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

Eryn Caudill, OD

Individual provider Optometrist · NPI 1225488950

Eryn Caudill, OD is an Optometry in Spearfish, South Dakota. Graduated from Illinois College of Optometry at Chicago in 2016, 10 years ago. Practices with Kathryn O Haivala OD PLLC, a 3-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
10
Trained at
Illinois College of Optometry at Chicago
Licensed in
SD
In the registry since
2016
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Practice location Address checks out

1420 N Ave
Spearfish, SD 57783-1541
Phone: (605) 642-0387
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 728 (SD)

Record details

NPI number1225488950
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 14, 2016
Last updated in NPPESJune 14, 2016
Mailing address1420 North Ave, Spearfish, SD 57783-1541

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 2016 (10 years in practice)
Group practice Kathryn O Haivala Od Pllc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Spearfish