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

Michael C Oneil Jr., MD

Individual provider Medical Oncology Physician · NPI 1134103252

Michael C Oneil Jr., MD is a Medical Oncology Physician in Roseburg, Oregon. Licensed in Oregon. Registered with an NPI since 2005.

Licensed in
OR
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2880 NW Stewart Pkwy Ste 301
Roseburg, OR 97471-1206
Phone: (541) 673-6777
Fax: (541) 440-3783
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence MD12556 (OR)

Record details

NPI number1134103252
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2005
Last updated in NPPESMay 22, 2009