MICHAEL LOUIS DAY M.D.
NPI 1457309361
Emergency Medicine in Eugene, OR

Active since May 04, 2006PECOS Enrolled
1255 HILYARD ST, SACRED HEART MEDICAL CENTER, EUGENE, OR 97401(541) 338-8113 Get Directions Write a Review

NPPES record last updated: April 20, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Michael Louis Day M.d. NPPES

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

MICHAEL LOUIS DAY M.D. (NPI 1457309361) is an individual emergency medicine provider in Eugene, Oregon, licensed in Ohio (35077886D) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457309361
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMICHAEL LOUIS DAYCredential: M.D.
Location Address1255 HILYARD ST, SACRED HEART MEDICAL CENTEREugene, OR 97401
Mailing Address440 Sunshine Acres DrEugene, OR 97401-5706 · (541) 338-8113
Sole ProprietorNo
Enumeration DateMay 4, 2006
Last NPPES UpdateApril 20, 2010
✔ NPI 1457309361 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OH · 35077886D
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1255 HILYARD ST, Eugene, OR 97401

Other Identifiers 3

Medicare UPINH19692
Medicaid2186129OH
Medicare ID-Type UnspecifiedDA4027274

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Louis Day M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

3

Medicare enrollment records show Michael Day reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
1255 HILYARD ST
Eugene, OR 97401
  • Reassigned Medicare billing, Oregon enrollment
  • 58 clinicians in this Medicare group
Critical Access
1515 VILLAGE DR
Cottage Grove, OR 97424
  • Reassigned Medicare billing, Oregon enrollment
  • 113 clinicians in this Medicare group
Critical Access
400 9TH ST
Florence, OR 97439
  • Reassigned Medicare billing, Oregon enrollment
  • 172 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physical Therapist
1255 HILYARD ST
EUGENE, OR 97401
Emergency Medicine
1255 HILYARD ST
EUGENE, OR 97401
Emergency Medicine
1255 HILYARD ST
EUGENE, OR 97401
Clinical Neuropsychologist
1255 HILYARD ST, SACRED HEART MEDICAL CENTER
EUGENE, OR 97401
Radiology (Diagnostic Radiology)
1255 HILYARD ST
EUGENE, OR 97401
Physical Therapist
1255 HILYARD ST, SACRED HEART MEDICAL CENTER
EUGENE, OR 97401
Registered Nurse (Medical-Surgical)
1255 HILYARD ST
EUGENE, OR 97401
Pharmacist
1255 HILYARD ST
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 Michael Day's NPI number?

The NPI number for Michael Day is 1457309361. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Michael Day located?

Michael Day practices at 1255 Hilyard St Sacred Heart Medical Center, Eugene, OR 97401. The listed phone number is (541) 338-8113.

What is Michael Day's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Michael Day enrolled in Medicare?

Yes. Michael Day is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Day's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Day reassigns Medicare benefits to 3 organizations: Eugene Emergency Physicians PC (Eugene, OR), Peacehealth (Cottage Grove, OR) and Peacehealth (Florence, OR). 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 Michael Day'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 Michael Day was last updated on April 20, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.