Karen Jeanne O'Neill, DO
Emergency Medicine Physician · Gresham, OR
Karen Jeanne O'Neill, DO is an emergency medicine physician with a practice address in Gresham, Oregon, and NPI 1003836230, issued on Jul 20, 2006. Check the license (Oregon DO23147, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Jeanne O'Neill
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- DO23147 OR
Self-reported in NPPES; status is on the state search - Practice location
- 24800 SE Stark St, Gresham, OR 97030
- Phone
- (503) 674-1400
- Enumerated
- Jul 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 287408 OR
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
Also registered at 24800 SE Stark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Acton, MDInternal Medicine Physician1861452765
- Stacia Akers, PTPhysical Therapist1083775845
- Deborah Alexander, MDInternal Medicine Physician1255369559
- Nicholas Beach, D.O.Internal Medicine Physician1568805786
- Jason Bell, MDEmergency Medicine Physician1265454086
- Daniel BergerEmergency Medicine Physician1073539359
Verify Karen Jeanne O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO23147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average emergency medicine physician in 2024
24 Medicare Part D claims for 20 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Karen Jeanne O'Neill among 1,079 emergency medicine physician records in Oregon
Karen Jeanne O'Neill, DO is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Oregon
There are 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Gresham → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jason Bell, MDGresham, OR 970301265454086
- Daniel BergerGresham, OR 970301073539359
- Joel Brenner, MDGresham, OR 970301265451033
- Ryan Brevard, MDGresham, OR 970301366468688
- Philip Chadwick, MDGresham, OR 970301861430738
- Nancy Karsten, MDGresham, OR 970301346266525
- Jordan Laub, MDGresham, OR 970301417973603
- Kelly Leaf, MDGresham, OR 970301023071016
Common questions
What is Karen Jeanne O'Neill, DO's NPI number?
Karen Jeanne O'Neill, DO's National Provider Identifier (NPI) is 1003836230, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Jeanne O'Neill, DO located?
The NPPES record lists a practice address at 24800 SE Stark St, Gresham, OR, 97030. Phone: (503) 674-1400. Providers update this record themselves, so call before visiting.
How can I verify Karen Jeanne O'Neill, DO's license?
NPPES lists Oregon license number DO23147, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Jeanne O'Neill, DO prescribe under Medicare Part D?
In 2024, Karen Jeanne O'Neill, DO had 24 Medicare Part D claims for 20 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Karen Jeanne O'Neill, DO's MIPS final score?
The 2023 MIPS final score is 94.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.