NPPES file of Aug 9, 2026

Eileen O'Sullivan, MB BCH BAO

Emergency Medicine Physician · Vancouver, WA

Eileen O'Sullivan, MB BCH BAO is an emergency medicine physician with a practice address in Vancouver, Washington, and NPI 1538504519, issued on May 6, 2013. Check the license (Washington MD61237966, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538504519
Name
Eileen O'Sullivan
Credential
MB BCH BAO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
MD61237966 WA
MD192455 OR
Self-reported in NPPES; status is on the state search
Practice location
2529 NE 139TH St Ste 110, Vancouver, WA 98686
Phone
(360) 882-2778
Enumerated
May 6, 2013
Record last updated
Mar 29, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2529 NE 139TH St Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elaine Marie Ballar, PAPhysician Assistant1295181121
  2. Joshua Colley, PA-CPhysician Assistant1417347915
  3. Rosemarie KadowFamily Nurse Practitioner1710447966
  4. Lydia Park, D.O.Internal Medicine Physician1871886531
  5. Paige RogersPhysician Assistant1093328494
  6. Todd SkenandoreFamily Nurse Practitioner1013680370

Verify Eileen O'Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61237966
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

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40% more Medicare Part D claims than the average emergency medicine physician in 2024

316 Medicare Part D claims for 226 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Eileen O'Sullivan316
  2. Specialty average226

Most prescribed

  1. Cefadroxil48 claims
  2. Prednisone29 claims
  3. Ondansetron Odt23 claims
  4. Amoxicillin-Clavulanate Potass19 claims
  5. Oxycodone Hcl15 claims
  6. Azithromycin12 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.

Eileen O'Sullivan among 1,459 emergency medicine physician records in Washington

Eileen O'Sullivan, MB BCH BAO is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 72% of them.

  • NPI issued2013 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2023 · 62% 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 Washington 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 Washington

There are 1,459 emergency medicine physician records in Washington.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. John Albrich, M.D.Vancouver, WA 986861255387270
  2. Daniel Bissell, MDVancouver, WA 986861093737058
  3. Gail Jacobson, MDVancouver, WA 986861689698110
  4. Mary Elizabeth Jones, MDVancouver, WA 986861457381030
  5. Staci Kristin, MDVancouver, WA 986861912921206
  6. Erin Kuniholm, MDVancouver, WA 986861871515882
  7. George Lin, MDVancouver, WA 986861073537395
  8. Wayne Lucke, MDVancouver, WA 986861154362564

Common questions

What is Eileen O'Sullivan, MB BCH BAO's NPI number?

Eileen O'Sullivan, MB BCH BAO's National Provider Identifier (NPI) is 1538504519, issued on May 6, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Eileen O'Sullivan, MB BCH BAO located?

The NPPES record lists a practice address at 2529 NE 139TH St Ste 110, Vancouver, WA, 98686. Phone: (360) 882-2778. Providers update this record themselves, so call before visiting.

How can I verify Eileen O'Sullivan, MB BCH BAO's license?

NPPES lists Washington license number MD61237966, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Eileen O'Sullivan, MB BCH BAO prescribe under Medicare Part D?

In 2024, Eileen O'Sullivan, MB BCH BAO had 316 Medicare Part D claims for 226 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.