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

Shyla Michelle Witthaus, FNP-BC

Individual provider Registered Nurse · NPI 1144684499

Shyla Michelle Witthaus, FNP-BC is a Registered Nurse in Yorba Linda, California. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2016
Specialties on file
2
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

Practice location Address checks out

18300 Yorba Linda Blvd
Yorba Linda, CA 92886
Phone: (714) 577-6000
Show map & directions

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

Additional practice locations (1)

  • 201 S Milwaukee Ave, Lake Villa, IL 60046-8551 — (847) 356-9009

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 209.011227 (IL)
Registered Nurse Taxonomy 163W00000X · Licence 041.384423 (IL)

Record details

NPI number1144684499
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-BC
Sole proprietorNo
NPI enumeratedApril 12, 2016
Last updated in NPPESApril 20, 2021
Certification dateApril 20, 2021

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