Shyla Witthaus, FNP-BC
NPI 1144684499 · Family Nurse Practitioner · Yorba Linda, CA
Shyla Witthaus, FNP-BC is a Family Nurse Practitioner provider in Yorba Linda, CA (NPI 1144684499).
Provider details
- NPI number
- 1144684499
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 041.384423 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 201 S Milwaukee AveLake Villa, IL 60046-8551Phone: (847) 356-9009
Registry dates
- Enumerated
- 2016-04-12
- Last updated
- 2021-04-20
- Certified
- 2021-04-20
Frequently asked questions
- What is Shyla Witthaus's NPI number?
- Shyla Witthaus's National Provider Identifier (NPI) is 1144684499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shyla Witthaus's specialty?
- Shyla Witthaus is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shyla Witthaus located?
- Shyla Witthaus's practice location on file with NPPES is 18300 Yorba Linda Blvd, Yorba Linda, CA 92886.
- What is Shyla Witthaus's phone number?
- The practice phone number listed in the NPPES registry for Shyla Witthaus is (714) 577-6000.
- Is Shyla Witthaus's NPI active?
- Yes — Shyla Witthaus's NPI (1144684499) is active in the NPPES registry as of the last update on 2021-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.