Kristina Nguyen, FNP
NPI 1558127639 · Nurse Practitioner · Irvine, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristina Nguyen, FNP is a Nurse Practitioner provider in Irvine, CA (NPI 1558127639).
Provider details
- NPI number
- 1558127639
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95029770 (CA)
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
2 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)
- 11525 Brookshire Ave Ste 400Downey, CA 90241-4982Phone: (844) 227-7599Fax: (855) 903-5155
Registry dates
- Enumerated
- 2024-02-26
- Last updated
- 2024-12-18
- Certified
- 2024-12-18
Frequently asked questions
- What is Kristina Nguyen's NPI number?
- Kristina Nguyen's National Provider Identifier (NPI) is 1558127639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristina Nguyen's specialty?
- Kristina Nguyen is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kristina Nguyen located?
- Kristina Nguyen's practice location on file with NPPES is 6400 Oak Cyn Ste 200, Irvine, CA 92618-5233.
- What is Kristina Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Kristina Nguyen is (949) 240-7744.
- Does Kristina Nguyen accept Medicare?
- Kristina Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristina Nguyen's NPI active?
- Yes — Kristina Nguyen's NPI (1558127639) is active in the NPPES registry as of the last update on 2024-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.