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Hospitalist

Cosmas Okaru, MD

Works at hospitals in Vancouver, WA · Washington

Summary

Cosmas Okaru, MD (Hospitalist) is listed by Medicare at 1 hospital in Vancouver, WA. NPI 1346668548. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Cosmas Okaru, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

HospitalistPrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
MaleGender (as listed)
Kaiser Foundation Health Plan of the NorthwestGroup practice

Quick answers

Which hospitals does Cosmas Okaru work at?
Medicare's official clinician data lists Cosmas Okaru at 1 hospital: PeaceHealth Southwest Medical Cente. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Cosmas Okaru see patients?
Medicare's clinician data lists 1 practice location in Vancouver, WA. Call before your visit to confirm the address.
What is Cosmas Okaru's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Cosmas Okaru accept Medicare assignment?
Yes. Medicare's clinician data says Cosmas Okaru accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Cosmas Okaru?
(800) 813-2000, as listed in official Medicare / NPI Registry data.
What is Cosmas Okaru's NPI number?
1346668548. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Cosmas Okaru works

Medicare's Facility Affiliation Data lists Cosmas Okaru at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Cosmas Okaru is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Cosmas Okaru as a member of this group (CMS data updated 2026-10-02).

  • Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group

Specialties

Find other Hospitalist doctors in Washington →

Other hospitalists in Vancouver

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

All hospitalists in Vancouver →

Clinician information

CredentialMD
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346668548
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians