John Bagby
NPI 1851257406 · Family Nurse Practitioner · Santa Clarita, CA
John Bagby is a Family Nurse Practitioner provider in Santa Clarita, CA (NPI 1851257406).
Provider details
- NPI number
- 1851257406
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 95299754 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service 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
- 2025-12-29
- Last updated
- 2026-02-20
- Certified
- 2026-02-20
Frequently asked questions
- What is John Bagby's NPI number?
- John Bagby's National Provider Identifier (NPI) is 1851257406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Bagby's specialty?
- John Bagby is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Bagby located?
- John Bagby's practice location on file with NPPES is 28105 Bobwhite Cir Unit 121, Santa Clarita, CA 91350-4405.
- What is John Bagby's phone number?
- The practice phone number listed in the NPPES registry for John Bagby is (818) 314-8868.
- Is John Bagby's NPI active?
- Yes — John Bagby's NPI (1851257406) is active in the NPPES registry as of the last update on 2026-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.