Sydney D. Sivertsen, MSW, LICSW
Clinical Social Worker · Everett, WA
Sydney D. Sivertsen, MSW, LICSW is a clinical social worker with a practice address in Everett, Washington, and NPI 1063940070, issued on Jun 3, 2017. Check the license (Washington LW61127740, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sydney D. Sivertsen
- Credential
- MSW, LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LW61127740 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4526 Federal Ave, Everett, WA 98203
- Phone
- (425) 349-6200
- Enumerated
- Jun 3, 2017
- Record last updated
- May 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20240918002354); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 6,382 in Washington → Look up another NPI →
Also registered at 4526 Federal Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tinsae AbiyoCounselor1336965565
- Jemal AbrehaPsychiatric/Mental Health Registered Nurse1891657052
- Victoria Rose AdausCounselor1508412172
- Ruby AdrianPeer Specialist1215676481
- Teyonna Aiken, MS, AAC, CLIN 2Mental Health Counselor1265669428
Verify Sydney D. Sivertsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW61127740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Compass HealthEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sydney D. Sivertsen among 6,382 clinical social worker records in Washington
Sydney D. Sivertsen, MSW, LICSW is one of 6,382 clinical social worker records with a practice address in Washington. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 49% of them.
- NPI issued2017 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 15% of these records are
- Graduated2001 · median 2010 among the 984 with a school on file
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
143 clinical social worker records list a practice address in Everett
They are 143 of the 7,246 NPPES records with a practice address in Everett, and 6,382 clinical social worker records in Washington.
All 6,382 in Washington → Every provider in Everett → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Megan Axley, MSWEverett, WA 982031700901220
- Jessica Bowes, MSWEverett, WA 982031982971438
- Gina ChirichellaEverett, WA 982031972842730
- Tiffaney Coletti, LICSW, PSYDEverett, WA 982031164675468
- Brian Hall, MSW CDPEverett, WA 982031386780823
- Debbie Heslop, M.ED.Everett, WA 982031255513917
- Starr Lehnus, M.S.W.Everett, WA 982031376775551
- Joshua Opatowsky, DSW, LCSW, LICSWEverett, WA 982031801147038
Common questions
What is Sydney D. Sivertsen, MSW, LICSW's NPI number?
Sydney D. Sivertsen, MSW, LICSW's National Provider Identifier (NPI) is 1063940070, issued on Jun 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sydney D. Sivertsen, MSW, LICSW located?
The NPPES record lists a practice address at 4526 Federal Ave, Everett, WA, 98203. Phone: (425) 349-6200. Providers update this record themselves, so call before visiting.
How can I verify Sydney D. Sivertsen, MSW, LICSW's license?
NPPES lists Washington license number LW61127740, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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.