DR. ALLISON RUTH CHRISTOFF OTD
NPI 1548781776
Occupational Therapist in Washington, DC
About Dr. Allison Ruth Christoff Otd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALLISON RUTH CHRISTOFF OTD (NPI 1548781776) is an individual occupational therapist in Washington, District Of Columbia, licensed in District Of Columbia (OT010001674) and active in the NPI registry since June 2017. She maintains 9 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 9
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Allison Ruth Christoff Otd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Allison Christoff reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20016
- Reassigned Medicare billing, District of Columbia enrollment
- 69 clinicians in this Medicare group
Timonium, MD 21093
- Reassigned Medicare billing, Maryland enrollment
- 118 clinicians in this Medicare group
Winchester, VA 22603
- Reassigned Medicare billing, District of Columbia enrollment
- 696 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20015
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 Christoff's NPI number?
The NPI number for Allison Christoff is 1548781776. It was assigned to this individual provider in the NPPES registry on June 28, 2017.
Where is Allison Christoff located?
Allison Christoff practices at 5420 Connecticut Ave NW Fox Rehab Office, Washington, DC 20015. The listed phone number is (202) 888-0876.
What is Allison Christoff's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Allison Christoff enrolled in Medicare?
Yes. Allison Christoff is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Allison Christoff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Christoff reassigns Medicare benefits to 3 organizations: Legacy Healthcare Services, Inc (Washington, DC), Fox Rehab Ot MD LLC (Timonium, MD) and Fox Rehabilitation Services LLC (Winchester, VA). Each 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 Christoff'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 Christoff was last updated on August 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.