IndividualActive
Sergio Sierra
NPI 1144743311 · Community Health Worker · Chula Vista, CA
Sergio Sierra is a Community Health Worker provider in Chula Vista, CA (NPI 1144743311).
Provider details
- NPI number
- 1144743311
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% 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
275 Orange Ave Spc 124
Chula Vista, CA 91911-4969
Phone: (619) 451-2413
Street-level locationGet directions
Mailing address
7986 Dagget St
San Diego, CA 92111-2321
Registry dates
- Enumerated
- 2017-07-19
- Last updated
- 2025-03-28
- Certified
- 2025-03-28
Frequently asked questions
- What is Sergio Sierra's NPI number?
- Sergio Sierra's National Provider Identifier (NPI) is 1144743311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sergio Sierra's specialty?
- Sergio Sierra is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Sergio Sierra located?
- Sergio Sierra's practice location on file with NPPES is 275 Orange Ave Spc 124, Chula Vista, CA 91911-4969.
- What is Sergio Sierra's phone number?
- The practice phone number listed in the NPPES registry for Sergio Sierra is (619) 451-2413.
- Is Sergio Sierra's NPI active?
- Yes — Sergio Sierra's NPI (1144743311) is active in the NPPES registry as of the last update on 2025-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.