Efrain Lopez, FNP
NPI 1609340835 · Family Nurse Practitioner · San Diego, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Efrain Lopez, FNP is a Family Nurse Practitioner provider in San Diego, CA (NPI 1609340835).
Provider details
- NPI number
- 1609340835
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95010553 (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
7 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
- 2019-01-22
- Last updated
- 2023-12-27
- Certified
- 2023-12-27
Frequently asked questions
- What is Efrain Lopez's NPI number?
- Efrain Lopez's National Provider Identifier (NPI) is 1609340835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Efrain Lopez's specialty?
- Efrain Lopez is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Efrain Lopez located?
- Efrain Lopez's practice location on file with NPPES is 3131 Camino Del Rio N Ste 860, San Diego, CA 92108-5756.
- What is Efrain Lopez's phone number?
- The practice phone number listed in the NPPES registry for Efrain Lopez is (619) 317-1648.
- Does Efrain Lopez accept Medicare?
- Efrain Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Efrain Lopez's NPI active?
- Yes — Efrain Lopez's NPI (1609340835) is active in the NPPES registry as of the last update on 2023-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.