Total Payments
$3,260
2024 Payments
$64.56
Companies
10
Transactions
40
Medicare Patients
4,119
Medicare Billing
$515,184
Payment Breakdown by Category
Travel$2,134 (65.5%)
Food & Beverage$1,118 (34.3%)
Education$7.96 (0.2%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Travel and Lodging | $2,134 | 10 | 65.5% |
| Food and Beverage | $1,118 | 29 | 34.3% |
| Education | $7.96 | 1 | 0.2% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Amgen Inc. | $2,514 | 23 | $0 (2019) |
| BioCardia, Inc. | $404.19 | 2 | $0 (2018) |
| Medtronic, Inc. | $104.42 | 2 | $0 (2024) |
| Abbott Laboratories | $51.54 | 2 | $0 (2017) |
| Gilead Sciences, Inc. | $44.61 | 2 | $0 (2024) |
| PFIZER INC. | $42.04 | 2 | $0 (2021) |
| AbbVie Inc. | $35.80 | 3 | $0 (2021) |
| Allergan Inc. | $24.00 | 2 | $0 (2018) |
| ABIOMED | $20.26 | 1 | $0 (2018) |
| Actelion Pharmaceuticals US, Inc. | $18.91 | 1 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $64.56 | 2 | Medtronic, Inc. ($47.00) |
| 2023 | $57.42 | 1 | Medtronic, Inc. ($57.42) |
| 2021 | $65.64 | 4 | AbbVie Inc. ($35.80) |
| 2019 | $136.47 | 2 | Amgen Inc. ($136.47) |
| 2018 | $1,445 | 18 | Amgen Inc. ($961.57) |
| 2017 | $1,491 | 13 | Amgen Inc. ($1,416) |
All Payment Transactions
40 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 03/14/2024 | Medtronic, Inc. | AQUAMANTYS(TM) (Device) | Food and Beverage | In-kind items and services | $47.00 | General |
| Category: Advanced Energy Hemostatic Device | ||||||
| 01/10/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $17.56 | General |
| 11/14/2023 | Medtronic, Inc. | PLASMABLADE(TM) (Device) | Food and Beverage | In-kind items and services | $57.42 | General |
| Category: Advanced Energy Cutting Device | ||||||
| 10/22/2021 | PFIZER INC. | ELIQUIS (Drug), VYNDAQEL | Food and Beverage | In-kind items and services | $29.84 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 07/06/2021 | AbbVie Inc. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $12.68 | General |
| Category: NEUROSCIENCE | ||||||
| 04/16/2021 | AbbVie Inc. | LINZESS (Drug) | Food and Beverage | In-kind items and services | $11.16 | General |
| Category: GASTROENTEROLOGY | ||||||
| 02/02/2021 | AbbVie Inc. | LINZESS (Drug) | Food and Beverage | In-kind items and services | $11.96 | General |
| Category: GASTROENTEROLOGY | ||||||
| 02/01/2019 | Amgen Inc. | Repatha (Biological) | Food and Beverage | In-kind items and services | $11.47 | General |
| Category: Cardiology | ||||||
| 01/22/2019 | Amgen Inc. | — | Food and Beverage | In-kind items and services | $125.00 | General |
| 12/07/2018 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $27.05 | General |
| 12/01/2018 | Amgen Inc. | — | Food and Beverage | Cash or cash equivalent | $79.62 | General |
| 12/01/2018 | Amgen Inc. | — | Food and Beverage | In-kind items and services | $48.91 | General |
| 12/01/2018 | Amgen Inc. | — | Food and Beverage | In-kind items and services | $48.91 | General |
| 12/01/2018 | Amgen Inc. | — | Travel and Lodging | Cash or cash equivalent | $31.56 | General |
| 12/01/2018 | Amgen Inc. | — | Food and Beverage | In-kind items and services | $24.45 | General |
| 11/30/2018 | Amgen Inc. | — | Travel and Lodging | In-kind items and services | $194.65 | General |
| 11/30/2018 | Amgen Inc. | — | Travel and Lodging | In-kind items and services | $176.52 | General |
| 11/30/2018 | Amgen Inc. | — | Travel and Lodging | In-kind items and services | $171.74 | General |
| 11/30/2018 | Amgen Inc. | — | Food and Beverage | In-kind items and services | $123.76 | General |
| 11/11/2018 | Amgen Inc. | Repatha (Biological) | Food and Beverage | In-kind items and services | $30.09 | General |
| Category: Cardiology | ||||||
| 10/31/2018 | Amgen Inc. | Repatha (Biological) | Food and Beverage | In-kind items and services | $23.40 | General |
| Category: Cardiology | ||||||
| 10/30/2018 | BioCardia, Inc. | CardiAMP (Biological) | Travel and Lodging | Cash or cash equivalent | $263.58 | General |
| Category: heart failure | ||||||
| 10/30/2018 | BioCardia, Inc. | CardiAMP (Biological) | Travel and Lodging | Cash or cash equivalent | $140.61 | General |
| Category: heart failure | ||||||
| 10/22/2018 | Allergan Inc. | LINZESS (Drug), VIBERZI | Food and Beverage | In-kind items and services | $13.07 | General |
| Category: GASTROENTEROLOGY | ||||||
| 05/09/2018 | Amgen Inc. | — | Education | In-kind items and services | $7.96 | General |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 18 | 1,132 | 1,872 | $576,432 | $135,392 |
| 2022 | 17 | 1,028 | 1,683 | $538,757 | $127,518 |
| 2021 | 16 | 1,061 | 1,805 | $530,203 | $134,239 |
| 2020 | 18 | 898 | 1,581 | $458,657 | $118,035 |
Total Patients
4,119
Total Services
6,941
Medicare Billing
$515,184
Procedure Codes
88
All Medicare Procedures & Services
88 procedure records from CMS Medicare Utilization — Page 1 of 4
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 198 | 362 | $109,134 | $25,298 | 23.2% |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Office | 2023 | 116 | 120 | $109,790 | $20,022 | 18.2% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 77 | 273 | $65,467 | $18,520 | 28.3% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2023 | 187 | 249 | $54,212 | $12,440 | 22.9% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 67 | 93 | $39,503 | $9,964 | 25.2% |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Facility | 2023 | 63 | 203 | $29,626 | $8,589 | 29.0% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 29 | 61 | $21,629 | $6,215 | 28.7% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 28 | 28 | $20,305 | $5,361 | 26.4% |
| 93505 | Biopsy of heart muscle | Facility | 2023 | 15 | 22 | $17,622 | $4,127 | 23.4% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 34 | 37 | $15,732 | $4,121 | 26.2% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2023 | 40 | 49 | $15,822 | $3,899 | 24.6% |
| 93451 | Insertion of tube in right heart chambers for measurement | Facility | 2023 | 30 | 39 | $18,559 | $3,023 | 16.3% |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | Office | 2023 | 24 | 26 | $11,042 | $2,925 | 26.5% |
| 93454 | Insertion of tube in coronary artery for diagnosis with review by radiologist | Facility | 2023 | 14 | 14 | $11,912 | $2,738 | 23.0% |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | Facility | 2023 | 21 | 23 | $7,242 | $1,917 | 26.5% |
| 93750 | Evaluation of lower heart chamber assist device | Facility | 2023 | 15 | 57 | $9,099 | $1,885 | 20.7% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2023 | 13 | 13 | $4,607 | $1,286 | 27.9% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2023 | 77 | 103 | $7,628 | $1,146 | 15.0% |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Facility | 2023 | 16 | 17 | $4,019 | $997.90 | 24.8% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2023 | 30 | 45 | $830.00 | $378.00 | 45.5% |
| 93244 | Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Office | 2023 | 20 | 20 | $1,656 | $361.44 | 21.8% |
| 93242 | Heart rhythm recording continous external ekg over more than 48 hours up to 7 days | Office | 2023 | 18 | 18 | $996.00 | $177.33 | 17.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 195 | 426 | $129,279 | $31,298 | 24.2% |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Office | 2022 | 113 | 119 | $101,250 | $21,895 | 21.6% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 84 | 266 | $61,196 | $16,148 | 26.4% |
About Dr. David Chang, MD
Dr. David Chang, MD is a Internal Medicine healthcare provider based in Beverly Hills, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/08/2007. The National Provider Identifier (NPI) number assigned to this provider is 1518170083.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. David Chang, MD has received a total of $3,260 in payments from pharmaceutical and medical device companies, with $64.56 received in 2024. These payments were reported across 40 transactions from 10 companies. The most common payment nature is "Travel and Lodging" ($2,134).
As a Medicare-enrolled provider, Chang has provided services to 4,119 Medicare beneficiaries, totaling 6,941 services with total Medicare billing of $515,184. Data is available for 4 years (2020–2023), covering 88 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Other Specialties Cardiovascular Disease, Advanced Heart Failure and Transplant Cardiology
- Location Beverly Hills, CA
- Active Since 05/08/2007
- Last Updated 12/28/2017
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1518170083
Products in Payments
- CardiAMP (Biological) $404.19
- Repatha (Biological) $64.96
- PLASMABLADE(TM) (Device) $57.42
- CardioMEMS HF System (Device) $51.54
- AQUAMANTYS(TM) (Device) $47.00
- ELIQUIS (Drug) $42.04
- LINZESS (Drug) $36.19
- VRAYLAR (Drug) $23.61
- Impella (Device) $20.26
- OPSUMIT MACITENTAN (Drug) $18.91
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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