Aoife O'Sullivan, MD
Family Medicine Physician · Portland, OR
Aoife O'Sullivan, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1073657003, issued on Feb 15, 2007. Check the license (Oregon MD174903, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aoife O'Sullivan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD174903 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9555 SW Barnes RD Ste 255, Portland, OR 97225
- Phone
- (503) 908-1590
- Enumerated
- Feb 15, 2007
- Record last updated
- Aug 11, 2023
- Fax
- (503) 723-2862
- Medicaid IDs
- 413344700 MD
451601000 MD - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 9555 SW Barnes RD Ste 255
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Annie Mack, MDPediatrics Physician1932125184
Verify Aoife O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD174903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
529 Medicare Part D claims for 119 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium36 claims
- Progesterone31 claims
- Estradiol25 claims
- Atorvastatin Calcium22 claims
- Ozempic17 claims
- Gabapentin16 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.
Aoife O'Sullivan among 2,847 family medicine physician records in Oregon
Aoife O'Sullivan, 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 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2023 · 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
- Ellen Priscilla Bautista Yang, MDPortland, OR 972251174744395
- Robert Bettencourt, MDPortland, OR 972251003086521
- Nancy Borman, DOPortland, OR 972251316990021
- Kristina Brown, DOPortland, OR 972251992104418
- Kirsten Carr, M.D.Portland, OR 972251225054646
- Yana Little, MDPortland, OR 972251285893958
- Shelley Lowenstein, MDPortland, OR 972251356445449
- William McBride, MDPortland, OR 972251417901976
Common questions
What is Aoife O'Sullivan, MD's NPI number?
Aoife O'Sullivan, MD's National Provider Identifier (NPI) is 1073657003, issued on Feb 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aoife O'Sullivan, MD located?
The NPPES record lists a practice address at 9555 SW Barnes RD Ste 255, Portland, OR, 97225. Phone: (503) 908-1590. Providers update this record themselves, so call before visiting.
How can I verify Aoife O'Sullivan, MD's license?
NPPES lists Oregon license number MD174903, 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 Aoife O'Sullivan, MD prescribe under Medicare Part D?
In 2024, Aoife O'Sullivan, MD had 529 Medicare Part D claims for 119 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.