MS. AYA TATEISHI LCSW
NPI 1679974885
Social Worker - Clinical in Los Angeles, CA
About Ms. Aya Tateishi Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. AYA TATEISHI LCSW (NPI 1679974885) is an individual clinical provider in Los Angeles, California, licensed in California (87051) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Aya Tateishi Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Aya Tateishi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arcadia, CA 91006
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90045
LOS ANGELES, CA 90045
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 Aya Tateishi's NPI number?
The NPI number for Aya Tateishi is 1679974885. It was assigned to this individual provider in the NPPES registry on September 7, 2014.
Where is Aya Tateishi located?
Aya Tateishi practices at 8616 La Tijera Blvd Suite 200, Los Angeles, CA 90045. The listed phone number is (310) 337-1550.
What is Aya Tateishi's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Aya Tateishi enrolled in Medicare?
Yes. Aya Tateishi is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Aya Tateishi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aya Tateishi reassigns Medicare benefits to Soultenders Psychological Services, Inc. (Arcadia, CA). The 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 Aya Tateishi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Aya Tateishi was last updated on April 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ms. Aya Tateishi, LCSW · NPI 1679974885
Clinical provider in Los Angeles, California. Individual provider, active in the CMS NPPES registry since September 7, 2014.
## Identity
- **NPI:** 1679974885 (Entity type: Individual)
- **Enumerated:** September 7, 2014
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 87051 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8616 LA TIJERA BLVD, SUITE 200, Los Angeles, CA 90045-3944
- **Phone:** (310) 337-1550 · **Fax:** (310) 337-2805
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Soultenders Psychological Services, Inc. (NPI 1235810722, Arcadia, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 15, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1679974885) · Data from the CMS NPPES public registry.