KATHERINE SINGER
NPI 1811647795
Occupational Therapist in Springfield, VA
About Katherine Singer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE SINGER (NPI 1811647795) is an individual occupational therapist in Springfield, Virginia, licensed in Wisconsin (854426) and active in the NPI registry since March 2022. She is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Katherine Singer is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Katherine Singer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 96 clinicians in this Medicare group
Oshkosh, WI 54901
- Reassigned Medicare billing, Wisconsin enrollment
- 89 clinicians in this Medicare group
Deforest, WI 53532
- Reassigned Medicare billing, Wisconsin enrollment
- 66 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 2
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.
SPRINGFIELD, VA 22150
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 Katherine Singer's NPI number?
The NPI number for Katherine Singer is 1811647795. It was assigned to this individual provider in the NPPES registry on March 24, 2022.
Where is Katherine Singer located?
Katherine Singer practices at 6541 Franconia Rd, Springfield, VA 22150. The listed phone number is (703) 922-6800.
What is Katherine Singer's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Katherine Singer enrolled in Medicare?
Yes. Katherine Singer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Katherine Singer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Singer reassigns Medicare benefits to 3 organizations: Paxxon Healthcare Services LLC (Menomonee Falls, WI), Oasis Therapy Services LLC (Oshkosh, WI) and Sundance Rehabilitation LLC (Deforest, WI). 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 Katherine Singer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Singer accept?
Health plans from UnitedHealthcare list Katherine Singer 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 Katherine Singer was last updated on March 12, 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.