PATRICK O'LEARY (MD) – Cardiovascular Disease Physician, NPI 1942278890
Cardiovascular Disease Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,594 CARDIOVASCULAR DISEASE (CARDIOLOGY) in IL
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Provider Addresses for PATRICK O'LEARY (MD)
Northwestern Medicine Central DuPage Hospital, 25, North Winfield Road, Geneva Road, Winfield, DuPage County, Illinois, 60190, United States
STE 300
WINFIELD, IL 60190
Phone: (630) 933-8100
Type: Location
1860 PAYSPHERE CIR
CHICAGO, IL 606740018
Phone: (630) 469-9200
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 102 Open Payments records for all available years, with a total value of $2,271.
Total Amount is formed as General ($2,271) + Research ($0) + Ownership ($0) = $2,271.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($533).
Total Amount
$2,271
General + Research + Ownership
Payments
102
Total payment records
General Amount
$2,271
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $533 |
| Medtronic, Inc. | $494 |
| E.R. Squibb & Sons, L.L.C. | $216 |
| Janssen Pharmaceuticals, Inc | $164 |
| CVRx, Inc. | $116 |
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: 2004-02-20
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 |
|---|---|---|---|---|
| I20040220000687 | I | Cardiovascular Disease (Cardiology) | IL | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,148 | 797 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 908 | 750 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 649 | 254 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 571 | 558 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 377 | 360 | $0 |
Insurance plans in this area (ZIP 60190)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | IL | 85610 | Blood test, clotting time | 70 | 32 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | IL | |
| Physician Assistant | IL | |
| Internal Medicine | IL | |
| Nurse Practitioner | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Physical Therapist In Private Practice | IL |
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