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

Mark R Winckler, OD

Individual provider Optometrist · NPI 1538268388

Mark R Winckler, OD is an Optometry in Pine Ridge, South Dakota. Graduated from Illinois College of Optometry at Chicago in 2006, 20 years ago. Accepts Medicare assignment. Licensed in Nebraska and South Dakota.

Years since qualifying
20
Trained at
Illinois College of Optometry at Chicago
Licensed in
NE, SD
In the registry since
2006
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

207 E Main St Ste 1
Pine Ridge, SD 57770-3184
Phone: (605) 867-2772
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 1269 (NE)
Optometrist Taxonomy 152W00000X · Licence 631 (SD)

Record details

NPI number1538268388
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedSeptember 21, 2006
Last updated in NPPESJanuary 3, 2024
Certification dateJanuary 2, 2024

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 2006 (20 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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