Total Payments
$7,500
2024 Payments
$1,178
Companies
38
Transactions
417
Medicare Patients
5,287
Medicare Billing
$498,458
Payment Breakdown by Category
Food & Beverage$7,447 (99.3%)
Education$53.49 (0.7%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $7,447 | 412 | 99.3% |
| Education | $53.49 | 5 | 0.7% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $1,330 | 72 | $0 (2024) |
| Takeda Pharmaceuticals U.S.A., Inc. | $1,231 | 93 | $0 (2024) |
| Janssen Biotech, Inc. | $752.27 | 51 | $0 (2024) |
| ABBVIE INC. | $683.06 | 39 | $0 (2024) |
| PFIZER INC. | $395.73 | 16 | $0 (2024) |
| NESTLE HEALTHCARE NUTRITION INC. | $379.05 | 17 | $0 (2023) |
| Gilead Sciences, Inc. | $376.90 | 13 | $0 (2024) |
| INTERCEPT PHARMACEUTICALS, INC. | $319.25 | 15 | $0 (2023) |
| AIMMUNE THERAPEUTICS, INC. | $210.17 | 11 | $0 (2024) |
| Daiichi Sankyo Inc. | $176.99 | 11 | $0 (2022) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,178 | 64 | AIMMUNE THERAPEUTICS, INC. ($210.17) |
| 2023 | $1,235 | 70 | Takeda Pharmaceuticals U.S.A., Inc. ($237.00) |
| 2022 | $1,318 | 68 | Salix Pharmaceuticals, a division of Bausch Health US, LLC ($364.29) |
| 2021 | $1,251 | 72 | AbbVie Inc. ($246.39) |
| 2020 | $718.87 | 38 | AbbVie Inc. ($138.75) |
| 2019 | $554.95 | 34 | Salix Pharmaceuticals, a division of Bausch Health US, LLC ($199.88) |
| 2018 | $709.16 | 42 | Salix Pharmaceuticals, a division of Bausch Health US, LLC ($215.10) |
| 2017 | $535.56 | 29 | Valeant Pharmaceuticals North America LLC ($134.26) |
All Payment Transactions
417 individual payment records from CMS Open Payments — Page 1 of 17
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/17/2024 | Ferring Pharmaceuticals Inc. | CLENPIQ (Drug) | Food and Beverage | In-kind items and services | $21.75 | General |
| Category: GASTROENTEROLOGY | ||||||
| 12/16/2024 | PFIZER INC. | XELJANZ (Drug), VELSIPITY | Food and Beverage | In-kind items and services | $29.03 | General |
| Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT | ||||||
| 12/02/2024 | Janssen Biotech, Inc. | TREMFYA (Drug), SIMPONI, SIMPONI ARIA | Food and Beverage | In-kind items and services | $22.53 | General |
| Category: Immunology | ||||||
| 12/02/2024 | Janssen Biotech, Inc. | TREMFYA (Drug), SIMPONI, SIMPONI ARIA | Food and Beverage | In-kind items and services | $4.50 | General |
| Category: Immunology | ||||||
| 11/19/2024 | Madrigal Pharmaceuticals | RESMETIROM (Drug) | Food and Beverage | In-kind items and services | $39.02 | General |
| Category: LIVER DISEASE | ||||||
| 11/14/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $11.48 | General |
| Category: Immunology | ||||||
| 11/06/2024 | Janssen Biotech, Inc. | TREMFYA (Drug), SIMPONI, SIMPONI ARIA | Food and Beverage | In-kind items and services | $28.11 | General |
| Category: Immunology | ||||||
| 11/05/2024 | AIMMUNE THERAPEUTICS, INC. | ZENPEP (Drug) | Food and Beverage | In-kind items and services | $24.71 | General |
| Category: ENDOCRINE PANCREATIC INSUFFICIENCY | ||||||
| 11/04/2024 | PFIZER INC. | XELJANZ (Drug), VELSIPITY | Food and Beverage | In-kind items and services | $19.38 | General |
| Category: GASTROINTESTINAL;INFLAMMATION;OPHTHALMOLOGY;TRANSPLANT | ||||||
| 10/31/2024 | Takeda Pharmaceuticals U.S.A., Inc. | ENTYVIO (Biological) | Food and Beverage | In-kind items and services | $12.26 | General |
| Category: INTERNAL MEDICINE | ||||||
| 10/29/2024 | Takeda Pharmaceuticals U.S.A., Inc. | ENTYVIO (Biological) | Food and Beverage | In-kind items and services | $3.70 | General |
| Category: INTERNAL MEDICINE | ||||||
| 10/28/2024 | Janssen Biotech, Inc. | TREMFYA (Drug), SIMPONI, SIMPONI ARIA | Food and Beverage | In-kind items and services | $9.53 | General |
| Category: Immunology | ||||||
| 10/21/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $14.05 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 10/14/2024 | AIMMUNE THERAPEUTICS, INC. | VOWST (Biological) | Food and Beverage | In-kind items and services | $27.29 | General |
| Category: GI | ||||||
| 10/08/2024 | AIMMUNE THERAPEUTICS, INC. | VOWST (Biological) | Food and Beverage | In-kind items and services | $14.54 | General |
| Category: GI | ||||||
| 10/07/2024 | Lilly USA, LLC | OMVOH (Drug) | Food and Beverage | In-kind items and services | $21.24 | General |
| Category: Immunology | ||||||
| 10/02/2024 | Janssen Biotech, Inc. | TREMFYA (Drug), SIMPONI, SIMPONI ARIA | Food and Beverage | In-kind items and services | $5.90 | General |
| Category: Immunology | ||||||
| 10/01/2024 | Janssen Biotech, Inc. | TREMFYA (Drug), SIMPONI, SIMPONI ARIA | Food and Beverage | In-kind items and services | $9.19 | General |
| Category: Immunology | ||||||
| 09/30/2024 | Madrigal Pharmaceuticals | RESMETIROM (Drug) | Food and Beverage | In-kind items and services | $44.84 | General |
| Category: LIVER DISEASE | ||||||
| 09/23/2024 | AIMMUNE THERAPEUTICS, INC. | VOWST (Biological) | Food and Beverage | In-kind items and services | $24.84 | General |
| Category: GI | ||||||
| 09/17/2024 | ABBVIE INC. | MAVYRET (Drug) | Food and Beverage | In-kind items and services | $18.90 | General |
| Category: VIROLOGY | ||||||
| 09/16/2024 | Takeda Pharmaceuticals U.S.A., Inc. | ENTYVIO (Biological) | Food and Beverage | In-kind items and services | $20.31 | General |
| Category: INTERNAL MEDICINE | ||||||
| 09/11/2024 | AIMMUNE THERAPEUTICS, INC. | VOWST (Biological) | Food and Beverage | In-kind items and services | $21.02 | General |
| Category: GI | ||||||
| 09/09/2024 | ALBIREO PHARMA, INC. | IQIRVO (Drug) | Food and Beverage | In-kind items and services | $21.60 | General |
| Category: Rare Disease | ||||||
| 09/03/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Food and Beverage | In-kind items and services | $22.13 | General |
| Category: GASTROENTEROLOGY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 15 | 1,022 | 1,330 | $396,105 | $95,536 |
| 2022 | 18 | 1,359 | 1,775 | $485,441 | $124,606 |
| 2021 | 19 | 1,606 | 2,042 | $545,104 | $158,092 |
| 2020 | 18 | 1,300 | 1,641 | $432,036 | $120,224 |
Total Patients
5,287
Total Services
6,788
Medicare Billing
$498,458
Procedure Codes
70
All Medicare Procedures & Services
70 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 119 | 173 | $34,703 | $16,986 | 48.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 128 | 128 | $34,944 | $16,475 | 47.1% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Office | 2023 | 191 | 433 | $52,393 | $13,398 | 25.6% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2023 | 62 | 63 | $59,031 | $12,150 | 20.6% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 154 | 156 | $96,720 | $10,737 | 11.1% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2023 | 57 | 57 | $47,652 | $7,306 | 15.3% |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | Office | 2023 | 144 | 145 | $25,230 | $3,175 | 12.6% |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | Facility | 2023 | 20 | 20 | $14,040 | $2,914 | 20.8% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 33 | 33 | $6,006 | $2,579 | 42.9% |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | Office | 2023 | 33 | 36 | $4,680 | $2,518 | 53.8% |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 2023 | 13 | 13 | $9,126 | $2,492 | 27.3% |
| 43249 | Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Facility | 2023 | 16 | 18 | $5,130 | $1,893 | 36.9% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 12 | 15 | $2,550 | $1,398 | 54.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 20 | 20 | $2,900 | $1,331 | 45.9% |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Facility | 2023 | 20 | 20 | $1,000 | $184.14 | 18.4% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 111 | 158 | $28,740 | $16,150 | 56.2% |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | Office | 2022 | 220 | 492 | $59,532 | $15,876 | 26.7% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 205 | 207 | $128,340 | $15,242 | 11.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 94 | 94 | $25,662 | $11,735 | 45.7% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2022 | 56 | 56 | $52,472 | $11,246 | 21.4% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2022 | 65 | 65 | $54,340 | $9,716 | 17.9% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 47 | 99 | $16,830 | $8,587 | 51.0% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 85 | 85 | $15,470 | $6,176 | 39.9% |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 2022 | 26 | 26 | $18,252 | $5,177 | 28.4% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 66 | 80 | $9,928 | $4,739 | 47.7% |
About Dr. Won Yu, M.D
Dr. Won Yu, M.D is a Gastroenterology healthcare provider based in Tustin, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 12/27/2005. The National Provider Identifier (NPI) number assigned to this provider is 1720065303.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Won Yu, M.D has received a total of $7,500 in payments from pharmaceutical and medical device companies, with $1,178 received in 2024. These payments were reported across 417 transactions from 38 companies. The most common payment nature is "Food and Beverage" ($7,447).
As a Medicare-enrolled provider, Yu has provided services to 5,287 Medicare beneficiaries, totaling 6,788 services with total Medicare billing of $498,458. Data is available for 4 years (2020–2023), covering 70 distinct procedure/service records.
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Practice Information
- Specialty Gastroenterology
- Location Tustin, CA
- Active Since 12/27/2005
- Last Updated 09/28/2022
- Taxonomy Code 207RG0100X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1720065303
Products in Payments
- XIFAXAN (Drug) $882.83
- ENTYVIO (Biological) $686.56
- STELARA (Biological) $460.89
- ZENPEP (Drug) $428.52
- XELJANZ (Drug) $331.29
- OCALIVA (Drug) $294.48
- VIBERZI (Drug) $292.46
- TRULANCE (Drug) $274.15
- Amitiza (Drug) $264.29
- VOWST (Biological) $178.20
- INJECTAFER (Drug) $176.99
- LINZESS (Drug) $160.66
- REMICADE (Biological) $160.12
- MOTEGRITY (Drug) $141.85
- TREMFYA (Drug) $131.26
- RELISTOR ORAL (Drug) $126.13
- RYBELSUS (Drug) $125.00
- HUMIRA (Biological) $111.30
- XIFAXANIBSD (Drug) $108.51
- Epclusa (Drug) $107.46
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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.