Derby Rousseau, DNP
NPI 1588278154 · Psychiatric/Mental Health Nurse Practitioner · Everett, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derby Rousseau, DNP is a Psychiatric/Mental Health Nurse Practitioner provider in Everett, WA (NPI 1588278154).
Provider details
- NPI number
- 1588278154
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 61098690 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 210 | 22 |
| Olanzapine | 176 | 17 |
| Divalproex Sodium | 160 | 13 |
| Risperidone | 159 | — |
| Sertraline Hcl | 126 | 11 |
| Clonazepam | 126 | — |
| Mirtazapine | 120 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-09-01
- Last updated
- 2022-08-01
- Certified
- 2022-08-01
Frequently asked questions
- What is Derby Rousseau's NPI number?
- Derby Rousseau's National Provider Identifier (NPI) is 1588278154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derby Rousseau's specialty?
- Derby Rousseau is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derby Rousseau located?
- Derby Rousseau's practice location on file with NPPES is 811 Madison St, Everett, WA 98203-4543.
- What is Derby Rousseau's phone number?
- The practice phone number listed in the NPPES registry for Derby Rousseau is (425) 212-4200.
- Does Derby Rousseau accept Medicare?
- Derby Rousseau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derby Rousseau's NPI active?
- Yes — Derby Rousseau's NPI (1588278154) is active in the NPPES registry as of the last update on 2022-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.