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Critical Care (Intensivists)

Natalie L. Cobb Ortega, MD

Works at hospitals in Seattle, WA · Washington

Summary

Dr. Natalie L. Cobb Ortega, MD is a critical care doctor at 1550 N 115th St, Seattle, WA 98133. Phone: (206) 364-0500. Accepts Medicare assignment. In 2024, Natalie L. Cobb Ortega had 100 Original Medicare patients and 244 services. NPI 1801209531. 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: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 1550 N 115th St, Seattle, WA 98133 · Directions
  • Phone: (206) 364‑0500
  • Medicare: Accepts Medicare assignment
  • Hospital: Harborview Medical Center
  • Group practice: The Association of University Physicians
  • Medical school: graduated 2014 (12 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Natalie L. Cobb Ortega, 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 Natalie L. Cobb Ortega accept Medicare assignment?
Yes. Medicare's clinician data says Natalie L. Cobb Ortega 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 Natalie L. Cobb Ortega see?
In 2024, CMS data shows 100 Original Medicare patients and 244 services for Natalie L. Cobb Ortega. This counts Original Medicare only and measures volume, not quality.
What is Natalie L. Cobb Ortega's NPI number?
1801209531. 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 Natalie L. Cobb Ortega, 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 patients100
Services billed to Medicare244
Different services or procedures24
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)57 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)41 services
  3. Critical care, first 30-74 minutes (99291)25 services
  4. Test to examine how well the lungs exchange gases (94729)21 services
  5. Test to measure expiratory airflow and volume changes before and after medication administration (94060)15 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 pressure73%
  • High cholesterol60%
  • COPD46%
  • Arthritis40%
  • Heart failure40%
  • Anxiety38%

Hospitals where Natalie L. Cobb Ortega works

Medicare's Facility Affiliation Data lists Natalie L. Cobb Ortega 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.

Practice locations

Addresses where Natalie L. Cobb Ortega is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Natalie L. Cobb Ortega as a member of this group (CMS data updated October 2, 2026).

  • The Association of University Physicians3,535 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Washington →

Other critical care doctors in Seattle

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

All critical care doctors in Seattle →

Other clinicians in The Association of University Physicians

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

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801209531
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