ALEX ADAMS WERTHEIMER D.O.
NPI 1427440221
Emergency Medicine in Bellingham, WA
About Alex Adams Wertheimer D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX ADAMS WERTHEIMER D.O. (NPI 1427440221) is an individual emergency medicine provider in Bellingham, Washington, licensed in Washington (61124751) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
Alex Adams Wertheimer D.o. 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 Reassignments
4Medicare enrollment records show Alex Wertheimer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bellingham, WA 98225
- Reassigned Medicare billing, Washington enrollment
- 107 clinicians in this Medicare group
Arlington, WA 98223
- Reassigned Medicare billing, Washington enrollment
- 519 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- 95 clinicians in this Medicare group
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 13,921 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 14
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Skagit Valley Hospital
Acute Care Hospitals · Mount Vernon, WACascade Valley Hospital
Acute Care Hospitals · Arlington, 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Alex Wertheimer's NPI number?
The NPI number for Alex Wertheimer is 1427440221. It was assigned to this individual provider in the NPPES registry on March 3, 2015.
Where is Alex Wertheimer located?
Alex Wertheimer practices at 709 W Orchard Dr Ste 4, Bellingham, WA 98225. The listed phone number is (360) 318-8800.
What is Alex Wertheimer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alex Wertheimer enrolled in Medicare?
Yes. Alex Wertheimer 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 organizations bill Medicare for Alex Wertheimer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Wertheimer reassigns Medicare benefits to 4 organizations: Family Care Network PLLC (Bellingham, WA), Northwest Emergency Physicians LLC (Arlington, WA), North Sound Emergency Medicine PC (Everett, WA) and Southern California Permanente Medical Group (Lancaster, CA). Each 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 Alex Wertheimer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Wertheimer accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Alex Wertheimer 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 Alex Wertheimer affiliated with any hospitals?
According to CMS data, Alex Wertheimer is affiliated with Skagit Valley Hospital and Cascade Valley Hospital.
When was this NPI record last updated?
The NPPES record for Alex Wertheimer was last updated on November 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.