Tammy S. Chi, M.D.
NPI 1003945585ActiveIndividual· Pediatrics· Thousand Oaks, CA
Pediatrics (M.D.) in Thousand Oaks, California, licensed in CA, with an NPI issued in March 2007. Alk-Abello, Inc was the largest of 2 companies reporting payments in 2025, $55.03 in all, mostly food and beverage.
Overview
| NPI | 1003945585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 2, 2007 |
| Last updated in NPPES | Oct 14, 2023 |
| Certified by provider | Oct 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | G84669 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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$55.03 · 3 payments from 2 companies
- 2024$94.82 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alk-Abello, Inc | $39.91 | 2 |
| Merck Sharp & Dohme LLC | $15.12 | 1 |
What the 2025 payments were for
- Food and Beverage$55.03 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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