Sylvia Becerra-Prossor, MPH, CATC IV
NPI 1447771563 · Addiction (Substance Use Disorder) Counselor · Torrance, CA
Sylvia Becerra-Prossor, MPH, CATC IV is a Addiction (Substance Use Disorder) Counselor provider in Torrance, CA (NPI 1447771563).
Provider details
- NPI number
- 1447771563
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MPH, CATC IV
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2017-06-28
- Last updated
- 2022-07-21
Frequently asked questions
- What is Sylvia Becerra-Prossor's NPI number?
- Sylvia Becerra-Prossor's National Provider Identifier (NPI) is 1447771563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Becerra-Prossor's specialty?
- Sylvia Becerra-Prossor is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Sylvia Becerra-Prossor located?
- Sylvia Becerra-Prossor's practice location on file with NPPES is 1124 W Carson St # N33, Torrance, CA 90502-2006.
- What is Sylvia Becerra-Prossor's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Becerra-Prossor is (310) 222-5410.
- Is Sylvia Becerra-Prossor's NPI active?
- Yes — Sylvia Becerra-Prossor's NPI (1447771563) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.