Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Michelle Collier O'Leary, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1285890863

Dr. Michelle Collier O'Leary, MD is a Pathology in Joliet, Illinois. Graduated from Rush Medical College of Rush University in 2008, 18 years ago. Practices with Associate Pathologists of Joliet PLLC, a 4-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
18
Trained at
Rush Medical College of Rush University
Licensed in
IL
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

333 Madison St
Joliet, IL 60435-8200
Phone: (815) 773-7785
Fax: (815) 773-7037
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 125054485 (IL)

Record details

NPI number1285890863
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2008
Last updated in NPPESAugust 1, 2023
Certification dateAugust 1, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPATHOLOGY
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 2008 (18 years in practice)
Group practice Associate Pathologists Of Joliet Pllc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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