DR. WILLIAM B GUNDERSON IV MD
NPI 1205151990
Internal Medicine in Friday Harbor, WA
About Dr. William B Gunderson Iv Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM B GUNDERSON IV MD (NPI 1205151990) is an individual internal medicine provider in Friday Harbor, Washington, licensed in Washington (MD60476325) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Island Hospital, and maintains a secondary practice location in Portland.
NPPES Registry Identity
Specialties & Licenses 2
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Secondary Practice Location 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 B Gunderson Iv Md 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Island Hospital
Acute Care Hospitals · Anacortes, WASt Joseph Hospital
Acute Care Hospitals · Bellingham, WAPeacehealth United General Medical Center
Critical Access Hospitals · Sedro Woolley, WAPeacehealth Peace Island Medical Center
Critical Access Hospitals · Friday Harbor, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98250 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 8
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 18
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 Gunderson's NPI number?
The NPI number for William Gunderson is 1205151990. It was assigned to this individual provider in the NPPES registry on April 6, 2010.
Where is William Gunderson located?
William Gunderson practices at 1117 Spring St, Friday Harbor, WA 98250. The listed phone number is (360) 378-2141.
What is William Gunderson's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is William Gunderson enrolled in Medicare?
Yes. William Gunderson 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 Gunderson accept?
Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list William Gunderson 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 William Gunderson affiliated with any hospitals?
According to CMS data, William Gunderson is affiliated with Island Hospital, St Joseph Hospital, Peacehealth United General Medical Center and Peacehealth Peace Island Medical Center.
When was this NPI record last updated?
The NPPES record for William Gunderson was last updated on July 30, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.