Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Clinical Social Worker

Sandie J. Leistiko, CSW

Sees patients in Seattle, WA · Washington

Summary

Sandie J. Leistiko, CSW is a clinical social worker at 1200 12th Ave S, Seattle, WA 98144. Phone: (206) 326-2400. Accepts Medicare assignment. NPI 1336201730. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical social worker
  • Address: 1200 12th Ave S, Seattle, WA 98144 · Directions
  • Phone: (206) 326‑2400
  • Medicare: Accepts Medicare assignment
  • Group practice: Pacmed Clinics
  • School: graduated 2004
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Sandie J. Leistiko, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sandie J. Leistiko accept Medicare assignment?
Yes. Medicare's clinician data says Sandie J. Leistiko accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Sandie J. Leistiko's NPI number?
1336201730. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sandie J. Leistiko is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sandie J. Leistiko as a member of this group (CMS data updated October 2, 2026).

  • Pacmed Clinics209 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, Washington →

Other clinical social workers in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

All clinical social workers in Seattle →

Other clinicians in Pacmed Clinics

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialCSW
Graduation year2004
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1336201730
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians