Dr. Michelle Collier O'Leary, MD
- Medicare services, 2024
- 5,164
- Medicare patients, 2024
- 1,298
- MIPS score, 2024
- 31
- Hospital affiliations
- 2
- Industry payments
- $18
- Practice address
- 333 Madison St, Joliet, IL 60435
- Practice phone
- Call (815) 725-7133
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Joseph Medical Center - Joliet
Joliet, Illinois
Find Dr. O'Leary's professional email, personal email and mobile number
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Dr. Michelle Collier O'Leary is a pathologist in Joliet, Illinois
Dr. O'Leary practices at St Joseph Medical Center - Joliet in Joliet, Illinois.
Dr. O'Leary's NPI, 1285890863, was assigned on August 1, 2008. Dr. O'Leary graduated from Rush Medical College of Rush University in 2008. Dr. O'Leary holds Illinois license 125054485.
- NPI
- 1285890863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830333228
- NPI enumeration date
- August 1, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 725-7133
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michelle Collier O'Leary practices at St Joseph Medical Center - Joliet in Joliet, Illinois
Dr. O'Leary's primary practice is St Joseph Medical Center - Joliet, at 333 Madison St, Joliet, IL 60435 in Will County. The practice phone is (815) 725-7133.
- St Joseph Medical Center - Joliet333 Madison St, Joliet, IL 60435 · Will CountyPhone(815) 725-7133
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michelle Collier O'Leary is affiliated with 3 sites of care and 2 medical groups
Dr. O'Leary's primary practice is St Joseph Medical Center - Joliet in Joliet, Illinois. Dr. O'Leary is also affiliated with Saint Joseph Medical Center. The medical group on file is Addison-Central Pathology. Dmand AI also links Dr. O'Leary to 1 more hospital and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michelle Collier O'Leary's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Leary practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Joseph Medical Center - Joliet | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michelle Collier O'Leary is one of 487 pathologists in Illinois
Anatomic pathology and clinical pathology is Dr. O'Leary's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. O'Leary is licensed in Illinois.
Specialties and state licenses
- Anatomic pathology and clinical pathology, IllinoisPrimary
Pathologists near Dr. O'Leary
Counts of pathologists 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. Michelle Collier O'Leary billed Medicare for 5,164 services in 2024
CMS data shows 5,164 Medicare services from Dr. O'Leary across 25 procedure codes in 2024, for 1,298 Medicare patients. Medicare paid $120,400 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. O'Leary's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 5,5302024: 5,1647%
Dr. O'Leary compared with the Illinois median for pathologists, 2024
- Dr. O'Leary
- Illinois median
- Medicare services
- 5,164vs 1,3893.7 times
- Medicare patients
- 1,298vs 5732.3 times
Medians across 481 pathologists in Illinois 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Leary and other pathologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michelle Collier O'Leary treated 1,298 Medicare patients in 2024, average age 76
CMS counts 1,298 Medicare patients who saw Dr. O'Leary in 2024. The largest group is 75 to 84, with 502 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.22, 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 65, with 56% women.
Dr. O'Leary's Medicare patients by age, 2024
Dr. O'Leary's Medicare patients by sex, 2024
- Women71955%
- Men57945%
Chronic conditions among Dr. O'Leary's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Ischemic heart disease50%
- Chronic kidney disease48%
- Diabetes46%
- Heart failure45%
- Atrial fibrillation40%
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 65
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michelle Collier O'Leary scored 31 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 31 out of 100 for Dr. O'Leary for performance year 2024, reported individually. Dr. O'Leary accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. O'Leary's MIPS scores, performance year 2024
- 31of 100Final score
- 30of 100Quality
- 0of 100Improvement Activities
- 42of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Michelle Collier O'Leary received $18 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. O'Leary from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Beckman Coulter, Inc. paid the most, $18.
Companies that paid Dr. O'Leary the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michelle Collier O'Leary graduated from Rush Medical College of Rush University
Dr. O'Leary graduated from Rush Medical College of Rush University in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michelle Collier O'Leary's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michelle Collier 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. Michelle Collier O'Leary's NPI number?
Dr. Michelle Collier O'Leary's NPI number is 1285890863. It was assigned on August 1, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Michelle Collier O'Leary?
Dr. Michelle Collier O'Leary is a pathologist in Joliet, Illinois. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Michelle Collier O'Leary practice?
Dr. O'Leary practices at 333 Madison St, Joliet, IL 60435. Dr. O'Leary's primary practice is St Joseph Medical Center - Joliet in Joliet, Illinois. Dmand AI also links Dr. O'Leary to 1 hospital and 1 medical group.
What is Dr. Michelle Collier O'Leary's office phone number?
The practice phone on file for Dr. O'Leary is (815) 725-7133.
What is Dr. Michelle Collier O'Leary's medical license number?
Dr. O'Leary holds Illinois license 125054485.
Which hospitals is Dr. Michelle Collier O'Leary affiliated with?
Dr. O'Leary is affiliated with Saint Joseph Medical Center. Dmand AI links Dr. O'Leary to 1 more hospital.
What medical group is Dr. Michelle Collier O'Leary part of?
Dr. O'Leary is linked to Addison-Central Pathology. Dmand AI links Dr. O'Leary to 1 more medical group.
Does Dr. Michelle Collier O'Leary accept Medicare?
Yes. CMS data shows Dr. O'Leary billed Medicare for 5,164 services in 2024, and Dr. O'Leary accepts Medicare assignment.
What is Dr. Michelle Collier O'Leary's MIPS score?
Dr. O'Leary's MIPS final score for performance year 2024 is 31 out of 100, reported individually.
How many Medicare patients does Dr. Michelle Collier O'Leary see?
CMS counts 1,298 Medicare patients who saw Dr. O'Leary in 2024, with an average age of 76.
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What services does Dr. Michelle Collier O'Leary bill to Medicare?
In 2024, Dr. O'Leary's most billed Medicare services were lab and pathology test (85060), lab and pathology test (88305) and lab and pathology test (88341).
Where did Dr. Michelle Collier O'Leary go to medical school?
Dr. O'Leary graduated from Rush Medical College of Rush University in 2008.
Has Dr. Michelle Collier O'Leary received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. O'Leary from 1 company from 2024 to 2024. The largest total came from Beckman Coulter, Inc.
How long has Dr. Michelle Collier O'Leary been practicing?
Dr. O'Leary graduated from medical school in 2008, 18 years ago.
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