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

Individual provider Optometrist · NPI 1801981030

Dr. Ryan Ellwein, OD is an Optometrist in Sioux Falls, South Dakota. Practices as a sole proprietor. Licensed in South Dakota.

Licensed in
SD
In the registry since
2006
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

3501 W 41st St Ste 110B
Sioux Falls, SD 57106-0709
Phone: (605) 271-9060
Fax: (605) 271-9062
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 595 (SD)

Record details

NPI number1801981030
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedOctober 4, 2006
Last updated in NPPESMarch 10, 2008

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