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

Mark Stephen Harris, DDS

Individual provider General Practice Dentistry · NPI 1427002385

Mark Stephen Harris, DDS is a General Practice Dentistry in Eureka, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
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

831 Harris St
Eureka, CA 95503-4541
Phone: (707) 443-8367
Fax: (707) 443-2371
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 24456 (CA)

Record details

NPI number1427002385
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedMay 22, 2006
Last updated in NPPESJuly 13, 2026
Mailing address831 Harris St, Eureka, CA 95503-4541

Other providers in Eureka