Elizabeth R. O'Neill, MD
Family Medicine Physician · Portland, OR
Elizabeth R. O'Neill, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1346278660, issued on Jun 28, 2006. Check the license (Oregon MD23894, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Elizabeth R. O'Neill
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD23894 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1321 NE 99TH Ave, Portland, OR 97220
- Phone
- (503) 215-4250
- Enumerated
- Jun 28, 2006
- Record last updated
- Oct 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (503) 215-4255
- Medicaid ID
- 227213 OR
- Medicare enrollment
- Enrolled (PECOS I20041213000137); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 1321 NE 99TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahnaz Ahmad, M.D.Internal Medicine Physician1124046727
- Allan Alexander, M.D.Family Medicine Physician1548273022
- Annamarie Bain, FNPFamily Nurse Practitioner1588814172
- Amarprit Bains, MDHospitalist Physician1295939395
- John Barton, M.D.Family Medicine Physician1427263151
- James Bartruff, MDInternal Medicine Physician1790793230
Verify Elizabeth R. O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD23894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average family medicine physician in 2024
2,143 Medicare Part D claims for 162 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 151 claims were for opioids.
Most prescribed
- Atorvastatin Calcium197 claims
- Hydrocodone-Acetaminophen92 claims
- Omeprazole85 claims
- Levothyroxine Sodium81 claims
- Amlodipine-Olmesartan61 claims
- Metformin Hcl50 claims
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.
Bills Medicare through one group practice
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth R. O'Neill among 2,847 family medicine physician records in Oregon
Elizabeth R. O'Neill, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2000 · median 2009 among the 1,671 with a school on file
- Record last updated2020 · 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 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
561 family medicine physician records list a practice address in Portland
They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Heather Beecher, MDPortland, OR 972201558307546
- Rima Chamie, MDPortland, OR 972201316993801
- Jodi Demunter, MDPortland, OR 972201780614727
- Heidi Ferguson, MDPortland, OR 972201306810858
- Thomas Henry, MDPortland, OR 972201427029321
- Keith Kale, D.O.Portland, OR 972201043254378
- Thomas Kasten, M.D.Portland, OR 972201861467805
- Kristin Kocher, MDPortland, OR 972201629004155
Common questions
What is Elizabeth R. O'Neill, MD's NPI number?
Elizabeth R. O'Neill, MD's National Provider Identifier (NPI) is 1346278660, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth R. O'Neill, MD located?
The NPPES record lists a practice address at 1321 NE 99TH Ave, Portland, OR, 97220. Phone: (503) 215-4250. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth R. O'Neill, MD's license?
NPPES lists Oregon license number MD23894, 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 Elizabeth R. O'Neill, MD prescribe under Medicare Part D?
In 2024, Elizabeth R. O'Neill, MD had 2,143 Medicare Part D claims for 162 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.