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

Ryan Ellwein OD PC

Organization Ophthalmologic Surgery Clinic/Center · NPI 1912229683

Ryan Ellwein OD PC is an Ophthalmologic Surgery Clinic/Center in Sioux Falls, South Dakota. Licensed in South Dakota. Registered with an NPI since 2010.

Licensed in
SD
In the registry since
2010
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

3501 W 41st St Ste 110 B
Sioux Falls, SD 57106-0709
Phone: (605) 271-9060
Fax: (605) 271-9062
Show map & directions

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

Specialties & licences

Ophthalmologic Surgery Clinic/Center (primary) Taxonomy 261QS0132X · Licence 595 (SD)

Record details

NPI number1912229683
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ryan Ellwein — Owner · (605) 271-9060
NPI enumeratedFebruary 23, 2010
Last updated in NPPESFebruary 23, 2010
Mailing address3501 W 41st St, Ste 110 B, Sioux Falls, SD 57106-0709