Dr. Patrick W. O'Leary, MD

  • Rochester, MN
  • Pediatric cardiology physician
NPI1881672632PAC ID1254425010
Medicare services, 2023
46
Part D claims, 2020
21
Publications
114
Clinical trials
3
Hospital affiliations
1
Practice address
1216 Second Street Southwest, Rochester, MN 55902
Practice phone
Call (507) 255-5123
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mayo Clinic Hospital, Saint Marys Campus

Hospital · Rochester, Minnesota

See all 16 affiliations

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Dr. Patrick W. O'Leary is a pediatric cardiology physician in Rochester, Minnesota

Dr. O'Leary practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic.

Dr. O'Leary's NPI, 1881672632, was assigned on January 3, 2006. Dr. O'Leary graduated from University of Wisconsin-Madison in 1986. Dr. O'Leary holds Minnesota license 33140.

NPI and contact details
Medicare PAC ID
1254425010
NPI enumeration date
January 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(507) 255-5123
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
66
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Patrick W. O'Leary practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota

Dr. O'Leary's primary practice is Mayo Clinic Hospital, Saint Marys Campus, at 1216 Second Street Southwest, Rochester, MN 55902 in Olmsted County. The practice phone is (507) 255-5123.

Source: Dmand AI Affiliation Data

Dr. Patrick W. O'Leary is affiliated with 3 sites of care and 13 medical groups

Dr. O'Leary's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. The medical group on file is Mayo Clinic. Dmand AI also links Dr. O'Leary to 12 more medical groups, 1 group practice or clinic and 1 hospice, each named with a free account.

See all 16 affiliations for Dr. O'Leary

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Patrick W. O'Leary's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Leary practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mayo Clinic Hospital, Saint Marys CampusAvailable with a free account
+2 more sites and 12 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Patrick W. O'Leary is one of 61 pediatric cardiology physicians in Minnesota

Pediatric cardiology is Dr. O'Leary's primary specialty in the NPI Registry, under taxonomy code 2080P0202X. Dr. O'Leary is board certified in pediatric cardiology by the American Board of Pediatrics. Dmand AI has Dr. O'Leary's licenses on file in 5 states: Minnesota, Arizona, Iowa, North Dakota and Wisconsin.

Specialties and state licenses

  • Pediatric cardiology, MinnesotaPrimaryLicense 33140 · 1989 to 2026 · taxonomy 2080P0202X
  • Arizona license2011 to 2026
  • Iowa license1996 to 2026
  • North Dakota license1994 to 2026
  • Wisconsin licenseLicense 28845 · 1987 to 2025

Pediatric cardiology physicians near Dr. O'Leary

Counts of pediatric cardiology physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Patrick W. O'Leary billed Medicare for 46 services in 2023

CMS data shows 46 Medicare services from Dr. O'Leary across 3 procedure codes in 2023. Medicare paid $911 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202346
Paid by Medicare$911
Procedure codes3

Dr. O'Leary's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Tests and treatments
2022: 582023: 4621%

Dr. O'Leary compared with the Minnesota median for pediatric cardiology physicians, 2023

  • Dr. O'Leary
  • Minnesota median
Medicare services
46vs 143.3 times
Part D claims
21vs 22Close to median

Medians across 29 pediatric cardiology physicians in Minnesota with Dmand AI profiles that report each measure.

Dr. O'Leary's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. O'Leary

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Patrick W. O'Leary's patients have a median age of 15

Across all payers, Dmand AI patient panel data puts Dr. O'Leary's median patient age at 15, with 55% women.

Dr. O'Leary's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 15

Patient panel by sex, all payers

  • Women55%
  • Men44%

Source: Dmand AI Patient Panel Data

Dr. Patrick W. O'Leary wrote 21 Medicare Part D claims in 2020

In 2020, Dr. O'Leary wrote 21 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $4,343 in total drug cost. In 2016, CMS named 11 claims across 1 drug.

Part D claims, 202021
Drugs named by CMS1
Total drug cost$4,343

Dr. O'Leary's most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2016 to 2020

  • 2016
  • 2020
Claims for drugs CMS names
2016: 112020: 2191%

Drugs named by CMS: 1 in 2020, 1 in 2016.

See all prescribing by Dr. O'Leary

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. Patrick W. O'Leary takes part in Medicare

Dr. O'Leary accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Patrick W. O'Leary has 114 publications on record

Dmand AI links 114 papers to Dr. O'Leary, published from 2006 to 2024. 2015 was the busiest year, with 10. The most frequent topics are Heart Defects, Congenital, Echocardiography and Fontan Procedure. Dr. O'Leary has published most often in J Am Soc Echocardiogr. Dr. O'Leary's most frequent co-authors are Joseph A. Dearani, MD, Frank Cetta, MD and Muhammad Yasir Qureshi, MD.

Papers114
Years published2006 to 2024

Dr. O'Leary's papers by year, 2015 to 2024

Topics Dr. O'Leary writes about most

  • Heart Defects, Congenital
  • Echocardiography
  • Fontan Procedure
  • Cardiac Surgical Procedures
  • Heart Ventricles
  • Ebstein Anomaly
  • Hypoplastic Left Heart Syndrome
  • Tricuspid Valve

Dr. O'Leary's most frequent co-authors

Recent publications by Dr. O'Leary

See all 114 publications and co-authors

See who Dr. O'Leary researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Leary works with, so you can find a warm path to the right pediatric cardiology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Patrick W. O'Leary has worked on 3 clinical trials

Dmand AI links Dr. O'Leary to 3 clinical trials, 2 of them phase 1 studies. Conditions studied include Heart Defects, Congenital, Hypoplastic Left Heart Syndrome and Cardiovascular Abnormalities. Timothy J Nelson, MD, PhD sponsors the most, 2.

Conditions in Dr. O'Leary's trials

  • Heart Defects, Congenital
  • Hypoplastic Left Heart Syndrome
  • Cardiovascular Abnormalities

Investigators on the most trials with Dr. O'Leary

Recent clinical trials with Dr. O'Leary

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Patrick W. O'Leary has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. O'Leary.

Awards and honors for Dr. O'Leary

  1. Undated
    • ACC Fellow
    • Fellow (FASE)

Source: Dmand AI Professional Profile Data

Dr. Patrick W. O'Leary graduated from University of Wisconsin-Madison

Dr. O'Leary graduated from University of Wisconsin-Madison in 1986. Dr. O'Leary is a member of ACC and ASE.

  1. Medical schoolUniversity of Wisconsin-Madison
  2. Board certified in pediatric cardiologyAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Patrick W. O'Leary accepts plans from 17 insurance carriers

Dr. O'Leary is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Medica
  • United Healthcare
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +9 more carriersWith a free account

Plan types Dr. O'Leary accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO9
  4. POS7
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Patrick W. O'Leary's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Patrick W. O'Leary

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Patrick W. O'Leary's NPI number?

Dr. Patrick W. O'Leary's NPI number is 1881672632. It was assigned on January 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Patrick W. O'Leary?

Dr. Patrick W. O'Leary is a pediatric cardiology physician in Rochester, Minnesota. The primary specialty in the NPI Registry is Pediatric Cardiology Physician (taxonomy code 2080P0202X).

Where does Dr. Patrick W. O'Leary practice?

Dr. O'Leary practices at 1216 Second Street Southwest, Rochester, MN 55902. Dr. O'Leary's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dmand AI also links Dr. O'Leary to 12 medical groups, 1 group practice or clinic and 1 hospice.

What is Dr. Patrick W. O'Leary's office phone number?

The practice phone on file for Dr. O'Leary is (507) 255-5123.

What is Dr. Patrick W. O'Leary's medical license number?

Dr. O'Leary holds Minnesota license 33140, one of the licenses on file in 5 states.

Which states has Dr. Patrick W. O'Leary been licensed in?

Dmand AI has state licenses on file for Dr. O'Leary in Minnesota (1989 to 2026), Arizona (2011 to 2026), Iowa (1996 to 2026), North Dakota (1994 to 2026) and Wisconsin (1987 to 2025).

Which hospitals is Dr. Patrick W. O'Leary affiliated with?

Dr. O'Leary practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota.

What medical group is Dr. Patrick W. O'Leary part of?

Dr. O'Leary is linked to Mayo Clinic. Dmand AI links Dr. O'Leary to 12 more medical groups.

Does Dr. Patrick W. O'Leary accept Medicare?

Yes. CMS data shows Dr. O'Leary billed Medicare for 46 services in 2023, and Dr. O'Leary accepts Medicare assignment.

Is Dr. Patrick W. O'Leary board certified?

Yes. Dr. O'Leary is board certified in pediatric cardiology by the American Board of Pediatrics.

Show 7 more questionsShow fewer questions

What services does Dr. Patrick W. O'Leary bill to Medicare?

In 2023, Dr. O'Leary's most billed Medicare services were heart test or procedure (93325), heart test or procedure (93303) and heart test or procedure (93320).

Where did Dr. Patrick W. O'Leary go to medical school?

Dr. O'Leary graduated from University of Wisconsin-Madison in 1986.

What drugs does Dr. Patrick W. O'Leary prescribe most?

In 2020 Medicare Part D data, Dr. O'Leary's most prescribed drugs by claims were Sirolimus.

How long has Dr. Patrick W. O'Leary been practicing?

Dr. O'Leary graduated from medical school in 1986, 40 years ago.

Does Dr. Patrick W. O'Leary do research?

Dmand AI links 114 publications to Dr. O'Leary, published from 2006 to 2024. Dr. O'Leary has worked on 3 clinical trials.

Who does Dr. Patrick W. O'Leary publish with?

Dr. O'Leary's most frequent co-authors are Joseph A. Dearani, MD (31 shared papers), Frank Cetta, MD (28 shared papers) and Muhammad Yasir Qureshi, MD (18 shared papers).

What insurance does Dr. Patrick W. O'Leary accept?

Dr. O'Leary is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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