Johanna Warner
Social Worker · Seattle, WA
Johanna Warner is a social worker with a practice address in Seattle, Washington, and NPI 1629912985, issued on Apr 16, 2026. Check the license (Washington SWI.LW.70018212, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Johanna Warner
- Primary taxonomy
- Social Worker 104100000X
- License number
- SWI.LW.70018212 WA
Self-reported in NPPES; status is on the state search - Practice location
- 530 Melrose Ave E, Seattle, WA 98102
- Phone
- (289) 879-5401
- Enumerated
- Apr 16, 2026
- Record last updated
- Apr 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20260522000731); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest social worker records → All 2,141 in Washington → Look up another NPI →
Verify Johanna Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license SWI.LW.70018212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Johanna Warner among 2,141 social worker records in Washington
Johanna Warner is one of 2,141 social worker records with a practice address in Washington. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 96% of them.
- NPI issued2026 · 96% of these records are older, 0% newer
- In a Medicare fileNo · 5% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2020 · median 2014 among the 165 with a school on file
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
468 social worker records list a practice address in Seattle
They are 468 of the 41,956 NPPES records with a practice address in Seattle, and 2,141 social worker records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,141 in Washington → Every provider in Seattle → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Lianne Birk, LSWAICSeattle, WA 981021821804634
- Tessa BruneauSeattle, WA 981021770372963
- Lucia DecostaSeattle, WA 981021619618196
- Bruce Wachtel, LICSWSeattle, WA 981021891890927
- Athena AddamsSeattle, WA 981011235836651
- Angelica Bedrosian, LICSWSeattle, WA 981011609573575
- Yoshimi BellatrixSeattle, WA 981011205544749
- Nyabuony BolSeattle, WA 981011720860794
Common questions
What is Johanna Warner's NPI number?
Johanna Warner's National Provider Identifier (NPI) is 1629912985, issued on Apr 16, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Johanna Warner located?
The NPPES record lists a practice address at 530 Melrose Ave E, Seattle, WA, 98102. Phone: (289) 879-5401. Providers update this record themselves, so call before visiting.
How can I verify Johanna Warner's license?
NPPES lists Washington license number SWI.LW.70018212, 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. 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.