Victoria Yung
NPI 1750670774ActiveIndividual· Internal Medicine, Gastroenterology· Walnut Creek, CA
Internal Medicine, Gastroenterology with Bass Medical Group, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $303,368 for 467 claims, against $88,744 paid for services in 2024. Janssen Biotech, Inc. was the largest of 12 companies reporting payments in 2025, $1,332 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1750670774 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Mar 30, 2011 |
| Last updated in NPPES | May 10, 2025 |
| Certified by provider | May 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A124473 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 346 |
|---|---|
| Services billed | 747 across 38 procedure codes |
| Paid by Medicare | $88,744 |
Part D prescriptions in 2024
| Prescriptions (claims) | 467 · 842 30-day fills |
|---|---|
| Patients | 211 |
| Total drug cost | $303,368 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$1,332 · 45 payments from 12 companies
- 2024$1,513 · 32 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $370.95 | 14 |
| Abbvie Inc. | $318.02 | 13 |
| Aimmune Therapeutics, Inc. | $179.79 | 3 |
| Mallinckrodt Hospital Products Inc. | $145.08 | 1 |
| Madrigal Pharmaceuticals | $82.97 | 4 |
What the 2025 payments were for
- Food and Beverage$1,332 · 45 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 gastroenterologists in Walnut Creek · All gastroenterologists in California