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

Mark Douglas Oliver, DDS

Individual provider General Practice Dentistry · NPI 1609986330

Mark Douglas Oliver, DDS is a General Practice Dentistry in Wilmington, Delaware. Practices as a sole proprietor. Licensed in Delaware.

Licensed in
DE
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

1601 Kirkwood Hwy
Wilmington, DE 19805-4917
Phone: (302) 633-5283
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence G1-0000953 (DE)

Record details

NPI number1609986330
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedAugust 30, 2006
Last updated in NPPESJuly 8, 2007

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