Total Payments
$4,681
2024 Payments
$719.22
Companies
25
Transactions
193
Medicare Patients
1,637
Medicare Billing
$224,237
Payment Breakdown by Category
Food & Beverage$4,372 (93.4%)
Travel$238.25 (5.1%)
Education$70.95 (1.5%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $4,372 | 190 | 93.4% |
| Travel and Lodging | $238.25 | 1 | 5.1% |
| Education | $70.95 | 2 | 1.5% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| ABBVIE INC. | $965.27 | 50 | $0 (2024) |
| Boston Scientific Corporation | $690.54 | 22 | $0 (2020) |
| Gilead Sciences, Inc. | $647.16 | 25 | $0 (2024) |
| PFIZER INC. | $463.09 | 25 | $0 (2024) |
| Janssen Biotech, Inc. | $248.80 | 13 | $0 (2024) |
| Echosens North America, Inc. | $238.25 | 1 | $0 (2019) |
| Celgene Corporation | $233.51 | 19 | $0 (2023) |
| Romark Laboratories, LC | $208.46 | 2 | $0 (2018) |
| Covidien LP | $144.51 | 2 | $0 (2019) |
| Cook Medical LLC | $128.57 | 1 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $719.22 | 33 | ABBVIE INC. ($226.14) |
| 2023 | $755.29 | 32 | AbbVie Inc. ($222.82) |
| 2022 | $805.98 | 46 | ABBVIE INC. ($171.87) |
| 2021 | $366.62 | 19 | Gilead Sciences, Inc. ($134.21) |
| 2020 | $84.79 | 4 | Boston Scientific Corporation ($49.00) |
| 2019 | $892.86 | 17 | Boston Scientific Corporation ($258.19) |
| 2018 | $494.03 | 21 | Boston Scientific Corporation ($226.84) |
| 2017 | $562.30 | 21 | BOSTON SCIENTIFIC CORPORATION ($156.51) |
All Payment Transactions
193 individual payment records from CMS Open Payments — Page 1 of 8
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/20/2024 | ABBVIE INC. | RINVOQ (Biological), SKYRIZI | Food and Beverage | In-kind items and services | $19.60 | General |
| Category: IMMUNOLOGY | ||||||
| 12/19/2024 | ABBVIE INC. | RINVOQ (Biological), SKYRIZI | Food and Beverage | In-kind items and services | $24.92 | General |
| Category: IMMUNOLOGY | ||||||
| 12/19/2024 | ABBVIE INC. | RINVOQ (Biological), SKYRIZI | Food and Beverage | In-kind items and services | $11.67 | General |
| Category: IMMUNOLOGY | ||||||
| 11/20/2024 | ABBVIE INC. | SKYRIZI (Biological), RINVOQ | Food and Beverage | In-kind items and services | $26.08 | General |
| Category: IMMUNOLOGY | ||||||
| 11/13/2024 | ABBVIE INC. | SKYRIZI (Biological), RINVOQ | Food and Beverage | In-kind items and services | $24.42 | General |
| Category: IMMUNOLOGY | ||||||
| 11/11/2024 | PFIZER INC. | XELJANZ (Drug), VELSIPITY | Food and Beverage | In-kind items and services | $27.35 | General |
| Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT | ||||||
| 10/29/2024 | Salix Pharmaceuticals, a division of Bausch Health US, LLC | TRULANCE (Drug) | Food and Beverage | In-kind items and services | $15.70 | General |
| Category: Gastroenterology | ||||||
| 10/25/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $25.81 | General |
| 10/17/2024 | PFIZER INC. | XELJANZ (Drug), VELSIPITY | Food and Beverage | In-kind items and services | $22.32 | General |
| Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT | ||||||
| 10/01/2024 | PFIZER INC. | XELJANZ (Drug), VELSIPITY | Food and Beverage | In-kind items and services | $20.22 | General |
| Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT | ||||||
| 09/20/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $30.58 | General |
| 09/19/2024 | ABBVIE INC. | RINVOQ (Biological), SKYRIZI | Food and Beverage | In-kind items and services | $22.75 | General |
| Category: IMMUNOLOGY | ||||||
| 08/01/2024 | ABBVIE INC. | RINVOQ (Biological), SKYRIZI | Food and Beverage | In-kind items and services | $18.88 | General |
| Category: IMMUNOLOGY | ||||||
| 07/18/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $22.23 | General |
| 07/10/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $22.83 | General |
| 07/01/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $24.10 | General |
| Category: Immunology | ||||||
| 06/26/2024 | Janssen Biotech, Inc. | STELARA (Biological) | Education | In-kind items and services | $50.95 | General |
| Category: Immunology | ||||||
| 06/21/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $13.89 | General |
| 06/17/2024 | PFIZER INC. | XELJANZ (Drug), VELSIPITY | Food and Beverage | In-kind items and services | $20.84 | General |
| Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT | ||||||
| 06/17/2024 | Ipsen Biopharmaceuticals, Inc | IQIRVO (Drug) | Education | In-kind items and services | $20.00 | General |
| Category: Rare Disease | ||||||
| 06/14/2024 | 3-D Matrix, Inc. | — | Food and Beverage | In-kind items and services | $47.13 | General |
| 06/06/2024 | ABBVIE INC. | RINVOQ (Biological), SKYRIZI | Food and Beverage | In-kind items and services | $25.17 | General |
| Category: IMMUNOLOGY | ||||||
| 05/23/2024 | Janssen Biotech, Inc. | STELARA (Biological) | Food and Beverage | In-kind items and services | $20.59 | General |
| Category: Immunology | ||||||
| 04/24/2024 | ABBVIE INC. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $15.90 | General |
| Category: IMMUNOLOGY | ||||||
| 04/11/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $26.96 | General |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 10 | 440 | 641 | $402,855 | $58,306 |
| 2022 | 10 | 437 | 639 | $320,624 | $57,502 |
| 2021 | 11 | 446 | 653 | $332,115 | $67,792 |
| 2020 | 10 | 314 | 485 | $200,381 | $40,637 |
Total Patients
1,637
Total Services
2,418
Medicare Billing
$224,237
Procedure Codes
41
All Medicare Procedures & Services
41 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 86 | 136 | $24,752 | $12,355 | 49.9% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2023 | 50 | 50 | $90,650 | $8,244 | 9.1% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 26 | 56 | $9,576 | $5,582 | 58.3% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Office | 2023 | 46 | 163 | $20,212 | $5,316 | 26.3% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 44 | 44 | $12,276 | $5,241 | 42.7% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 30 | 32 | $10,656 | $4,650 | 43.6% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 65 | 66 | $78,474 | $4,606 | 5.9% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2023 | 55 | 55 | $88,825 | $4,518 | 5.1% |
| 43242 | Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 20 | 21 | $29,274 | $3,981 | 13.6% |
| 45382 | Control of bleeding of upper large bowel using a flexible endoscope | Facility | 2023 | 18 | 18 | $38,160 | $3,813 | 10.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 99 | 161 | $29,302 | $14,083 | 48.1% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 36 | 74 | $12,654 | $6,442 | 50.9% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 35 | 35 | $11,655 | $5,879 | 50.4% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2022 | 49 | 50 | $80,750 | $5,854 | 7.2% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 49 | 49 | $13,671 | $5,763 | 42.2% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2022 | 27 | 28 | $50,764 | $5,058 | 10.0% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 57 | 60 | $71,340 | $4,579 | 6.4% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Office | 2022 | 46 | 140 | $17,360 | $4,415 | 25.4% |
| 43242 | Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 20 | 22 | $30,668 | $4,240 | 13.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 19 | 20 | $2,460 | $1,190 | 48.4% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 94 | 160 | $29,120 | $13,863 | 47.6% |
| 91110 | Imaging of digestive tract done from the inside of the digestive tract | Office | 2021 | 12 | 12 | $21,072 | $9,707 | 46.1% |
| 99204 | New patient outpatient visit, total time 45-59 minutes | Office | 2021 | 54 | 54 | $15,066 | $6,728 | 44.7% |
| 45385 | Removal of polyps or growths in large bowel using an endoscope (colonoscopy) using a mechanical snare | Facility | 2021 | 32 | 32 | $58,016 | $6,641 | 11.4% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2021 | 33 | 72 | $12,312 | $6,362 | 51.7% |
About Dr. David Chung, MD
Dr. David Chung, MD is a Gastroenterology healthcare provider based in Torrance, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 01/27/2006. The National Provider Identifier (NPI) number assigned to this provider is 1851362974.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. David Chung, MD has received a total of $4,681 in payments from pharmaceutical and medical device companies, with $719.22 received in 2024. These payments were reported across 193 transactions from 25 companies. The most common payment nature is "Food and Beverage" ($4,372).
As a Medicare-enrolled provider, Chung has provided services to 1,637 Medicare beneficiaries, totaling 2,418 services with total Medicare billing of $224,237. Data is available for 4 years (2020–2023), covering 41 distinct procedure/service records.
Ad
Practice Information
- Specialty Gastroenterology
- Location Torrance, CA
- Active Since 01/27/2006
- Last Updated 09/26/2024
- Taxonomy Code 207RG0100X
- Entity Type Individual
- NPI Number 1851362974
Products in Payments
- XELJANZ (Drug) $463.09
- RINVOQ (Biological) $377.84
- STELARA (Biological) $248.80
- Fibroscan (Device) $238.25
- ZEPOSIA (Drug) $233.51
- Alinia Tablets 500mg 30 count bottle (Drug) $208.46
- Humira (Biological) $193.66
- GENERAL - BILIARY DEVICES (Device) $153.18
- GENERAL BILIARY DEVICES (Device) $134.04
- ECHOTIP (Device) $128.57
- Da Vinci Surgical System (Device) $127.69
- Sonicision (Device) $121.23
- OCALIVA (Drug) $112.97
- Vemlidy (Drug) $105.58
- SKYRIZI (Biological) $89.79
- GENERAL METAL STENTS GI (Device) $89.60
- GENERAL BILIARY DEVICES (Device) $85.51
- Creon (Drug) $82.78
- DIFICID (Drug) $73.49
- ENTYVIO (Biological) $71.35
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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