IndividualActive
Giancarlo Sponzilli
NPI 1689456980 · Behavior Technician · Fremont, CA
Giancarlo Sponzilli is a Behavior Technician provider in Fremont, CA (NPI 1689456980).
Provider details
- NPI number
- 1689456980
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(51/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
39420 Liberty St Ste 150
Fremont, CA 94538-2284
Phone: (510) 794-5155
Approximate (ZIP-level) locationGet directions
Mailing address
39420 Liberty St Ste 150
Fremont, CA 94538-2284
Registry dates
- Enumerated
- 2023-10-20
- Last updated
- 2023-10-20
- Certified
- 2023-10-20
Frequently asked questions
- What is Giancarlo Sponzilli's NPI number?
- Giancarlo Sponzilli's National Provider Identifier (NPI) is 1689456980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giancarlo Sponzilli's specialty?
- Giancarlo Sponzilli is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Giancarlo Sponzilli located?
- Giancarlo Sponzilli's practice location on file with NPPES is 39420 Liberty St Ste 150, Fremont, CA 94538-2284.
- What is Giancarlo Sponzilli's phone number?
- The practice phone number listed in the NPPES registry for Giancarlo Sponzilli is (510) 794-5155.
- Is Giancarlo Sponzilli's NPI active?
- Yes — Giancarlo Sponzilli's NPI (1689456980) is active in the NPPES registry as of the last update on 2023-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.