James Lewis, FNP
NPI 1063840247 · Family Nurse Practitioner · Fairfield, CA
James Lewis, FNP is a Family Nurse Practitioner provider in Fairfield, CA (NPI 1063840247).
Provider details
- NPI number
- 1063840247
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- No
- License
- 21835 (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
12 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
- 2013-10-24
- Last updated
- 2013-10-24
Frequently asked questions
- What is James Lewis's NPI number?
- James Lewis's National Provider Identifier (NPI) is 1063840247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Lewis's specialty?
- James Lewis is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Lewis located?
- James Lewis's practice location on file with NPPES is 530 Union Ave, Fairfield, CA 94533-6367.
- What is James Lewis's phone number?
- The practice phone number listed in the NPPES registry for James Lewis is (707) 421-7150.
- Is James Lewis's NPI active?
- Yes — James Lewis's NPI (1063840247) is active in the NPPES registry as of the last update on 2013-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.