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

Dr. Guy C Markham, DDS

Individual provider Dentist · NPI 1861469306

Dr. Guy C Markham, DDS is a Dentist in Santa Ynez, 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

90 Via Juana Ln
Santa Ynez, CA 93460-9405
Phone: (805) 688-7070
Fax: (805) 686-2060
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 16217 (CA)

Record details

NPI number1861469306
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedMarch 3, 2006
Last updated in NPPESJuly 8, 2007
Mailing address922 Vista Del Rio, Santa Maria, CA 93458

Other providers in Santa Ynez