Tony Chen, M.D.
NPI 1013335512ActiveIndividual· Urology· Stanford, CA
Urology (M.D.) in Stanford, California, trained at University of California, San Diego School of Medicine (class of 2014). 385 Medicare patients in 2024, $100,632 paid; nearly all of their 510 Part D prescriptions were generic (92%). Boston Scientific Corporation was the largest of 3 companies reporting payments in 2025, $98.52 in all, mostly food and beverage.
Overview
| NPI | 1013335512 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 1, 2014 |
| Last updated in NPPES | Apr 29, 2024 |
| Certified by provider | Apr 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | A166904 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 385 |
|---|---|
| Services billed | 4,420 across 49 procedure codes |
| Paid by Medicare | $100,632 |
Part D prescriptions in 2024
| Prescriptions (claims) | 510 · 1,107 30-day fills |
|---|---|
| Patients | 193 |
| Total drug cost | $45,838 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$98.52 · 3 payments from 3 companies
- 2024$501.11 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $47.09 | 1 |
| Blue Earth Diagnostics | $33.68 | 1 |
| Ambu Inc. | $17.75 | 1 |
What the 2025 payments were for
- Food and Beverage$98.52 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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