ALLISON ELISABETH WILLIAMS
NPI 1649799552
Occupational Therapist in Clifton Springs, NY

Active since September 12, 2017
210 CLIFTON SPRINGS PROFESSIONAL PARK, CLIFTON SPRINGS, NY 14432(315) 906-0051 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Sep 12, 2017 (2 updates tracked since 2017).

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

NPI1649799552
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameALLISON ELISABETH WILLIAMS
Location Address210 CLIFTON SPRINGS PROFESSIONAL PARKClifton Springs, NY 14432-1041
Mailing Address210 Clifton Springs Professional ParkClifton Springs, NY 14432-1041 · (315) 906-0051
Sole ProprietorNo
Enumeration DateSeptember 12, 2017
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1649799552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
210 CLIFTON SPRINGS PROFESSIONAL PARK, Clifton Springs, NY 14432

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.

Occupational Medicine
813 QUENTIN RD STE 106
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.

Case Manager/Care Coordinator
210 CLIFTON SPRINGS PROFESSIONAL PARK
CLIFTON SPRINGS, NY 14432
Physical Therapist
210 CLIFTON SPRINGS PROFESSIONAL PARK
CLIFTON SPRINGS, NY 14432
Case Manager/Care Coordinator
210 CLIFTON SPRINGS PROFESSIONAL PARK
CLIFTON SPRINGS, NY 14432
Speech-Language Pathologist
210 CLIFTON SPRINGS PROFESSIONAL PARK
CLIFTON SPRINGS, NY 14432
Speech-Language Pathologist
210 CLIFTON SPRINGS PROFESSIONAL PARK
CLIFTON SPRINGS, NY 14432
Speech-Language Pathologist
210 CLIFTON SPRINGS PROFESSIONAL PARK
CLIFTON SPRINGS, NY 14432
Occupational Therapist
210 CLIFTON SPRINGS PROFESSIONAL PARK
CLIFTON SPRINGS, NY 14432
Specialist
210 CLIFTON SPRINGS PROFESSIONAL PARK
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.