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

Certified Registered Nurse Anesthetist (CRNA)

Ian S. Cortez, CNA

Works at hospitals in Centralia, WA · Washington

Summary

Ian S. Cortez, CNA is a nurse anesthetist at 1135 116th Ave NE, Suite 570, Bellevue, WA 98004. Phone: (425) 451-7335. Accepts Medicare assignment. In 2024, Ian S. Cortez had 122 Original Medicare patients and 155 services. NPI 1588101398. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 1135 116th Ave NE, Suite 570, Bellevue, WA 98004 · Directions (2 more locations)
  • Phone: (425) 451‑7335
  • Medicare: Accepts Medicare assignment
  • Hospital: Providence Centralia Hospital
  • Group practice: Anesthesia Associates Northwest LLC (+1 more)
  • School: graduated 2016
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ian S. Cortez, 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 Ian S. Cortez accept Medicare assignment?
Yes. Medicare's clinician data says Ian S. Cortez 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.
How many Medicare patients does Ian S. Cortez see?
In 2024, CMS data shows 122 Original Medicare patients and 155 services for Ian S. Cortez. This counts Original Medicare only and measures volume, not quality.
What is Ian S. Cortez's NPI number?
1588101398. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ian S. Cortez, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients122
Services billed to Medicare155
Different services or procedures43
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)17 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol66%
  • Arthritis54%
  • Diabetes33%
  • Chronic kidney disease25%
  • Ischemic heart disease22%

Hospitals where Ian S. Cortez works

Medicare's Facility Affiliation Data lists Ian S. Cortez 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.

  • Providence Centralia HospitalCentralia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500019

Practice locations

Addresses where Ian S. Cortez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ian S. Cortez as a member of these groups (CMS data updated October 2, 2026).

  • Anesthesia Associates Northwest LLC81 clinicians in the group
  • Paceline Anesthesia, PLLC33 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Washington →

Other nurse anesthetists in Bellevue

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

All nurse anesthetists in Bellevue →

Other clinicians in Anesthesia Associates Northwest LLC

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

Clinician information

CredentialCNA
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588101398
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians