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JOHANNA WARNER
NPI 1629912985
Social Worker in Seattle, WA

Active since April 16, 2026PECOS Enrolled
530 MELROSE AVE E, SEATTLE, WA 98102(289) 879-5401 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Johanna Warner NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHANNA WARNER (NPI 1629912985) is an individual social worker in Seattle, Washington, licensed in Washington (SWI.LW.70018212) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1629912985
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameJOHANNA WARNER
Location Address530 MELROSE AVE ESeattle, WA 98102-4772
Mailing Address530 Melrose Ave ESeattle, WA 98102-4772
Phone(289) 879-5401
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateApril 16, 2026
Last NPPES UpdateApril 17, 2026
NPPES CertifiedApril 17, 2026
✔ NPI 1629912985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in WA · SWI.LW.70018212
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
530 MELROSE AVE E, Seattle, WA 98102
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Johanna Warner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5799255477
PECOS Enrollment IDI20260522000731
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Johanna Warner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Seattle Children's Hospital
3.4 mi
Specialist
4800 SAND POINT WAY NE
Seattle, WA 98105
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: Seattle Childrens Hospital
  • 912 clinicians in this Medicare group
NPI 1003319500 (206) 987-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Johanna Warner's NPI number?

The NPI number for Johanna Warner is 1629912985. It was assigned to this individual provider in the NPPES registry on April 16, 2026.

Where is Johanna Warner located?

Johanna Warner practices at 530 Melrose Ave E, Seattle, WA 98102. The listed phone number is (289) 879-5401.

What is Johanna Warner's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Johanna Warner enrolled in Medicare?

Yes. Johanna Warner is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Johanna Warner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Johanna Warner reassigns Medicare benefits to Seattle Children's Hospital (Seattle, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Johanna Warner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Johanna Warner accept?

Health plans from Ambetter Health list Johanna Warner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Johanna Warner was last updated on April 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.