Walter S. Tjoa, MD
NPI 1801955463ActiveIndividual· Dermatology· Fontana, CA
Dermatology (MD) in Fontana, California, licensed in CA, with an NPI issued in December 2006. Enrolled in Medicare as practitioner - dermatology. Leo Pharma Inc. reported $16.00 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1801955463 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 8, 2006 |
| Last updated in NPPES | Nov 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | C42142 | 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 - Dermatology (CA) |
|---|
Industry payments (Open Payments)
- 2024$16.00 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Leo Pharma Inc. | $16.00 | 1 |
What the 2024 payments were for
- Food and Beverage$16.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other dermatologists in Fontana
- 1700220902
- 1255408266
- 1366400574
- 1023189081
- 1366964678
- 1376610246
- 1831258417
- 1548316144
- 1598824153
- 1730820622