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Emergency Medicine

Jason J. Oost, MD

Works at hospitals in Friday Harbor, WA · Bellingham, WA · Washington

Summary

Jason J. Oost, MD (Emergency Medicine) is listed by Medicare at 2 hospitals in Friday Harbor, WA and Bellingham, WA. NPI 1689963852. 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 Jason J. Oost, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
University Of Wisconsin School Of MedicineMedical school
MaleGender (as listed)
Northwest Emergency Physicians LLCGroup practice

Quick answers

Which hospitals does Jason J. Oost work at?
Medicare's official clinician data lists Jason J. Oost at 2 hospitals: PeaceHealth Peace Island Medical Center and PeaceHealth St Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jason J. Oost see patients?
Medicare's clinician data lists 1 practice location in Bellingham, WA. Call before your visit to confirm the address.
What is Jason J. Oost's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Jason J. Oost accept Medicare assignment?
Yes. Medicare's clinician data says Jason J. Oost 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 Jason J. Oost?
(360) 734-5400, as listed in official Medicare / NPI Registry data.
What is Jason J. Oost's NPI number?
1689963852. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jason J. Oost works

Medicare's Facility Affiliation Data lists Jason J. Oost 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 Jason J. Oost is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jason J. Oost as a member of this group (CMS data updated 2026-10-02).

  • Northwest Emergency Physicians LLC271 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Washington →

Other emergency medicine doctors in Bellingham

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

All emergency medicine doctors in Bellingham →

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689963852
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