Total Payments
$900,467
2024 Payments
$196,550
Companies
24
Transactions
969
Medicare Patients
1,227
Medicare Billing
$233,501
Payment Breakdown by Category
Other$328,996 (36.5%)
Education$260,577 (28.9%)
Consulting$224,999 (25.0%)
Travel$61,004 (6.8%)
Food & Beverage$22,691 (2.5%)
Research$2,200 (0.2%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $324,496 | 114 | 36.0% |
| Education | $260,577 | 129 | 28.9% |
| Consulting Fee | $224,999 | 88 | 25.0% |
| Travel and Lodging | $61,004 | 273 | 6.8% |
| Food and Beverage | $22,691 | 363 | 2.5% |
| Honoraria | $4,500 | 1 | 0.5% |
| Unspecified | $2,200 | 1 | 0.2% |
Payments by Type
General
$898,267
968 transactions
Research
$2,200
1 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Olympus Corporation of the Americas | $304,764 | 408 | $0 (2024) |
| Boston Scientific Corporation | $252,293 | 282 | $0 (2024) |
| Covidien LP | $102,695 | 62 | $0 (2020) |
| Olympus America Inc. | $63,308 | 70 | $0 (2021) |
| CapsoVision, Inc. | $58,763 | 8 | $0 (2024) |
| Medtronic, Inc. | $37,722 | 36 | $0 (2024) |
| Olympus Corporation | $17,266 | 16 | $0 (2024) |
| Micro-tech Endoscopy USA, Inc. | $13,904 | 21 | $0 (2024) |
| Lumendi LLC | $12,683 | 18 | $0 (2023) |
| Olympus Winter & Ibe GmbH | $12,053 | 13 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $196,550 | 190 | Olympus Corporation of the Americas ($73,097) |
| 2023 | $162,222 | 218 | Boston Scientific Corporation ($99,184) |
| 2022 | $133,120 | 164 | Boston Scientific Corporation ($64,879) |
| 2021 | $95,984 | 95 | Olympus Corporation of the Americas ($37,592) |
| 2020 | $117,906 | 65 | Covidien LP ($56,711) |
| 2019 | $102,054 | 121 | Olympus Corporation of the Americas ($43,705) |
| 2018 | $57,153 | 75 | Olympus America Inc. ($29,070) |
| 2017 | $35,478 | 41 | Covidien LP ($13,589) |
All Payment Transactions
969 individual payment records from CMS Open Payments — Page 1 of 39
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/30/2024 | CapsoVision, Inc. | CapsoCam Colon (Device) | Consulting Fee | Cash or cash equivalent | $5,047.50 | General |
| Category: Gastroenterology | ||||||
| 12/19/2024 | CapsoVision, Inc. | CapsoCam Colon (Device) | Consulting Fee | Cash or cash equivalent | $10,755.00 | General |
| Category: Gastroenterology | ||||||
| 12/19/2024 | Boston Scientific Corporation | — | Consulting Fee | Cash or cash equivalent | $4,000.00 | General |
| Category: General - Therapies_ENDO | ||||||
| 12/19/2024 | Boston Scientific Corporation | — | Consulting Fee | Cash or cash equivalent | $3,000.00 | General |
| Category: General - Therapies_ENDO | ||||||
| 12/19/2024 | Boston Scientific Corporation | — | Consulting Fee | Cash or cash equivalent | $500.00 | General |
| Category: General - Therapies_ENDO | ||||||
| 12/19/2024 | Boston Scientific Corporation | — | Consulting Fee | Cash or cash equivalent | $500.00 | General |
| Category: General - Therapies_ENDO | ||||||
| 12/19/2024 | Boston Scientific Corporation | — | Travel and Lodging | Cash or cash equivalent | $216.70 | General |
| Category: General - Therapies_ENDO | ||||||
| 12/19/2024 | Boston Scientific Corporation | — | Food and Beverage | Cash or cash equivalent | $46.30 | General |
| Category: General - Therapies_ENDO | ||||||
| 12/19/2024 | Boston Scientific Corporation | — | Travel and Lodging | Cash or cash equivalent | $44.31 | General |
| Category: General - Therapies_ENDO | ||||||
| 12/15/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $166.17 | General |
| Category: Endotherapy | ||||||
| 12/14/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Food and Beverage | In-kind items and services | $23.10 | General |
| Category: Endotherapy | ||||||
| 12/13/2024 | Olympus Corporation of the Americas | EVES EUS ULTRASOUND BRONCHOFIBERVIDEOSCOPE (Device) | Food and Beverage | In-kind items and services | $86.35 | General |
| Category: Gastroenterology | ||||||
| 12/13/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $19.99 | General |
| Category: Endotherapy | ||||||
| 12/13/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $19.03 | General |
| Category: Endotherapy | ||||||
| 12/12/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Food and Beverage | In-kind items and services | $3.88 | General |
| Category: Endotherapy | ||||||
| 12/11/2024 | Micro-tech Endoscopy USA, Inc. | — | Food and Beverage | In-kind items and services | $55.09 | General |
| 11/22/2024 | Boston Scientific Corporation | — | Food and Beverage | In-kind items and services | $193.95 | General |
| 11/21/2024 | Boston Scientific Corporation | — | Travel and Lodging | In-kind items and services | $159.30 | General |
| 11/20/2024 | CapsoVision, Inc. | CapsoCam Colon (Device) | Consulting Fee | Cash or cash equivalent | $12,232.50 | General |
| Category: Gastroenterology | ||||||
| 11/19/2024 | ERBE USA INC | VIO3 APC3 (Device) | Food and Beverage | Cash or cash equivalent | $20.28 | General |
| Category: Gastroenterology | ||||||
| 11/13/2024 | Boston Scientific Corporation | Axios (Device) | Food and Beverage | In-kind items and services | $33.50 | General |
| Category: Axios_ENDO | ||||||
| 11/12/2024 | Boston Scientific Corporation | Axios (Device) | Food and Beverage | In-kind items and services | $32.65 | General |
| Category: Axios_ENDO | ||||||
| 11/11/2024 | Boston Scientific Corporation | — | Travel and Lodging | In-kind items and services | $471.69 | General |
| Category: General - Therapies_ENDO | ||||||
| 11/11/2024 | Boston Scientific Corporation | — | Food and Beverage | In-kind items and services | $41.94 | General |
| Category: General - Therapies_ENDO | ||||||
| 11/07/2024 | Olympus Corporation of the Americas | Single Use Electrosurgical Knife KD-655 (Device), DISPOSABLE DISTAL ATTACHMENT, Olympus | Travel and Lodging | In-kind items and services | $278.67 | General |
| Category: Endotherapy | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| PRODIGY | Medtronic, Inc. | $2,200 | 1 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 11 | 251 | 263 | $519,115 | $42,788 |
| 2022 | 11 | 277 | 296 | $690,876 | $53,612 |
| 2021 | 17 | 416 | 446 | $992,737 | $82,350 |
| 2020 | 14 | 283 | 301 | $388,686 | $54,752 |
Total Patients
1,227
Total Services
1,306
Medicare Billing
$233,501
Procedure Codes
53
All Medicare Procedures & Services
53 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 43497 | Incision of muscle of lower esophagus using an endoscope | Facility | 2023 | 17 | 17 | $55,945 | $12,378 | 22.1% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 45 | 46 | $27,379 | $5,797 | 21.2% |
| 49999 | Other procedure on abdomen | Facility | 2023 | 21 | 23 | $225,763 | $5,627 | 2.5% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 33 | 33 | $21,201 | $4,511 | 21.3% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2023 | 15 | 15 | $42,385 | $3,537 | 8.3% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 27 | 31 | $40,289 | $3,037 | 7.5% |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 24 | 24 | $35,267 | $2,386 | 6.8% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 24 | 25 | $12,606 | $2,043 | 16.2% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 11 | 11 | $8,327 | $1,759 | 21.1% |
| 91040 | Study of esophageal sensation by balloon distension | Facility | 2023 | 22 | 25 | $44,728 | $1,137 | 2.5% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 12 | 13 | $5,225 | $575.28 | 11.0% |
| 43497 | Incision of muscle of lower esophagus using an endoscope | Facility | 2022 | 23 | 23 | $74,313 | $16,935 | 22.8% |
| 49999 | Other procedure on abdomen | Facility | 2022 | 30 | 32 | $331,988 | $12,653 | 3.8% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 34 | 36 | $21,430 | $4,536 | 21.2% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 32 | 32 | $19,378 | $4,510 | 23.3% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 37 | 42 | $64,833 | $3,976 | 6.1% |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 33 | 34 | $50,252 | $3,024 | 6.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 27 | 33 | $19,296 | $2,793 | 14.5% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2022 | 11 | 11 | $31,977 | $2,257 | 7.1% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2022 | 16 | 16 | $38,096 | $1,833 | 4.8% |
| 91040 | Study of esophageal sensation by balloon distension | Facility | 2022 | 22 | 25 | $37,760 | $1,035 | 2.7% |
| G0500 | Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | Facility | 2022 | 12 | 12 | $1,553 | $57.35 | 3.7% |
| 49999 | Abdominal procedure | Facility | 2021 | 54 | 55 | $566,614 | $40,125 | 7.1% |
| 99215 | Established patient outpatient visit, total time 40-54 minutes | Office | 2021 | 52 | 55 | $40,830 | $6,795 | 16.6% |
| 99205 | New patient outpatient visit, total time 60-74 minutes | Office | 2021 | 29 | 29 | $21,616 | $4,588 | 21.2% |
About Dr. Joo Hwang, MD
Dr. Joo Hwang, MD is a Gastroenterology healthcare provider based in Stanford, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/13/2006. The National Provider Identifier (NPI) number assigned to this provider is 1194815043.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Joo Hwang, MD has received a total of $900,467 in payments from pharmaceutical and medical device companies, with $196,550 received in 2024. These payments were reported across 969 transactions from 24 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($324,496).
As a Medicare-enrolled provider, Hwang has provided services to 1,227 Medicare beneficiaries, totaling 1,306 services with total Medicare billing of $233,501. Data is available for 4 years (2020–2023), covering 53 distinct procedure/service records.
Ad
Practice Information
- Specialty Gastroenterology
- Other Specialties Gastroenterology
- Location Stanford, CA
- Active Since 10/13/2006
- Last Updated 04/26/2024
- Taxonomy Code 207RG0100X
- Entity Type Individual
- NPI Number 1194815043
Products in Payments
- Single Use Electrosurgical Knife KD-655 (Device) $109,107
- CapsoCam Colon (Device) $58,763
- Resolution 360 Clip (Device) $50,411
- Olympus EMR & ESD Devices (Device) $47,776
- ORISE (Device) $47,525
- DISPOSABLE DISTAL ATTACHMENT (Device) $46,711
- General - Therapies (Device) $43,497
- Cytosponge (Device) $22,400
- Beacon (Device) $17,344
- EVIS EXERA (Device) $16,496
- VISIGLIDE (Device) $13,972
- Olympus EndoTherapy Accessories (Device) $11,184
- CAPTIVATOR (Device) $10,178
- DiLumen (Device) $10,106
- FUJIFILM (Device) $7,683
- Single Use Repositionable Clip (Device) $7,021
- Barrx (Device) $6,415
- GENERAL THERAPIES (Device) $6,307
- GENERAL - THERAPIES (Device) $6,164
- EMR (Device) $5,947
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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