SSG/OTTP
NPI 1669503629
Clinic/Center - Mental Health (Including Community Mental Health Center) in Gardena, CA
About Ssg/ottp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SSG/OTTP (NPI 1669503629) is a healthcare organization registered as a mental health (including community mental health center) in Gardena, California and active in the NPI registry since March 2007. The organization lists Herbert K Hatanaka, Executive Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ssg/ottp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
131Medicare enrollment records show 131 clinicians reassign Medicare billing to Ssg/Ottp, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 11 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 8
Nearest to this location (20)
See all 131Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Special Service For Groups, Inc.'s NPI number?
The NPI number for Special Service For Groups, Inc. is 1669503629. It was assigned to this organization in the NPPES registry on March 8, 2007. The provider is also known as Ssg/Ottp.
Where is Special Service For Groups, Inc. located?
Special Service For Groups, Inc. is located at 879 W 190th St Suites 320 350 360 380 390, Gardena, CA 90248. The listed phone number is (310) 323-6887.
What is Special Service For Groups, Inc.'s specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.
Is Special Service For Groups, Inc. enrolled in Medicare?
Yes. Special Service For Groups, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Special Service For Groups, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 131 clinicians in 8 Medicare specialties reassign their Medicare billing to Special Service For Groups, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Clinical Social Worker (48), Marriage and Family Therapist (36) and Psychiatry (30). Of these, 5 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Special Service For Groups, Inc. was last updated on October 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ssg/ottp · NPI 1669503629
Mental Health (Including Community Mental Health Center) organization in Gardena, California. Organization record, active in the CMS NPPES registry since March 8, 2007.
## Identity
- **NPI:** 1669503629 (Entity type: Organization)
- **Enumerated:** March 8, 2007
- **Primary specialty:** Clinic/Center - Mental Health (Including Community Mental Health Center) · taxonomy 261QM0801X
- **Legal business name:** Special Service For Groups, Inc.
- **Organization subpart:** No
- **Authorized official:** Herbert Hatanaka, EXECUTIVE DIRECTOR
## Practice location
- **Address:** 879 W 190TH ST, SUITES 320 350 360 380 390, Gardena, CA 90248-4223
- **Phone:** (310) 323-6887 · **Fax:** (310) 323-1570
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 131 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Social Worker (48), Marriage and Family Therapist (36), Psychiatry (30); 5 practice at this address and 11 within 10 miles; [full list](https://npiprofile.com/npi/1669503629/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 2, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1669503629) · Data from the CMS NPPES public registry.