Nathaniel Bautista, M.D.
NPI 1538270822 · Occupational Medicine Physician · Lancaster, CA
Nathaniel Bautista, M.D. is a Occupational Medicine Physician provider in Lancaster, CA (NPI 1538270822).
Provider details
- NPI number
- 1538270822
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A49430 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-31
- Last updated
- 2008-09-10
Frequently asked questions
- What is Nathaniel Bautista's NPI number?
- Nathaniel Bautista's National Provider Identifier (NPI) is 1538270822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Bautista's specialty?
- Nathaniel Bautista is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Bautista located?
- Nathaniel Bautista's practice location on file with NPPES is 43839 15th St W, Lancaster, CA 93534-4756.
- What is Nathaniel Bautista's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Bautista is (661) 945-5984.
- Is Nathaniel Bautista's NPI active?
- Yes — Nathaniel Bautista's NPI (1538270822) is active in the NPPES registry as of the last update on 2008-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.