BRIAN ANTHONY O'LEARY M.D.
NPI 1255523940
Internal Medicine - Interventional Cardiology in Indianapolis, IN

Q: What is Brian O'leary's NPI number?

The NPI number for Brian O'leary is 1255523940. It was assigned to this individual provider in the NPPES registry on August 16, 2007.

Q: What is Brian O'leary's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Brian O'leary was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 16, 2007PECOS EnrolledAccepts Medicare Assignment

1801 N SENATE BLVD, STE 4000, INDIANAPOLIS, IN 46202(317) 924-5444 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 20, 2026, Dec 21, 2020 (2 updates tracked since 2020).

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About Brian Anthony O'leary M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIAN ANTHONY O'LEARY M.D. (NPI 1255523940) is an individual interventional cardiology provider in Indianapolis, Indiana, licensed in Indiana (01075488A) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Johnson Memorial Hospital, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1255523940

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameBRIAN ANTHONY O'LEARYCredential: M.D.

Location Address1801 N SENATE BLVD, STE 4000Indianapolis, IN 46202-1228

Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959

Phone(317) 924-5444

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2007

Enumeration DateAugust 16, 2007

Last NPPES UpdateJanuary 20, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 20, 2026

✔ NPI 1255523940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

Licenses✔ Licensed in IN · 01075488A✔ Licensed in WI · 62408-20

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 01075488A (IN)

1801 N SENATE BLVD, Indianapolis, IN 46202

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Secondary Practice Location 1

Location 1720 Eskenazi AveIndianapolis, IN 46202-5187 · Phone (317) 880-7666 · Fax (317) 880-0448

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brian Anthony O'leary M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921312612

PECOS Enrollment IDI20150810001198

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Brian O'leary reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Indiana University Health Care Associates, Inc.

Same address

Dietitian, Registered

1800 N CAPITOL AVE, B445
Indianapolis, IN 46202

Reassigned Medicare billing, Indiana enrollment
1,781 clinicians in this Medicare group

NPI 1679949002 (317) 944-3500

Iu Health Medical Group, LLC

0.1 mi

General Practice

1701 N SENATE BLVD
Indianapolis, IN 46202

Reassigned Medicare billing, Indiana enrollment
5,212 clinicians in this Medicare group

NPI 1326893777 (317) 962-2000

The Health And Hospital Corporation Of Marion County

0.2 mi

Federally Qualified Health Center (FQHC)

1660 N ILLINOIS ST
Indianapolis, IN 46202

Reassigned Medicare billing, Indiana enrollment
564 clinicians in this Medicare group

NPI 1518536507 (317) 554-5700

Indiana University Health, Inc

0.2 mi

Cardiovascular Disease

1701 N SENATE BLVD
Indianapolis, IN 46202

Reassigned Medicare billing, Indiana enrollment
148 clinicians in this Medicare group

NPI 1376586719 (317) 962-2000

Johnson Memorial Hospital

21 mi

Occupational Medicine

2085 ACORN BLVD
Franklin, IN 46131

Reassigned Medicare billing, Indiana enrollment
97 clinicians in this Medicare group

NPI 1679577357 (317) 346-2273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

205 services149 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

110 services101 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

84 services82 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

84 services79 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

77 services76 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

60 services60 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

58 services36 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

49 services26 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

43 services43 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

35 services35 patients

Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist 93460

This procedure involves placing a tube into the heart chambers and coronary artery. It helps diagnose heart conditions. A radiologist reviews the images obtained. It's a standard, safe procedure performed by experienced medical professionals.

23 services23 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

17 services17 patients

Insertion of tube in right heart chambers for measurement 93451

This procedure involves placing a small, flexible tube into the right side of your heart. It helps assess how your heart is functioning by measuring pressures within the heart chambers. It's a key tool in diagnosing certain heart conditions.

13 services13 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

13 services13 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

11 services11 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johnson Memorial Hospital

Acute Care Hospitals · Franklin, IN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number150001

Location1125 W Jefferson StFranklin, IN 46131 · Johnson County

Emergency services Birthing friendly

Eskenazi Health

Acute Care Hospitals · Indianapolis, IN

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number150024

Location720 Eskenazi AvenueIndianapolis, IN 46202 · Marion County

Emergency services Birthing friendly

Indiana University Health Bloomington Hospital

Acute Care Hospitals · Bloomington, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150051

Location2651 East Discovery ParkwayBloomington, IN 47408 · Monroe County

Emergency services Birthing friendly

Indiana University Health

Acute Care Hospitals · Indianapolis, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150056

Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DOMENICO CALCATERRA MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

1801 N SENATE BLVD, STE 3300
INDIANAPOLIS, IN 46202

Marion County (317) 923-1787

JOHN THOMAS GRIPE M.D.

Anesthesiology

1801 N SENATE BLVD
INDIANAPOLIS, IN 46202

Marion County (317) 577-4200

MORGAN LEIGH KINNEY NP

Nurse Practitioner (Gerontology)

1801 N SENATE BLVD, SUITE 635
INDIANAPOLIS, IN 46202

Marion County (317) 962-3235

OLAJIDE O ODELOWO MD

Internal Medicine (Gastroenterology)

1801 N SENATE BLVD, SUITE 400
INDIANAPOLIS, IN 46202

Marion County (317) 962-6300

DAVID NEIL BROWN MD

Internal Medicine (Gastroenterology)

1801 N SENATE BLVD, STE 400
INDIANAPOLIS, IN 46202

Marion County (317) 962-6300

BENJAMIN MICHAEL KLINE PA-C

Physician Assistant

1801 N SENATE BLVD, SUITE 535
INDIANAPOLIS, IN 46202

Marion County (317) 963-1950

DR. SAMUEL HOLLINGSWORTH M.D.

Internal Medicine

1801 N SENATE BLVD, STE 400
INDIANAPOLIS, IN 46202

Marion County (317) 962-5581

DR. ANDREW D NIGH MD

Surgery

1801 N SENATE BLVD, SUITE 635
INDIANAPOLIS, IN 46202

Marion County (317) 963-1453

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian O'leary's NPI number?

The NPI number for Brian O'leary is 1255523940. It was assigned to this individual provider in the NPPES registry on August 16, 2007.

Where is Brian O'leary located?

Brian O'leary practices at 1801 N Senate Blvd Ste 4000, Indianapolis, IN 46202. The listed phone number is (317) 924-5444.

What is Brian O'leary's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Brian O'leary enrolled in Medicare?

Yes. Brian O'leary is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Brian O'leary's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian O'leary reassigns Medicare benefits to 5 organizations: Indiana University Health Care Associates, Inc. (Indianapolis, IN), Iu Health Medical Group, LLC (Indianapolis, IN), The Health And Hospital Corporation Of Marion County (Indianapolis, IN), Indiana University Health, Inc (Indianapolis, IN) and Johnson Memorial Hospital (Franklin, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brian O'leary's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian O'leary accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Brian O'leary as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Brian O'leary affiliated with any hospitals?

According to CMS data, Brian O'leary is affiliated with Johnson Memorial Hospital, Eskenazi Health, Indiana University Health Bloomington Hospital and Indiana University Health.

When was this NPI record last updated?

The NPPES record for Brian O'leary was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.