WILLIAM RETZ
NPI 1427685080
Surgery - Trauma Surgery in Springfield, OR

Active since March 24, 2020PECOS Enrolled
3355 RIVERBEND DR STE 300, SPRINGFIELD, OR 97477(541) 222-2720(541) 222-8376 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 3, 2026, Apr 16, 2026, May 20, 2020 and 1 more (4 updates tracked since 2020).

About William Retz NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM RETZ (NPI 1427685080) is an individual trauma surgery provider in Springfield, Oregon, licensed in Oregon (MD229478) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rochester, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2020).

NPPES Registry Identity

NPI1427685080
Entity TypeIndividualMale
Primary Taxonomy2086S0127X
Provider Legal NameWILLIAM RETZ
Location Address3355 RIVERBEND DR STE 300Springfield, OR 97477-8800
Mailing Address601 Elmwood AveRochester, NY 14642-0001
Fax(541) 222-8376
Sole ProprietorNo
Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateAugust 3, 20264 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1427685080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Trauma SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0127X
License✔ Licensed in OR · MD229478
Definition
Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.
3355 RIVERBEND DR STE 300, Springfield, OR 97477

Secondary Practice Location 1

Location 1601 Elmwood Avenue Box SurgRochester, NY 14642-0001 · Phone (585) 275-2723

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Retz is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6406314707
PECOS Enrollment IDI20260818000179
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show William Retz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
Hospitalist
3377 RIVERBEND DR
Springfield, OR 97477
  • Reassigned Medicare billing, Oregon enrollment
  • 278 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.

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.

Surgery
3355 RIVERBEND DR STE 300
SPRINGFIELD, OR 97477
Nurse Practitioner (Adult Health)
3355 RIVERBEND DR STE 300
SPRINGFIELD, OR 97477
Physician Assistant (Surgical)
3355 RIVERBEND DR STE 300
SPRINGFIELD, OR 97477
Physician Assistant
3355 RIVERBEND DR STE 300
SPRINGFIELD, OR 97477
Surgery
3355 RIVERBEND DR STE 300
SPRINGFIELD, OR 97477
Surgery
3355 RIVERBEND DR STE 300
SPRINGFIELD, OR 97477
Surgery
3355 RIVERBEND DR STE 300
SPRINGFIELD, OR 97477
Surgery
3355 RIVERBEND DR STE 300
SPRINGFIELD, OR 97477

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 Retz's NPI number?

The NPI number for William Retz is 1427685080. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is William Retz located?

William Retz practices at 3355 Riverbend Dr Ste 300, Springfield, OR 97477. The listed phone number is (541) 222-2720.

What is William Retz's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.

Is William Retz enrolled in Medicare?

Yes. William Retz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Retz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Retz reassigns Medicare benefits to Peacehealth (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 Retz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Retz was last updated on August 3, 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.