Claudia Biriescu, FNP
NPI 1437575974 · Family Nurse Practitioner · Yorba Linda, CA
Claudia Biriescu, FNP is a Family Nurse Practitioner provider in Yorba Linda, CA (NPI 1437575974).
Provider details
- NPI number
- 1437575974
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95000498 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2014-03-07
- Last updated
- 2014-03-07
Frequently asked questions
- What is Claudia Biriescu's NPI number?
- Claudia Biriescu's National Provider Identifier (NPI) is 1437575974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claudia Biriescu's specialty?
- Claudia Biriescu is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Claudia Biriescu located?
- Claudia Biriescu's practice location on file with NPPES is 18300 Yorba Linda Blvd Ste 201, Yorba Linda, CA 92886-4052.
- What is Claudia Biriescu's phone number?
- The practice phone number listed in the NPPES registry for Claudia Biriescu is (714) 577-6000.
- Is Claudia Biriescu's NPI active?
- Yes — Claudia Biriescu's NPI (1437575974) is active in the NPPES registry as of the last update on 2014-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.