Michelle Collier O'Leary, MD
Anatomic Pathology & Clinical Pathology Physician · Joliet, IL
Michelle Collier O'Leary, MD is an anatomic pathology & clinical pathology physician with a practice address in Joliet, Illinois, and NPI 1285890863, issued on Aug 1, 2008. Check the license (Illinois 125054485, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Michelle Collier O'Leary
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 125054485 IL
Self-reported in NPPES; status is on the state search - Practice location
- 333 Madison St, Joliet, IL 60435
- Phone
- (815) 773-7785
- Enumerated
- Aug 1, 2008
- Record last updated
- Aug 1, 2023
- Fax
- (815) 773-7037
- Medicare enrollment
- Enrolled (PECOS I20130925000687); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2008
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 789 in Illinois → Look up another NPI →
Also registered at 333 Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Midhun Ajikumar, PA-CPhysician Assistant1437991080
- Janine Andriusis, D.O.Emergency Medicine Physician1356581037
- Kellie BaileyRegistered Dietitian1447699707
- Tamara Baird, FNPFamily Nurse Practitioner1114417391
- Valbona Behaj, M.D.Internal Medicine Physician1407011588
- Christopher Berg, DOEmergency Medicine Physician1003816323
Verify Michelle Collier O'Leary in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125054485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $18.15
1 payment: food and beverage; the largest payer was Beckman Coulter, Inc. The 2,607 providers of this specialty with any payment received $3,565.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Associate Pathologists OF Joliet PLLCJoliet, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Collier O'Leary among 789 anatomic pathology & clinical pathology physician records in Illinois
Michelle Collier O'Leary, MD is one of 789 anatomic pathology & clinical pathology physician records with a practice address in Illinois. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 49% of them.
- NPI issued2008 · 49% of these records are older, 42% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2008 · median 2003 among the 396 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Illinois
There are 789 anatomic pathology & clinical pathology physician records in Illinois.
All 789 in Illinois → Every provider in Joliet → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Samir Gupta, M.D.Joliet, IL 604351407844517
- Joseph Natarelli, D.O.Joliet, IL 604351043208317
- April Platt, M.D.Joliet, IL 604351679566574
- Peter Tomas, M.D.Joliet, IL 604351043208176
- James Urban, M.D.Joliet, IL 604351205829140
- Yasmeen Kagalwalla, MDJoliet, IL 604321093771438
- Allison CavalloLockport, IL 604411528354842
- Charles Van Slambrouck, MDHazel Crest, IL 604291356653596
Common questions
What is Michelle Collier O'Leary, MD's NPI number?
Michelle Collier O'Leary, MD's National Provider Identifier (NPI) is 1285890863, issued on Aug 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Collier O'Leary, MD located?
The NPPES record lists a practice address at 333 Madison St, Joliet, IL, 60435. Phone: (815) 773-7785. Providers update this record themselves, so call before visiting.
How can I verify Michelle Collier O'Leary, MD's license?
NPPES lists Illinois license number 125054485, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Michelle Collier O'Leary, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.