KAREN JEANNE O'NEILL DO
NPI 1003836230
Emergency Medicine in Gresham, OR
About Karen Jeanne O'neill Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN JEANNE O'NEILL DO (NPI 1003836230) is an individual emergency medicine provider in Gresham, Oregon, licensed in Oregon (DO23147) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen Jeanne O'neill Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen O'neill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mt Hood, OR 97041
- Reassigned Medicare billing, Oregon enrollment
- Medicare enrollment name: Providence Health & Services Oregon
- 267 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 97030 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.
GRESHAM, OR 97030
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 Karen O'neill's NPI number?
The NPI number for Karen O'neill is 1003836230. It was assigned to this individual provider in the NPPES registry on July 20, 2006.
Where is Karen O'neill located?
Karen O'neill practices at 24800 SE Stark St, Gresham, OR 97030. The listed phone number is (503) 674-1400.
What is Karen O'neill's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Karen O'neill enrolled in Medicare?
Yes. Karen O'neill is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen O'neill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen O'neill reassigns Medicare benefits to Providence Hood River Memorial Hospital (Mt Hood, 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 Karen O'neill'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 Karen O'neill was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Karen Jeanne O'neill, DO · NPI 1003836230
Emergency Medicine physician in Gresham, Oregon. Individual provider, active in the CMS NPPES registry since July 20, 2006.
## Identity
- **NPI:** 1003836230 (Entity type: Individual)
- **Enumerated:** July 20, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** DO23147 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 24800 SE STARK ST, Gresham, OR 97030-3378
- **Phone:** (503) 674-1400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Providence Hood River Memorial Hospital (NPI 1437355955, Mt Hood, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN F02509; Medicare ID-Type Unspecified 110951 (OR); Medicaid 287408 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1003836230) · Data from the CMS NPPES public registry.