Xiaofei Guo, MSN, FNP
NPI 1265958623 · Family Nurse Practitioner · Whittier, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiaofei Guo, MSN, FNP is a Family Nurse Practitioner provider in Whittier, CA (NPI 1265958623).
Provider details
- NPI number
- 1265958623
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95006776 (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
8 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
- 2017-08-17
- Last updated
- 2023-10-27
Frequently asked questions
- What is Xiaofei Guo's NPI number?
- Xiaofei Guo's National Provider Identifier (NPI) is 1265958623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiaofei Guo's specialty?
- Xiaofei Guo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Xiaofei Guo located?
- Xiaofei Guo's practice location on file with NPPES is 8522 Painter Ave, Whittier, CA 90602-3335.
- What is Xiaofei Guo's phone number?
- The practice phone number listed in the NPPES registry for Xiaofei Guo is (562) 698-6266.
- Does Xiaofei Guo accept Medicare?
- Xiaofei Guo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiaofei Guo's NPI active?
- Yes — Xiaofei Guo's NPI (1265958623) is active in the NPPES registry as of the last update on 2023-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.