DR. SARA B MOSTAD MD, PHD
NPI 1346279338
Internal Medicine - Infectious Disease in Bellingham, WA
About Dr. Sara B Mostad Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARA B MOSTAD MD, PHD (NPI 1346279338) is an individual infectious disease provider in Bellingham, Washington, licensed in Washington (MD00041439) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and is a graduate of University Of Washington School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Sara B Mostad Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Sara Mostad reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bellingham, WA 98225
- Reassigned Medicare billing, Washington enrollment
- 390 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph Hospital
Acute Care Hospitals · Bellingham, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BELLINGHAM, WA 98225
BELLINGHAM, WA 98225
BELLINGHAM, WA 98225
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sara Mostad's NPI number?
The NPI number for Sara Mostad is 1346279338. It was assigned to this individual provider in the NPPES registry on July 2, 2006.
Where is Sara Mostad located?
Sara Mostad practices at 410 Birchwood Ave Suite 201, Bellingham, WA 98225. The listed phone number is (360) 752-9919.
What is Sara Mostad's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Sara Mostad enrolled in Medicare?
Yes. Sara Mostad is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Sara Mostad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sara Mostad reassigns Medicare benefits to Peacehealth (Bellingham, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sara Mostad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sara Mostad accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Sara Mostad as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sara Mostad affiliated with any hospitals?
According to CMS data, Sara Mostad is affiliated with St Joseph Hospital.
When was this NPI record last updated?
The NPPES record for Sara Mostad was last updated on August 4, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Sara B Mostad, MD, PHD · NPI 1346279338
Infectious Disease physician in Bellingham, Washington. Individual provider, active in the CMS NPPES registry since July 2, 2006.
## Identity
- **NPI:** 1346279338 (Entity type: Individual)
- **Enumerated:** July 2, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD00041439 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 410 BIRCHWOOD AVE, SUITE 201, Bellingham, WA 98225-1783
- **Phone:** (360) 752-9919 · **Fax:** (360) 752-1647
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Peacehealth (NPI 1356309553, Bellingham, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** August 4, 2015
- **Other identifiers:** Medicare UPIN H82972 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1346279338) · Data from the CMS NPPES public registry.