Dr. Sean Michael O'Leary, MD

  • Columbus, OH
  • Emergency medicine physician
NPI1649777582PAC ID3173945078
Medicare services, 2024
363
Medicare patients, 2024
363
Part D claims, 2024
241
Hospital affiliations
3
Industry payments
$283
Practice address
111 South Grant Avenue, Columbus, OH 43215
Practice phone
Call (614) 566-9164
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

OhioHealth Grant Medical Center

Hospital · Columbus, Ohio

See all 6 affiliations

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Dr. Sean Michael O'Leary is an emergency medicine physician in Columbus, Ohio

Dr. O'Leary practices at OhioHealth Grant Medical Center in Columbus, Ohio, part of OhioHealth.

Dr. O'Leary's NPI, 1649777582, was assigned on April 8, 2018. Dr. O'Leary graduated from University of Louisville School of Medicine in 2020. Dr. O'Leary holds Ohio license 35.147437.

NPI and contact details
Medicare PAC ID
3173945078
NPI enumeration date
April 8, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(614) 566-9164
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
32
Medical school graduation
2020

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

Dr. Sean Michael O'Leary practices at OhioHealth Grant Medical Center in Columbus, Ohio

Dr. O'Leary's primary practice is OhioHealth Grant Medical Center, at 111 South Grant Avenue, Columbus, OH 43215 in Franklin County. The practice phone is (614) 566-9164.

Source: Dmand AI Affiliation Data

Dr. Sean Michael O'Leary is affiliated with 5 sites of care and 1 medical group

Dr. O'Leary's primary practice is OhioHealth Grant Medical Center in Columbus, Ohio, part of OhioHealth. Dr. O'Leary is also affiliated with OhioHealth Riverside Methodist Hospital. The medical group on file is Mid-Ohio Emergency Services (MOES). Dmand AI also links Dr. O'Leary to 1 more hospital, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account.

See all 6 affiliations for Dr. O'Leary

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

Dmand AI tracks the EHR system at Dr. Sean Michael O'Leary's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Leary practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
OhioHealth Grant Medical CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Sean Michael O'Leary is one of 2,401 emergency medicine physicians in Ohio

Emergency medicine is Dr. O'Leary's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. O'Leary is licensed in Ohio.

Specialties and state licenses

  • Emergency medicine, OhioPrimaryLicense 35.147437 · taxonomy 207P00000X

Emergency medicine physicians near Dr. O'Leary

Counts of emergency medicine 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. Sean Michael O'Leary billed Medicare for 363 services in 2024

CMS data shows 363 Medicare services from Dr. O'Leary across 4 procedure codes in 2024, for 363 Medicare patients. Medicare paid $44,738 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024363
Medicare patients363
Paid by Medicare$44,738
Procedure codes4

Dr. O'Leary's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2022024: 36380%

Dr. O'Leary compared with the Ohio median for emergency medicine physicians, 2024

  • Dr. O'Leary
  • Ohio median
Medicare services
363vs 26636% above
Medicare patients
363vs 24846% above
Part D claims
102vs 6557% above

Medians across 2,448 emergency medicine physicians in Ohio with Dmand AI profiles that report each measure.

Dr. O'Leary's most billed Medicare procedure codes, 2024

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. Sean Michael O'Leary treated 363 Medicare patients in 2024, average age 74

CMS counts 363 Medicare patients who saw Dr. O'Leary in 2024. The largest group is 75 to 84, with 133 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.99, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. O'Leary's median patient age at 45, with 60% women.

Medicare patients, 2024363
Average age74
Average risk score1.99
Also on Medicaid23%

Dr. O'Leary's Medicare patients by age, 2024

Dr. O'Leary's Medicare patients by sex, 2024

  • Women21158%
  • Men15242%

Chronic conditions among Dr. O'Leary's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis63%
  4. Mood disorders45%
  5. Anxiety42%
  6. Depression41%
  7. Diabetes39%
  8. Ischemic heart disease37%

Share of Medicare patients with each condition. A patient can have several.

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 45

Patient panel by sex, all payers

  • Women60%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Sean Michael O'Leary wrote 241 Medicare Part D claims in 2024

In 2024, Dr. O'Leary wrote 241 Medicare Part D claims for 157 patients. 90% of them were for generic drugs. CMS names the drug for 102 of them, across 6 drugs with 11 or more claims each, at $857 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 2024241
Drugs named by CMS6
Total drug cost$857
Part D patients157

Dr. O'Leary's Part D claims by kind of drug, 2024

  • Generic217 claims90%
  • Brand-name and other24 claims10%

Dr. O'Leary's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. O'Leary's Part D claims, 2024

  • Opioids17%41 of 241 claims
  • Antibiotics28%67 of 241 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 112024: 102827%

Drugs named by CMS: 6 in 2024, 1 in 2023.

See all prescribing by Dr. O'Leary

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

How Dr. Sean Michael 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. Sean Michael O'Leary received $283 in industry payments in 2025

CMS Open Payments shows 2 general payments to Dr. O'Leary from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alafair Biosciences, Inc. paid the most, $147.

Companies that paid Dr. O'Leary the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. O'Leary

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Sean Michael O'Leary graduated from University of Louisville School of Medicine

Dr. O'Leary graduated from University of Louisville School of Medicine in 2020.

  1. Medical schoolUniversity of Louisville School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Sean Michael 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Sean Michael 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. Sean Michael O'Leary's NPI number?

Dr. Sean Michael O'Leary's NPI number is 1649777582. It was assigned on April 8, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Sean Michael O'Leary?

Dr. Sean Michael O'Leary is an emergency medicine physician in Columbus, Ohio. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Sean Michael O'Leary practice?

Dr. O'Leary practices at 111 South Grant Avenue, Columbus, OH 43215. Dr. O'Leary's primary practice is OhioHealth Grant Medical Center in Columbus, Ohio, part of OhioHealth. Dmand AI also links Dr. O'Leary to 1 hospital, 1 group practice or clinic and 1 hospital outpatient department.

What is Dr. Sean Michael O'Leary's office phone number?

The practice phone on file for Dr. O'Leary is (614) 566-9164.

What is Dr. Sean Michael O'Leary's medical license number?

Dr. O'Leary holds Ohio license 35.147437.

Which hospitals is Dr. Sean Michael O'Leary affiliated with?

Dr. O'Leary practices at OhioHealth Grant Medical Center in Columbus, Ohio. Dr. O'Leary is also affiliated with OhioHealth Riverside Methodist Hospital. Dmand AI links Dr. O'Leary to 1 more hospital.

What medical group is Dr. Sean Michael O'Leary part of?

Dr. O'Leary is linked to Mid-Ohio Emergency Services (MOES).

Does Dr. Sean Michael O'Leary accept Medicare?

Yes. CMS data shows Dr. O'Leary billed Medicare for 363 services in 2024, and Dr. O'Leary accepts Medicare assignment.

How many Medicare patients does Dr. Sean Michael O'Leary see?

CMS counts 363 Medicare patients who saw Dr. O'Leary in 2024, with an average age of 74.

What services does Dr. Sean Michael O'Leary bill to Medicare?

In 2024, Dr. O'Leary's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Show 4 more questionsShow fewer questions

Where did Dr. Sean Michael O'Leary go to medical school?

Dr. O'Leary graduated from University of Louisville School of Medicine in 2020.

What drugs does Dr. Sean Michael O'Leary prescribe most?

In 2024 Medicare Part D data, Dr. O'Leary's most prescribed drugs by claims were Ondansetron ODT, Hydrocodone-Acetaminophen and Cephalexin.

Has Dr. Sean Michael O'Leary received payments from drug or device companies?

CMS Open Payments shows $283 in general payments to Dr. O'Leary from 2 companies from 2025 to 2025. The largest total came from Alafair Biosciences, Inc.

How long has Dr. Sean Michael O'Leary been practicing?

Dr. O'Leary graduated from medical school in 2020, 6 years ago.

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