Annalissa Pena, FNP-C
NPI 1518843978 · Nurse Practitioner · Fairfield, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annalissa Pena, FNP-C is a Nurse Practitioner provider in Fairfield, CA (NPI 1518843978).
Provider details
- NPI number
- 1518843978
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- NP95035382 (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
Under 1 yr in 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
- 2025-08-12
- Last updated
- 2025-08-12
- Certified
- 2025-08-12
Frequently asked questions
- What is Annalissa Pena's NPI number?
- Annalissa Pena's National Provider Identifier (NPI) is 1518843978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annalissa Pena's specialty?
- Annalissa Pena is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Annalissa Pena located?
- Annalissa Pena's practice location on file with NPPES is 768 Antiquity Dr, Fairfield, CA 94534-6613.
- What is Annalissa Pena's phone number?
- The practice phone number listed in the NPPES registry for Annalissa Pena is (707) 290-0353.
- Does Annalissa Pena accept Medicare?
- Annalissa Pena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annalissa Pena's NPI active?
- Yes — Annalissa Pena's NPI (1518843978) is active in the NPPES registry as of the last update on 2025-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.