ALLISON ELISABETH WILLIAMS
NPI 1649799552
Occupational Therapist in Clifton Springs, NY
About Allison Elisabeth Williams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON ELISABETH WILLIAMS (NPI 1649799552) is an individual occupational therapist in Clifton Springs, New York and active in the NPI registry since September 2017.
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)
Allison Elisabeth Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Allison Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brooklyn, NY 11223
- Reassigned Medicare billing, New York enrollment
- 21 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.
CLIFTON SPRINGS, NY 14432
CLIFTON SPRINGS, NY 14432
CLIFTON SPRINGS, NY 14432
CLIFTON SPRINGS, NY 14432
CLIFTON SPRINGS, NY 14432
CLIFTON SPRINGS, NY 14432
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 Allison Williams's NPI number?
The NPI number for Allison Williams is 1649799552. It was assigned to this individual provider in the NPPES registry on September 12, 2017.
Where is Allison Williams located?
Allison Williams practices at 210 Clifton Springs Professional Park, Clifton Springs, NY 14432. The listed phone number is (315) 906-0051.
What is Allison Williams's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Allison Williams enrolled in Medicare?
Yes. Allison Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Allison Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Williams reassigns Medicare benefits to Achieve Occupational Therapy And Physical Therapy Of Brooklyn, PLLC (Brooklyn, NY). 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 Allison 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 Allison Williams was last updated on July 21, 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.