IndividualActive
Sierra Guzman Neff
NPI 1639068158 · Social Worker · San Diego, CA
Sierra Guzman Neff is a Social Worker provider in San Diego, CA (NPI 1639068158).
Provider details
- NPI number
- 1639068158
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 index)
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
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
3350 E St
San Diego, CA 92102-3332
Phone: (619) 233-8500
Street-level locationGet directions
Mailing address
444 E 4th Ave Apt 319
Escondido, CA 92025-4368
Registry dates
- Enumerated
- 2025-06-30
- Last updated
- 2025-06-30
- Certified
- 2025-06-30
Frequently asked questions
- What is Sierra Guzman Neff's NPI number?
- Sierra Guzman Neff's National Provider Identifier (NPI) is 1639068158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Guzman Neff's specialty?
- Sierra Guzman Neff is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Sierra Guzman Neff located?
- Sierra Guzman Neff's practice location on file with NPPES is 3350 E St, San Diego, CA 92102-3332.
- What is Sierra Guzman Neff's phone number?
- The practice phone number listed in the NPPES registry for Sierra Guzman Neff is (619) 233-8500.
- Is Sierra Guzman Neff's NPI active?
- Yes — Sierra Guzman Neff's NPI (1639068158) is active in the NPPES registry as of the last update on 2025-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.