WILLIAM G. GUTHEIM M.D.
NPI 1346245883
Specialist in Eugene, OR
About William G. Gutheim M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM G. GUTHEIM M.D. (NPI 1346245883) is an individual specialist in Eugene, Oregon, licensed in Oregon (MD24516) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Mckenzie-willamette Medical Center, and is a graduate of Virginia Commonwealth University, School Of Medicine (1991).
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
William G. Gutheim 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.
Medicare Billing Reassignment
Medicare enrollment records show William Gutheim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, OR 97477
- Reassigned Medicare billing, Oregon enrollment
- 11 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 16
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mckenzie-Willamette Medical Center
Acute Care Hospitals · Springfield, ORSamaritan Albany General Hospital
Acute Care Hospitals · Albany, ORMercy Medical Center
Acute Care Hospitals · Roseburg, ORSacred Heart Medical Center - Riverbend
Acute Care Hospitals · Springfield, ORPeace Harbor Medical Center
Critical Access Hospitals · Florence, ORReferred Medical Equipment & Supplies CMS DME claims 9
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.
EUGENE, OR 97401
EUGENE, OR 97401
EUGENE, OR 97401
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 Gutheim's NPI number?
The NPI number for William Gutheim is 1346245883. It was assigned to this individual provider in the NPPES registry on June 20, 2005.
Where is William Gutheim located?
William Gutheim practices at 1200 Hilyard St Ste 470, Eugene, OR 97401. The listed phone number is (541) 485-7137.
What is William Gutheim's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is William Gutheim enrolled in Medicare?
Yes. William Gutheim 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 William Gutheim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Gutheim reassigns Medicare benefits to Eugene Springfield Nephrology Associates, PC (Springfield, OR). 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 William Gutheim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Gutheim accept?
Health plans from Kaiser Permanente, PacificSource Health Plans and Providence Health Plan list William Gutheim 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 Gutheim affiliated with any hospitals?
According to CMS data, William Gutheim is affiliated with Mckenzie-Willamette Medical Center, Samaritan Albany General Hospital, Mercy Medical Center, Sacred Heart Medical Center - Riverbend and Peace Harbor Medical Center.
When was this NPI record last updated?
The NPPES record for William Gutheim was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.