DR. WILLIAM HOWARD ANDERSON M.D.
NPI 1629031752
Allergy & Immunology in Bellingham, WA
About Dr. William Howard Anderson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM HOWARD ANDERSON M.D. (NPI 1629031752) is an individual allergy & immunology provider in Bellingham, Washington, licensed in Washington (MD00031780) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Oregon Health Sciences University School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. William Howard Anderson M.d. 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.
Areas of Expertise CMS Part B claims 9
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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
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 William Anderson's NPI number?
The NPI number for William Anderson is 1629031752. It was assigned to this individual provider in the NPPES registry on April 10, 2006.
Where is William Anderson located?
William Anderson practices at 3130 Ellis St, Bellingham, WA 98225. The listed phone number is (425) 339-5412.
What is William Anderson's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is William Anderson enrolled in Medicare?
Yes. William Anderson 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.
What insurance does William Anderson accept?
Health plans from PacificSource Health Plans list William Anderson 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.
When was this NPI record last updated?
The NPPES record for William Anderson was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.