $7,200 | $3,590 | 49.9% |
| 92235 | Exam of retinal blood vessels using a special camera after injection of a dye | Office | 2022 | 11 | 12 | $2,400 | $1,104 | 46.0% |
| 92133 | Imaging of optic nerve | Office | 2022 | 28 | 29 | $2,900 | $720.28 | 24.8% |
| 92083 | Exam of visual field with extended testing | Office | 2022 | 14 | 15 | $3,100 | $642.61 | 20.7% |
| 92014 | Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits | Office | 2021 | 64 | 94 | $16,970 | $8,115 | 47.8% |
| 92004 | Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits | Office | 2021 | 33 | 33 | $6,370 | $2,726 | 42.8% |
| 92235 | Imaging of blood vessels in back of eye using fluorescein dye | Office | 2021 | 22 | 25 | $5,000 | $2,495 | 49.9% |
| 92133 | Diagnostic imaging of optic nerve of eye | Office | 2021 | 33 | 38 | $3,800 | $990.47 | 26.1% |
| 92250 | Photography of the retina | Office | 2021 | 11 | 11 | $2,200 | $335.95 | 15.3% |
| 92014 | Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits | Office | 2020 | 63 | 91 | $14,470 | $8,872 | 61.3% |
| 92004 | Eye and medical examination for diagnosis and treatment, new patient, 1 or more visits | Office | 2020 | 45 | 45 | $7,850 | $3,440 | 43.8% |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | Facility | 2020 | 17 | 19 | $5,700 | $3,150 | 55.3% |
| 92235 | Imaging of blood vessels in back of eye using fluorescein dye | Office | 2020 | 22 | 26 | $5,200 | $2,399 | 46.1% |
| 92133 | Diagnostic imaging of optic nerve of eye | Office | 2020 | 54 | 62 | $6,200 | $1,701 | 27.4% |
| 92012 | Eye and medical examination for diagnosis and treatment, established patient | Office | 2020 | 33 | 38 | $5,525 | $1,554 | 28.1% |
| 92083 | Measurement of field of vision during daylight conditions | Office | 2020 | 13 | 17 | $3,450 | $860.19 | 24.9% |
About Dr. Lung Chang, MD
Dr. Lung Chang, MD is a Ophthalmology healthcare provider based in Alhambra, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/17/2006. The National Provider Identifier (NPI) number assigned to this provider is 1013935444.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Lung Chang, MD has received a total of $1,491 in payments from pharmaceutical and medical device companies, with $99.20 received in 2023. These payments were reported across 18 transactions from 14 companies. The most common payment nature is "Food and Beverage" ($1,480).
As a Medicare-enrolled provider, Chang has provided services to 597 Medicare beneficiaries, totaling 716 services with total Medicare billing of $52,928. Data is available for 4 years (2020–2023), covering 20 distinct procedure/service records.
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Practice Information
- Specialty Ophthalmology
- Location Alhambra, CA
- Active Since 07/17/2006
- Last Updated 07/08/2007
- Taxonomy Code 207W00000X
- Entity Type Individual
- NPI Number 1013935444
Products in Payments
- Vascepa (Drug) $274.23
- ORA (Device) $146.45
- ISTENT TRABECULAR MICRO-BYPASS STENT SYSTEM (Device) $145.91
- EYLEA AFLIBERCEPT INJECTION (Biological) $125.00
- TEPRO (Drug) $124.99
- DEXCOM G7 GSS (161) (Medical Supply) $99.20
- Trulance (Drug) $96.69
- Confirm Rx (Device) $95.56
- JARDIANCE (Drug) $78.87
- BEVESPI AEROSPHERE (Drug) $70.43
- Tymlos (Biological) $68.00
- SOLIQUA (Drug) $67.86
- DIFICID (Drug) $18.66
- AUSTEDO (Drug) $15.35
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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.
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