Genevieve Leona O'Sullivan, M.D.
Family Medicine Physician · Wenatchee, WA
Genevieve Leona O'Sullivan, M.D. is a family medicine physician with a practice address in Wenatchee, Washington, and NPI 1609138296, issued on Jun 11, 2012. Check the license (Washington MD60548262, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Genevieve Leona O'Sullivan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD60548262 WA
Self-reported in NPPES; status is on the state search - Practice location
- 820 N Chelan Ave, Wenatchee, WA 98801
- Phone
- (509) 663-8711
- Enumerated
- Jun 11, 2012
- Record last updated
- Oct 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 1609138296 WA
- Medicare enrollment
- Enrolled (PECOS I20150702002506); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 820 N Chelan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Makena Ackerman, ARNPFamily Nurse Practitioner1598500936
- Steven Aguilu, M.D.Family Medicine Physician1851397830
- Amber Aiken, RNCase Manager/Care Coordinator1396498234
- Benjamin Albertson, MDSports Medicine (Orthopaedic Surgery) Physician1316471816
Verify Genevieve Leona O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60548262Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Central Washington Health Services AssociationWenatchee, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Genevieve Leona O'Sullivan among 5,534 family medicine physician records in Washington
Genevieve Leona O'Sullivan, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.
- NPI issued2012 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2008 · median 2009 among the 3,294 with a school on file
- Record last updated2018 · 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 family medicine physician records list a practice address in Wenatchee
They are 56 of the 2,290 NPPES records with a practice address in Wenatchee, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Wenatchee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Steven Aguilu, M.D.Wenatchee, WA 988011851397830
- Peter Bauer, M.D.Wenatchee, WA 988011922004910
- Thomas Dillon, MDWenatchee, WA 988011972594984
- Michael Fadich, M.D.Wenatchee, WA 988011447256433
- Stuart Freed, MDWenatchee, WA 988011386690261
- Andrea Hoey, ARNPWenatchee, WA 988011376534115
- Andrea Keyser, MDWenatchee, WA 988011437140274
- Charles McCormick, MDWenatchee, WA 988011164482832
Common questions
What is Genevieve Leona O'Sullivan, M.D.'s NPI number?
Genevieve Leona O'Sullivan, M.D.'s National Provider Identifier (NPI) is 1609138296, issued on Jun 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Genevieve Leona O'Sullivan, M.D. located?
The NPPES record lists a practice address at 820 N Chelan Ave, Wenatchee, WA, 98801. Phone: (509) 663-8711. Providers update this record themselves, so call before visiting.
How can I verify Genevieve Leona O'Sullivan, M.D.'s license?
NPPES lists Washington license number MD60548262, 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.
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.