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

Ralph David Erdrich, RN

Individual provider Administrator Registered Nurse · NPI 1891946596

Ralph David Erdrich, RN is an Administrator Registered Nurse in Sisseton, South Dakota. Licensed in South Dakota. Registered with an NPI since 2008.

Licensed in
SD
In the registry since
2008
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

100 Lake Traverse Dr
Sisseton, SD 57262-7046
Phone: (605) 698-7606
Fax: (605) 698-3774
Show map & directions

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

Specialties & licences

Administrator Registered Nurse (primary) Taxonomy 163WA2000X · Licence R024741 (SD)

Record details

NPI number1891946596
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedOctober 1, 2008
Last updated in NPPESOctober 1, 2008
Mailing address100 Lake Traverse Dr, Sisseton, SD 57262-7046