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

Dr. Shaun Thomas O'Leary, MD, PHD

Individual provider Neurological Surgery Physician · NPI 1841256377

Dr. Shaun Thomas O'Leary, MD, PHD is a Neurosurgery in Pleasant Prairie, Wisconsin. Graduated from Georgetown University School of Medicine in 1996, 30 years ago. Practices with Aurora Medical Group, Inc, a 3,741-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
30
Trained at
Georgetown University School of Medicine
Licensed in
IL, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

12500 Aurora Dr
Pleasant Prairie, WI 53158-1227
Phone: (262) 857-5000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 880 W Central Rd Ste 4100, Arlington Heights, IL 60005-2383 — (847) 618-3800

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 1242 (WI)
Neurological Surgery Physician Taxonomy 207T00000X · Licence 036109803 (IL)

Record details

NPI number1841256377
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedApril 24, 2006
Last updated in NPPESJuly 1, 2024
Certification dateJuly 1, 2024

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Aurora Medical Group, Inc. — 3741 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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