MS. TOSHIE SUZUKI-DIAZ MSW
NPI 1740584499
Social Worker - Clinical in Boston, MA
About Ms. Toshie Suzuki-diaz Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. TOSHIE SUZUKI-DIAZ MSW (NPI 1740584499) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (115116) and active in the NPI registry since January 2011. She has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Ms. Toshie Suzuki-diaz Msw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2018 through October 1, 2026.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Toshie Suzuki-diaz's NPI number?
The NPI number for Toshie Suzuki-diaz is 1740584499. It was assigned to this individual provider in the NPPES registry on January 10, 2011. The provider is also known as Ms. Toshie Suzuki Msw.
Where is Toshie Suzuki-diaz located?
Toshie Suzuki-diaz practices at 25 Staniford St, Boston, MA 02114. The listed phone number is (617) 912-7800.
What is Toshie Suzuki-diaz's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Toshie Suzuki-diaz enrolled in Medicare?
No. Toshie Suzuki-diaz has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
What insurance does Toshie Suzuki-diaz accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Toshie Suzuki-diaz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Toshie Suzuki-diaz was last updated on January 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Toshie Suzuki-Diaz, MSW · NPI 1740584499
Clinical provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since January 10, 2011.
## Identity
- **NPI:** 1740584499 (Entity type: Individual)
- **Enumerated:** January 10, 2011
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 115116 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 25 STANIFORD ST, Boston, MA 02114-2503
- **Phone:** (617) 912-7800
## Medicare
- **Medicare:** Opted out of Medicare (opt-out affidavit on file, in effect through October 1, 2026); services are provided under private contract
## Record status
- **NPPES last updated:** January 21, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1740584499) · Data from the CMS NPPES public registry.