NPPES file of Aug 9, 2026

Derby Rousseau, DNP

Psychiatric/Mental Health Nurse Practitioner · Everett, WA

Derby Rousseau, DNP is a psychiatric/mental health nurse practitioner with a practice address in Everett, Washington, and NPI 1588278154, issued on Sep 1, 2020. Check the license (Washington 61098690, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588278154
Name
Derby Rousseau
Credential
DNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
61098690 WA
Self-reported in NPPES; status is on the state search
Practice location
811 Madison St, Everett, WA 98203
Phone
(425) 212-4200
Enumerated
Sep 1, 2020
Record last updated
Aug 1, 2022
Medicare enrollment
Enrolled (PECOS I20210111000668); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 811 Madison St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zainab AbdPeer Specialist1578031662
  2. Peimaneh AbdolhosseiniPsychiatric/Mental Health Nurse Practitioner1760246367
  3. Megan Adams, AAC, CDPTCounselor1467999391
  4. Trey AdamsCounselor1720534209
  5. Adjoavi AmevoMental Health Counselor1457826786
  6. Sharron Anderson, MSWMental Health Counselor1275195075

Verify Derby Rousseau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license 61098690
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

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2.5 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024

2,273 Medicare Part D claims for 54 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Derby Rousseau2,273
  2. Specialty average906

Most prescribed

  1. Trazodone Hcl210 claims
  2. Olanzapine176 claims
  3. Divalproex Sodium160 claims
  4. Risperidone159 claims
  5. Clonazepam126 claims
  6. Sertraline Hcl126 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Mindful Therapy Group PCMountlake Terrace, WA
  2. Sunrise Services IncMount Vernon, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Derby Rousseau among 1,875 psychiatric/mental health nurse practitioner records in Washington

Derby Rousseau, DNP is one of 1,875 psychiatric/mental health nurse practitioner records with a practice address in Washington. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 58% of them.

  • NPI issued2020 · 58% of these records are older, 36% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2020 · median 2020 among the 904 with a school on file
  • Record last updated2022 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

109 psychiatric/mental health nurse practitioner records list a practice address in Everett

They are 109 of the 7,246 NPPES records with a practice address in Everett, and 1,875 psychiatric/mental health nurse practitioner records in Washington.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Catherine Baum, ARNPEverett, WA 982031629195524
  2. Linda Ciaramitaro, ARNPEverett, WA 982031689619421
  3. Amy Downs, NPEverett, WA 982031912272790
  4. Kate Hume, ARNPEverett, WA 982031053399923
  5. Ebrima Jatta, ARNPEverett, WA 982031205134210
  6. Arthur Kearney, NPEverett, WA 982031437267259
  7. Kathleen Laswell, ARNPEverett, WA 982031427399237
  8. Kristine McMurray, ARNPEverett, WA 982031073820288

Common questions

What is Derby Rousseau, DNP's NPI number?

Derby Rousseau, DNP's National Provider Identifier (NPI) is 1588278154, issued on Sep 1, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Derby Rousseau, DNP located?

The NPPES record lists a practice address at 811 Madison St, Everett, WA, 98203. Phone: (425) 212-4200. Providers update this record themselves, so call before visiting.

How can I verify Derby Rousseau, DNP's license?

NPPES lists Washington license number 61098690, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Derby Rousseau, DNP prescribe under Medicare Part D?

In 2024, Derby Rousseau, DNP had 2,273 Medicare Part D claims for 54 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.