Matthew Ralph De Haan, PSY.D.
NPI 1578870648ActiveIndividual· Psychologist, Clinical· Mill Creek, WA
Psychologist, Clinical (PSY.D.) in Mill Creek, Washington, licensed in WA, with an NPI issued in September 2010.
Overview
| NPI | 1578870648 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PSY.D. |
| Sole proprietor | No |
| NPI issued | Sep 9, 2010 |
| Last updated in NPPES | Jun 2, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist, Clinical Primary | 103TC0700X | 60337257 | WA |
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 |
|---|
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