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

Mark Niederkorn, MA

Individual provider Social Worker · NPI 1366508319

Mark Niederkorn, MA is a Social Worker in Oregon City, Oregon. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

See every abbreviation used in this directory →

Practice location Address checks out

998 Library Ct
Oregon City, OR 97045-4041
Phone: (503) 655-8401
Fax: (503) 655-8429
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1366508319
Entity typeIndividual (Type 1)
GenderMale
Credentials MA
Sole proprietorNo
NPI enumeratedDecember 27, 2006
Last updated in NPPESJuly 8, 2007
Mailing address998 Library Ct, Oregon City, OR 97045-4041

Other providers in Oregon City