John S. Tran, M.D.
NPI 1477780864ActiveIndividual· Pediatrics, Neonatal-Perinatal Medicine· Orange, CA
Pediatrics, Neonatal-Perinatal Medicine (M.D.) in Orange, California, licensed in CA, with an NPI issued in June 2009. Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $67.94 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1477780864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 12, 2009 |
| Last updated in NPPES | Sep 8, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Neonatal-Perinatal Medicine Primary | 2080N0001X | A117003 | CA |
| Pediatrics | 208000000X | A117003 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | John Tran · Social Worker | 1128b1 | Dec 19, 2024 | Lompoc, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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$67.94 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $29.88 | 1 |
| Glaxosmithkline, LLC. | $19.63 | 1 |
| Medtronic, Inc. | $18.43 | 1 |
What the 2025 payments were for
- Food and Beverage$67.94 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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