NINA RUTH WILLIAMS
NPI 1407260912
Speech-Language Pathologist in Boston, MA
About Nina Ruth Williams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NINA RUTH WILLIAMS (NPI 1407260912) is an individual speech-language pathologist provider in Boston, Massachusetts, licensed in Massachusetts (77536) and active in the NPI registry since June 2014.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Nina Ruth Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Nina Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 79 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.
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 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Nina Williams's NPI number?
The NPI number for Nina Williams is 1407260912. It was assigned to this individual provider in the NPPES registry on June 12, 2014.
Where is Nina Williams located?
Nina Williams practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Nina Williams's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Nina Williams enrolled in Medicare?
Yes. Nina Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Nina Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nina Williams reassigns Medicare benefits to Chmc Otolaryngologic Foundation, Inc (Boston, MA). 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 Nina Williams'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 Nina Williams was last updated on October 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Nina Ruth Williams · NPI 1407260912
Speech-Language Pathologist provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 12, 2014.
## Identity
- **NPI:** 1407260912 (Entity type: Individual)
- **Enumerated:** June 12, 2014
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 77536 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Chmc Otolaryngologic Foundation, Inc (NPI 1124118229, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 25, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1407260912) · Data from the CMS NPPES public registry.