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Anesthesiology

William A. Terracciano, MD

Works at hospitals in Burien, WA · Washington

Summary

Dr. William A. Terracciano, MD is an anesthesiologist at 16251 Sylvester Rd SW, Burien, WA 98166. Phone: (206) 244-9970. Accepts Medicare assignment. NPI 1760051221. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 16251 Sylvester Rd SW, Burien, WA 98166 · Directions
  • Phone: (206) 244‑9970
  • Medicare: Accepts Medicare assignment
  • Hospital: Highline Medical Center
  • Group practice: Pacific Anesthesia PC
  • Medical school: Louisiana State University School Of Medicine In Shreveport · graduated 2021 (5 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William A. Terracciano, 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 William A. Terracciano accept Medicare assignment?
Yes. Medicare's clinician data says William A. Terracciano 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 William A. Terracciano's NPI number?
1760051221. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William A. Terracciano works

Medicare's Facility Affiliation Data lists William A. Terracciano at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Highline Medical CenterBurien, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500011

Practice locations

Addresses where William A. Terracciano is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists William A. Terracciano as a member of this group (CMS data updated October 2, 2026).

  • Pacific Anesthesia PC90 clinicians in the group

Specialties

Find other Anesthesiology doctors in Washington →

Other anesthesiologists in Burien

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

All anesthesiologists in Burien →

Other clinicians in Pacific Anesthesia PC

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

Clinician information

CredentialMD
Medical schoolLouisiana State University School Of Medicine In Shreveport
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760051221
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians