DR. KENJI OYASU (M.D.) – Emergency Medicine Physician, NPI 1487768552
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,847 EMERGENCY MEDICINE in IL
Provider Addresses for DR. KENJI OYASU (M.D.)
111 S Washington Ave Ste 202
Park Ridge, IL 600684293
Phone: (847) 423-6800
Fax: (847) 972-6533
Type: Location
1324 N SHERIDAN RD DEPT OF
WAUKEGAN, IL 60085
Phone: (847) 360-3000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 32 Open Payments records for all available years, with a total value of $606.
Total Amount is formed as General ($606) + Research ($0) + Ownership ($0) = $606.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Braeburn Inc. ($168).
Total Amount
$606
General + Research + Ownership
Payments
32
Total payment records
General Amount
$606
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Braeburn Inc. | $168 |
| Galderma Laboratories, L.P. | $139 |
| Indivior Inc. | $104 |
| ABBVIE INC. | $69 |
| USWM, LLC | $66 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-06-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070504000331 | I | Emergency Medicine | IL | TBD |
| I20090520000190 | I | Emergency Medicine | IN | TBD |
| I20240603000165 | I | Emergency Medicine | FL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 129 | 122 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 67 | 66 | $0 |
| 99291 | Critical care, first 30-74 minutes | 23 | 23 | $0 |
Insurance plans in this area (ZIP 60068)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | IL | 31500 | Emergent insertion of breathing tube into windpipe cartilage using an endoscope | 11 | 11 |
| EMERGENCY MEDICINE | IL | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 91 | 86 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | IL | |
| Emergency Medicine | NY | |
| Emergency Medicine | MI | |
| Emergency Medicine | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Emergency Medicine | SC | |
| Emergency Medicine | MN | |
| Emergency Medicine | IL | |
| Emergency Medicine | MI |
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