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Emergency Medicine

Lance R. Petersen, MD

Works at hospitals in Devils Lake, ND · Anacortes, WA · Jamestown, ND … · North Dakota, Washington

Summary

Lance R. Petersen, MD (Emergency Medicine) is listed by Medicare at 4 hospitals in Devils Lake, ND, Anacortes, WA and Jamestown, ND and other places. NPI 1245303429. 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 Lance R. Petersen, 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
31Years since medical school (graduated 1995)
MaleGender (as listed)
Northwest Emergency Physicians LLCGroup practice

Quick answers

Which hospitals does Lance R. Petersen work at?
Medicare's official clinician data lists Lance R. Petersen at 4 hospitals: CHI St Alexius Health Devils Lake, Island Hospital, Jamestown Regional Medical Center and Whidbeyhealth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lance R. Petersen see patients?
Medicare's clinician data lists 1 practice location in Anacortes, WA. Call before your visit to confirm the address.
What is Lance R. Petersen's specialty?
Medicare lists Emergency Medicine as the primary specialty, and also Family Practice.
Does Lance R. Petersen accept Medicare assignment?
Yes. Medicare's clinician data says Lance R. Petersen 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 Lance R. Petersen?
(360) 299-1300, as listed in official Medicare / NPI Registry data.
What is Lance R. Petersen's NPI number?
1245303429. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lance R. Petersen works

Medicare's Facility Affiliation Data lists Lance R. Petersen 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 Lance R. Petersen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lance R. Petersen 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 Anacortes

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

All emergency medicine doctors in Anacortes →

Clinician information

CredentialMD
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245303429
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