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

Internal Medicine

Sara B. Mostad, MD

Works at hospitals in Bellingham, WA · Washington

Summary

Sara B. Mostad, MD (Internal Medicine) is listed by Medicare at 1 hospital in Bellingham, WA. NPI 1346279338. 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 Sara B. Mostad, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
University Of Washington School Of MedicineMedical school
FemaleGender (as listed)
PeaceHealthGroup practice

Quick answers

Which hospitals does Sara B. Mostad work at?
Medicare's official clinician data lists Sara B. Mostad at 1 hospital: PeaceHealth St Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sara B. Mostad see patients?
Medicare's clinician data lists 2 practice locations, including Bellingham, WA. Call before your visit to confirm the address.
What is Sara B. Mostad's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Sara B. Mostad accept Medicare assignment?
Yes. Medicare's clinician data says Sara B. Mostad 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 Sara B. Mostad?
(360) 788-9373, as listed in official Medicare / NPI Registry data.
What is Sara B. Mostad's NPI number?
1346279338. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sara B. Mostad works

Medicare's Facility Affiliation Data lists Sara B. Mostad 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 Sara B. Mostad is enrolled with Medicare (CMS data updated 2026-10-02).

  • 2901 Sqaulicum PkwyBellingham, WA 98225 (360) 788‑9373
  • 3015 Squalicum PkwyBellingham, WA 98225

Group practices

Medicare enrollment lists Sara B. Mostad as a member of this group (CMS data updated 2026-10-02).

  • PeaceHealth298 clinicians in the group

Specialties

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Bellingham

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

All internal medicine doctors in Bellingham →

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year1999
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346279338
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