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

Dr. Mark Allen O'Rourke, MD

Individual provider Medical Oncology Physician · NPI 1750386058

Dr. Mark Allen O'Rourke, MD is a Medical Oncology Physician in Greenville, South Carolina. Licensed in South Carolina. Registered with an NPI since 2005.

Licensed in
SC
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

3 Butternut Dr Ste B
Greenville, SC 29605-4655
Phone: (864) 298-2826
Fax: (864) 672-7764
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 14771 (SC)

Record details

NPI number1750386058
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2005
Last updated in NPPESJanuary 31, 2018

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