DR. OLIVER M. OLEA (M.D.) – Hospitalist Physician, NPI 1629023635
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for DR. OLIVER M. OLEA (M.D.)
25 N Winfield Rd
Winfield, IL 601901295
Phone: (630) 933-4700
Fax: (630) 933-4427
Type: Location
300 Randall Rd
Geneva, IL 60134
Phone: (630) 933-4700
Fax: (630) 933-4427
Type: Location
Northwestern Medicine Delnor Hospital, 300, Randall Road, Geneva, Kane County, Illinois, 60134, United States
GENEVA, IL 601344200
Phone: (630) 933-4700
Fax: (630) 933-4427
Type: Mailing
Cape Fear Valley Medical Center, 1638, Owen Drive, Bordeaux, Fayetteville, Cumberland County, North Carolina, 28304, United States
FAYETTEVILLE, NC 283043424
Phone: (910) 615-5610
Fax: (915) 615-5080
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2019-03-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20190312000154 | I | Internal Medicine | NC | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 78 | 77 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 41 | 41 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 29 | 29 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 24 | 24 | $0 |
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 12 | 11 | $0 |
Insurance plans in this area (ZIP 60190)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NC | |
| - | FL | |
| Hospitalist, Internal Medicine | NC | |
| Physical Medicine And Rehabilitation | NC | |
| - | NC | |
| Family Practice | NC | |
| Internal Medicine, Geriatric Medicine | NC | |
| - | NC | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | NC |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.