Physician Profile
Unclaimed ProfileAbout O'LEARY
Patrick O'Leary, MD practices cardiovascular disease (cardiology) in Winfield, IL. Patrick is a 1988 graduate of R Franklin University of Med & Sci/Chicago Medical School. Patrick is also listed as specializing in cardiovascular disease. According to Medicare claims data, Patrick cared for 3,551 Medicare patients across 4,776 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (630) 933-8100
- Email not available
Practice Locations
25 N WINFIELD RD STE 300
Winfield, IL 60190
Procedures Most Often Billed to Medicare
4,776 services · 3,551 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
222 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
761 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
377 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
373 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
108 |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
68 |
| Heart rhythm recording continous external ekg over more than 48 hours up to 7 days | Treatment | 93242 |
68 |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
41 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
40 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,228 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiovascular diseases in Winfield 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at R Franklin University of Med & Sci/Chicago Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at R Franklin University of Med & Sci/Chicago Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. O'Leary?
Dr. O'Leary is a cardiovascular disease (cardiology) in Winfield, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
What is Dr. O'Leary's address?
Dr. O'Leary is listed at 25 N WINFIELD RD STE 300, Winfield, IL 60190. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. O'Leary?
The number on file is (630) 933-8100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Leary's NPI number?
Dr. O'Leary's National Provider Identifier is 1942278890. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. O'Leary train?
Dr. O'Leary attended R Franklin University of Med & Sci/Chicago Medical School, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Leary been practicing?
Dr. O'Leary has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. O'Leary perform?
According to Medicare billing data, Dr. O'Leary performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Leary confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Leary. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.