Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nancy Leefong-Chang Sullivan, FNP

Individual provider Family Nurse Practitioner · NPI 1578967394

Nancy Leefong-Chang Sullivan, FNP is a Family Nurse Practitioner in Federal Way, Washington. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2014
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

1105 S 348th St Ste B103
Federal Way, WA 98003-7027
Phone: (800) 769-0045
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 8480 Enterprise Way, Oakland, CA 94621-1318 — (510) 300-3800

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence NP95001168 (CA)

Record details

NPI number1578967394
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedOctober 22, 2014
Last updated in NPPESSeptember 16, 2019

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