Irene Koolwijk, M.D.
NPI 1518164706ActiveIndividual· Pediatrics, Developmental - Behavioral Pediatrics· Los Angeles, CA
Pediatrics, Developmental - Behavioral Pediatrics (M.D.) in Los Angeles, California, licensed in CA, with an NPI issued in June 2007. Enrolled in Medicare as practitioner - pediatric medicine. Collegium Pharmaceutical, Inc. reported $22.50 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1518164706 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2007 |
| Last updated in NPPES | Apr 26, 2021 |
| Certified by provider | Apr 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Developmental - Behavioral Pediatrics Primary | 2080P0006X | A121627 | CA |
| Pediatrics | 208000000X | A121627 | CA |
| Pediatrics, Neurodevelopmental Disabilities | 2080P0008X | A121627 | 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 - Pediatric Medicine (CA) |
|---|
Industry payments (Open Payments)
- 2025$22.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Collegium Pharmaceutical, Inc. | $22.50 | 1 |
What the 2025 payments were for
- Food and Beverage$22.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Pediatrics, Developmental - Behavioral Pediatrics providers in Los Angeles
- 1326561630
- 1356560767
- 1902433063
- 1861758005
- 1942838271
- 1760845671
- 1831441153
- 1447714217
- 1588617559
- 1659597193
- 1427580067
- 1558608331
All Pediatrics, Developmental - Behavioral Pediatrics providers in California →