KELSEY ERIN OSTER PSYD
NPI 1083122766
Clinical Neuropsychologist in Schaumburg, IL
About Kelsey Erin Oster Psyd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELSEY ERIN OSTER PSYD (NPI 1083122766) is an individual clinical neuropsychologist in Schaumburg, Illinois, licensed in Illinois (071.009662) and active in the NPI registry since January 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Arlington Heights, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kelsey Erin Oster Psyd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kelsey Oster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Schaumburg, IL 60173
- Reassigned Medicare billing, Illinois enrollment
- 7 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCHAUMBURG, IL 60173
SCHAUMBURG, IL 60173
SCHAUMBURG, IL 60173
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 Kelsey Oster's NPI number?
The NPI number for Kelsey Oster is 1083122766. It was assigned to this individual provider in the NPPES registry on January 17, 2018. The provider is also known as Kelsey Erin Simon Psyd.
Where is Kelsey Oster located?
Kelsey Oster practices at 1933 N Meacham Rd Ste 750, Schaumburg, IL 60173. The listed phone number is (708) 665-5170.
What is Kelsey Oster's specialty?
The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.
Is Kelsey Oster enrolled in Medicare?
Yes. Kelsey Oster is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kelsey Oster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelsey Oster reassigns Medicare benefits to Landstrom Neuropsychological Center, PC (Schaumburg, 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 Kelsey Oster'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 Kelsey Oster was last updated on April 18, 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.