Special Service for Groups, Inc.
NPI 1669503629 · Mental Health Clinic/Center (Including Community Mental Health Center) · Gardena, CA
Special Service for Groups, Inc. is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Gardena, CA (NPI 1669503629).
Provider details
- NPI number
- 1669503629
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Herbert Hatanaka, Executive Director(213) 553-1800
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Other names (DBA / former)
- Other name
- Ssg/Ottp
- Other name
- Ssg/Ottp
Registry dates
- Enumerated
- 2007-03-08
- Last updated
- 2024-10-02
- Certified
- 2024-10-02
Frequently asked questions
- What is Special Service for Groups, Inc.'s NPI number?
- Special Service for Groups, Inc.'s National Provider Identifier (NPI) is 1669503629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Special Service for Groups, Inc.?
- Special Service for Groups, Inc. is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Special Service for Groups, Inc. located?
- Special Service for Groups, Inc.'s practice location on file with NPPES is 879 W 190th St, Gardena, CA 90248-4223.
- What is Special Service for Groups, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Special Service for Groups, Inc. is (310) 323-6887.
- Who is the authorized official for Special Service for Groups, Inc.?
- The authorized official listed on Special Service for Groups, Inc.'s NPPES record is Herbert Hatanaka, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Special Service for Groups, Inc.'s NPI active?
- Yes — Special Service for Groups, Inc.'s NPI (1669503629) is active in the NPPES registry as of the last update on 2024-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.