Antonio Mejia Gancayco, M.D.
NPI 1104843960ActiveIndividual· Specialist· Anaheim, CA
Specialist (M.D.) in Anaheim, California, licensed in CA, with an NPI issued in July 2006. Kowa Pharmaceuticals America, Inc. was the largest of 4 companies reporting payments in 2025, $204.91 in all, mostly food and beverage.
Overview
| NPI | 1104843960 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Jan 20, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | A50208 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$204.91 · 9 payments from 4 companies
- 2024$167.72 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kowa Pharmaceuticals America, Inc. | $69.76 | 4 |
| Glaxosmithkline, LLC. | $60.66 | 2 |
| Merck Sharp & Dohme LLC | $45.83 | 2 |
| Pfizer Inc. | $28.66 | 1 |
What the 2025 payments were for
- Food and Beverage$204.91 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Specialist providers in Anaheim
- 1073628657
- 1235211194
- 1386624526
- 1508978909
- 1568449965
- 1720070527
- 1740286384
- 1861425845
- 1922004662
- 1205802618
- 1194786426
- 1306835947
All 100 Specialist providers in Anaheim · All Specialist providers in California