Nancy Leefong-Chang Sullivan, FNP
Family Nurse Practitioner · Federal Way, WA
Nancy Leefong-Chang Sullivan, FNP is a family nurse practitioner with a practice address in Federal Way, Washington, and NPI 1578967394, issued on Oct 22, 2014. Check the license with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nancy Leefong-Chang Sullivan
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- NP95001168 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1105 S 348TH St Ste B103, Federal Way, WA 98003
- Phone
- (800) 769-0045
- Enumerated
- Oct 22, 2014
- Record last updated
- Sep 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1105 S 348TH St Ste B103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joy Christoferson, MSN, ARNPNurse Practitioner1902977473
- Jackie Shuey, PAMedical Physician Assistant1528065265
Verify Nancy Leefong-Chang Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57 family nurse practitioner records list a practice address in Federal Way
They are 57 of the 2,770 NPPES records with a practice address in Federal Way, and 3,781 family nurse practitioner records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 57 in Federal Way → All 3,781 in Washington → Every provider in Federal Way →
Other family nurse practitioner records in Washington
- Erin Aas, ARNPOak Harbor, WA1972566206
- Amma AbabioSunnyside, WA1952056541
- Kimberly Abbey, NPBellevue, WA1700909181
- Mary Abbott, ARNP, FNP-CTacoma, WA1285514539
- Nurto AbdullaSeattle, WA1215629035
- Teresa Abernathy, ARNPOlympia, WA1124454533
- Brenda Abraham, N.P.Bremerton, WA1497745558
- Heina Abraham, APRN, FNP-CTukwila, WA1770169682
- Alan Abrams, ARNPEverett, WA1639347438
- Kristen Abrams, ARNPLakewood, WA1841449170
Common questions
What is Nancy Leefong-Chang Sullivan, FNP's NPI number?
Nancy Leefong-Chang Sullivan, FNP's National Provider Identifier (NPI) is 1578967394, issued on Oct 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Leefong-Chang Sullivan, FNP located?
The NPPES record lists a practice address at 1105 S 348TH St Ste B103, Federal Way, WA, 98003. Phone: (800) 769-0045. Providers update this record themselves, so call before visiting.
How can I verify Nancy Leefong-Chang Sullivan, FNP's license?
Search the Washington board that licenses this profession; the NPPES record confirms identity 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. 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.