SONIA HAMMOND OT
NPI 1306261482
Occupational Therapist in Naperville, IL
About Sonia Hammond Ot NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SONIA HAMMOND OT (NPI 1306261482) is an individual occupational therapist in Naperville, Illinois, licensed in Illinois (056-010430) and active in the NPI registry since February 2014. She is a graduate of Other (2013).
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 and accepts Medicare assignment
Sonia Hammond Ot 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 Reassignment
Medicare enrollment records show Sonia Hammond reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 1,061 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 4
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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sonia Hammond's NPI number?
The NPI number for Sonia Hammond is 1306261482. It was assigned to this individual provider in the NPPES registry on February 26, 2014.
Where is Sonia Hammond located?
Sonia Hammond practices at 1259 Rickert Dr Ste 201, Naperville, IL 60540. The listed phone number is (630) 967-2000.
What is Sonia Hammond's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Sonia Hammond enrolled in Medicare?
Yes. Sonia Hammond 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 organization bills Medicare for Sonia Hammond's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Hammond reassigns Medicare benefits to Dupage Medical Group Ltd (Downers Grove, IL). 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 Sonia Hammond'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 Sonia Hammond was last updated on May 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.