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

Dr. Ryan Gregory Haiar, OD

Individual provider Optometrist · NPI 1689795494

Dr. Ryan Gregory Haiar, OD is an Optometry in Sioux Falls, South Dakota. Graduated from Illinois College of Optometry at Chicago in 2004, 22 years ago. Practices with Eyecare Specialties of South Dakota PC, a 9-clinician group. Licensed in South Dakota.

Years since qualifying
22
Trained at
Illinois College of Optometry at Chicago
Licensed in
SD
In the registry since
2007
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

5129 S Western Ave
Sioux Falls, SD 57108-2670
Phone: (605) 332-2231
Fax: (605) 330-9519
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 635 (SD)

Record details

NPI number1689795494
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedApril 2, 2007
Last updated in NPPESAugust 29, 2025
Certification dateAugust 29, 2025

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 2004 (22 years in practice)
Group practice Eyecare Specialties Of South Dakota Pc — 9 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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