Quick answers
- Does Oliver A. Dela Rosa accept Medicare assignment?
- Yes. Medicare's clinician data says Oliver A. Dela Rosa accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Oliver A. Dela Rosa see?
- In 2024, CMS data shows 55 Original Medicare patients and 930 services for Oliver A. Dela Rosa. This counts Original Medicare only and measures volume, not quality.
- What is Oliver A. Dela Rosa's NPI number?
- 1558920769. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Oliver A. Dela Rosa, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 55 |
|---|---|
| Services billed to Medicare | 930 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)410 services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)278 services
- Therapy procedure using functional activities (97530)144 services
- Therapy procedure using manual technique, each 15 minutes (97140)48 services
- Evaluation for occupational therapy, typically 30 minutes (97165)28 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Diabetes40%
- Anxiety25%
- Atrial fibrillation24%
Practice locations
Addresses where Oliver A. Dela Rosa is enrolled with Medicare (CMS data updated October 2, 2026).
- 1221 N Highland AveAurora, IL 60506 (630) 859‑6800
- 3075 S Wolf RdWestchester, IL 60154 (708) 223‑8011
- 3600 Thayer Ct, Suite 500Aurora, IL 60504 (630) 453‑4052
- 664 W Veterans Pkwy, Suite DYorkville, IL 60560 (630) 453‑4052
Group practices
Medicare enrollment lists Oliver A. Dela Rosa as a member of these groups (CMS data updated October 2, 2026).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- Impulse Rehab and Wellness PLLC7 clinicians in the group
- Evolve Physical Therapy Inc5 clinicians in the group
Specialties
Find other clinicians: Occupational Therapist in Private Practice, Illinois →
Other occupational therapists in Aurora
Clinicians with the same Medicare primary specialty in Aurora, IL — not a recommendation.
Other clinicians in Advocate Health and Hospitals Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OT |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558920769 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians