ELLEN JEAN DAVIS MD
NPI 1376734368
Ophthalmology in Portland, OR
About Ellen Jean Davis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN JEAN DAVIS MD (NPI 1376734368) is an individual ophthalmology provider in Portland, Oregon, licensed in Oregon (MD154086) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Oregon Health Sciences University School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
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
Ellen Jean Davis 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.
Medicare Billing Reassignment
Medicare enrollment records show Ellen Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97201
- Reassigned Medicare billing, Oregon enrollment
- 2,212 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 13
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Ellen Davis's NPI number?
The NPI number for Ellen Davis is 1376734368. It was assigned to this individual provider in the NPPES registry on August 6, 2007.
Where is Ellen Davis located?
Ellen Davis practices at 3303 S Bond Ave, Portland, OR 97239. The listed phone number is (503) 494-3000.
What is Ellen Davis's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Ellen Davis enrolled in Medicare?
Yes. Ellen Davis 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 Ellen Davis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Davis reassigns Medicare benefits to University Professional Services (Portland, 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 Ellen Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ellen Davis accept?
Health plans from Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Ellen Davis 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 Ellen Davis affiliated with any hospitals?
According to CMS data, Ellen Davis is affiliated with Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Ellen Davis was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.