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

Christopher R Sierk, DDS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1104001106

Christopher R Sierk, DDS is an Orthodontics and Dentofacial Orthopedics Dentistry in Tigard, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2008
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

11565 SW Hall Blvd
Tigard, OR 97223-8493
Phone: (503) 620-6606
Fax: (503) 624-6382
Show map & directions

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

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence D7192 (OR)

Record details

NPI number1104001106
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJanuary 8, 2008
Last updated in NPPESJanuary 8, 2008
Mailing address11565 Sw Hall Blvd, Tigard, OR 97223-8493

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