NPPES file of Aug 9, 2026

Edward T. O'Leary, M.D.

Clinical Cardiac Electrophysiology Physician · Boston, MA

Edward T. O'Leary, M.D. is a clinical cardiac electrophysiology physician with a practice address in Boston, Massachusetts, and NPI 1285977082, issued on Mar 29, 2013. Check the license (Massachusetts 265916, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285977082
Name
Edward T. O'Leary
Credential
M.D.
Primary taxonomy
Clinical Cardiac Electrophysiology Physician 207RC0001X
License numbers
265916 MA
MD24203 ME
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(617) 355-6000
Enumerated
Mar 29, 2013
Record last updated
Feb 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210309000232); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 2013
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 300 Longwood Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Edward T. O'Leary in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 265916
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

99% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024

12 Medicare Part D claims, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D.

  1. Edward O'Leary12
  2. Specialty average1,710

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 98.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $295.76

5 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Edward O'Leary$296
  2. Specialty average$10,651

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Boston Childrens Heart Foundation IncBoston, MA
  2. MainehealthPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clinical Cardiac Electrophysiology Physician providers in Massachusetts

There are 116 clinical cardiac electrophysiology physician records in Massachusetts.

Other clinical cardiac electrophysiology physician records in Massachusetts

  1. Dominic Abrams, BSC MBBS MRCP MDBoston, MA1821372228
  2. Kolade Agboola, MDBoston, MA1356791644
  3. Jameel Ahmed, MDBoston, MA1326094996
  4. Elad Anter, M.D.Boston, MA1891832499
  5. Lyudmila Aurora, D.O.Fall River, MA1447608385
  6. Conor Barrett, MDBoston, MA1548434517
  7. Begona Benito Villabriga, MDBoston, MA1528376464
  8. Laura Bevilacqua, MDBoston, MA1700875507
  9. Vassilios Bezzerides, M.D., PH.D.Boston, MA1194992834
  10. Abhishek Bhagat, M.D.Springfield, MA1568918811

Common questions

What is Edward T. O'Leary, M.D.'s NPI number?

Edward T. O'Leary, M.D.'s National Provider Identifier (NPI) is 1285977082, issued on Mar 29, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Edward T. O'Leary, M.D. located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6000. Providers update this record themselves, so call before visiting.

How can I verify Edward T. O'Leary, M.D.'s license?

NPPES lists Massachusetts license number 265916, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Edward T. O'Leary, M.D. prescribe under Medicare Part D?

In 2024, Edward T. O'Leary, M.D. had 12 Medicare Part D claims; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.

What is Edward T. O'Leary, M.D.'s MIPS final score?

The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.