OLIVER ACOSTA DELA ROSA OT
NPI 1558920769
Occupational Therapist in Glen Ellyn, IL
About Oliver Acosta Dela Rosa Ot NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVER ACOSTA DELA ROSA OT (NPI 1558920769) is an individual occupational therapist in Glen Ellyn, Illinois, licensed in Illinois (056013074) and active in the NPI registry since June 2019. He is a graduate of Other (2018).
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
Oliver Acosta Dela Rosa 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 Reassignments
4Medicare enrollment records show Oliver Dela Rosa reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 1,061 clinicians in this Medicare group
Westchester, IL 60154
- Reassigned Medicare billing, Illinois enrollment
- 7 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 6 clinicians in this Medicare group
Aurora, IL 60506
- Reassigned Medicare billing, Illinois enrollment
- 383 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GLEN ELLYN, IL 60137
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 Oliver Dela Rosa's NPI number?
The NPI number for Oliver Dela Rosa is 1558920769. It was assigned to this individual provider in the NPPES registry on June 11, 2019.
Where is Oliver Dela Rosa located?
Oliver Dela Rosa practices at 430 Pennsylvania Ave Ste 240, Glen Ellyn, IL 60137. The listed phone number is (630) 967-2000.
What is Oliver Dela Rosa's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Oliver Dela Rosa enrolled in Medicare?
Yes. Oliver Dela Rosa 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 Oliver Dela Rosa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oliver Dela Rosa reassigns Medicare benefits to 4 organizations: Dupage Medical Group Ltd (Downers Grove, IL), Impulse Rehab And Wellness, PLLC (Westchester, IL), Evolve Physical Therapy Inc (Aurora, IL) and Advocate Health And Hospitals Corporation (Aurora, IL). 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 Oliver Dela Rosa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Oliver Dela Rosa accept?
Health plans from Oscar Health and Oscar Health Plan, Inc. list Oliver Dela Rosa 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 Oliver Dela Rosa was last updated on February 1, 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.