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

Individual provider Neurological Surgery Physician · NPI 1245473511

Brent O'Neill, MD is a Neurosurgery in Aurora, Colorado. Qualified in 2003, 23 years ago. Practices with The Milton S Hershey Medical Center Physicians Group, a 1,595-clinician group and accepts Medicare assignment. Licensed in Colorado and Pennsylvania.

Years since qualifying
23
Licensed in
CO, PA
In the registry since
2009
Specialties on file
2
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

13123 E 16th Ave
Aurora, CO 80045-7106
Phone: (720) 777-1234
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence MD480418 (PA)
Neurological Surgery Physician Taxonomy 207T00000X · Licence 48964 (CO)

Record details

NPI number1245473511
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 15, 2009
Last updated in NPPESJune 15, 2023
Certification dateJune 15, 2023

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice The Milton S Hershey Medical Center Physicians Group — 1595 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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