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

Gregory Allan Kouri, OD

Individual provider Optometrist · NPI 1336142272

Gregory Allan Kouri, OD is an Optometry in Yankton, South Dakota. Graduated from Illinois College of Optometry at Chicago in 1993, 33 years ago. Practices with Willcockson Eye Associates PC, a 3-clinician group and accepts Medicare assignment. Licensed in Nebraska and South Dakota.

Years since qualifying
33
Trained at
Illinois College of Optometry at Chicago
Licensed in
NE, SD
In the registry since
2005
Specialties on file
2
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

415 W 3rd St
Yankton, SD 57078-4201
Phone: (605) 665-9638
Fax: (605) 665-0526
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 521 (SD)
Optometrist Taxonomy 152W00000X · Licence 1065 (NE)

Record details

NPI number1336142272
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESNovember 4, 2008
Mailing addressPo Box 819, Yankton, SD 57078-0819

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 1993 (33 years in practice)
Group practice Willcockson Eye Associates Pc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Yankton