Grechell Zayas Fernandez
NPI 1316745797 · Family Nurse Practitioner · Fontana, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grechell Zayas Fernandez is a Family Nurse Practitioner provider in Fontana, CA (NPI 1316745797).
Provider details
- NPI number
- 1316745797
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- NP95033520 (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
1 yr 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
- 2025-03-03
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is Grechell Zayas Fernandez's NPI number?
- Grechell Zayas Fernandez's National Provider Identifier (NPI) is 1316745797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grechell Zayas Fernandez's specialty?
- Grechell Zayas Fernandez is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Grechell Zayas Fernandez located?
- Grechell Zayas Fernandez's practice location on file with NPPES is 7861 Lemon St, Fontana, CA 92336-2410.
- What is Grechell Zayas Fernandez's phone number?
- The practice phone number listed in the NPPES registry for Grechell Zayas Fernandez is (818) 478-6560.
- Does Grechell Zayas Fernandez accept Medicare?
- Grechell Zayas Fernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grechell Zayas Fernandez's NPI active?
- Yes — Grechell Zayas Fernandez's NPI (1316745797) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.