Robert Shertzer
NPI 1255881793 · Addiction (Substance Use Disorder) Counselor · Gardena, CA
Robert Shertzer is a Addiction (Substance Use Disorder) Counselor provider in Gardena, CA (NPI 1255881793).
Provider details
- NPI number
- 1255881793
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
9 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
- 2016-10-07
- Last updated
- 2016-10-07
Frequently asked questions
- What is Robert Shertzer's NPI number?
- Robert Shertzer's National Provider Identifier (NPI) is 1255881793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Shertzer's specialty?
- Robert Shertzer is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Robert Shertzer located?
- Robert Shertzer's practice location on file with NPPES is 15519 Crenshaw Blvd, Gardena, CA 90249-4525.
- What is Robert Shertzer's phone number?
- The practice phone number listed in the NPPES registry for Robert Shertzer is (310) 679-9031.
- Is Robert Shertzer's NPI active?
- Yes — Robert Shertzer's NPI (1255881793) is active in the NPPES registry as of the last update on 2016-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.