Ryan Gregory Haiar, O.D.

Primary specialty

OptometristTaxonomy code 152W00000X

License

635 Issued in SD

Practice address

5129 S Western Ave
Sioux Falls, SD 57108-2670

Phone

(605) 332-2231

Fax

(605) 330-9519

NPI assigned

Apr 2, 2007

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in SD

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Optometry

Education

Illinois College of Optometry at Chicago, 2004

Medicare assignment

May accept Medicare assignment

Group practices

Eyecare Specialties of South Dakota PCGroup PAC ID 1759875123, 9 clinicians

Howlin Vision Clinic PCGroup PAC ID 6901893783, 7 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

99.17 of 100Reported as group

Quality

98.33

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Eyecare Specialties of South Dakota, P.C.

  • Optometrist
  • Sioux Falls, SD
  • NPI 1942176680
  Medicare reassignment Care Compare group NPD
• Howlin Vision Clinic, P.C.

  • Optometrist
  • Sioux Falls, SD
  • NPI 1083777676
  Medicare reassignment Care Compare group NPD
• Howlin Vision Clinic, P.C.

  • Optometrist
  • Sioux Falls, SD
  • NPI 1538340575
  NPD
• Howlin Vision Clinic, P.C.

  • Optometrist
  • Sioux Falls, SD
  • NPI 1902533276
  NPD
• TKC Optical, Inc.

  • Eyewear Supplier
  • Sioux Falls, SD
  • NPI 1255486346
  NPD (past)
• Vision Care Associates, LLP

  • Optometrist
  • Aberdeen, SD
  • NPI 1265502264
  NPD (past)
• Professional Eye Care Center, Inc.

  • Optometrist
  • Niles, IL
  • NPI 1720171515
  NPD (past)
• TKC Optical

  • Eyewear Supplier
  • Storm Lake, IA
  • NPI 1467501981
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1175472000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756425600000",
    "number": "1689795494",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5129 S WESTERN AVE",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571082670",
            "telephone_number": "605-332-2231",
            "fax_number": "605-330-9519"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5129 S WESTERN AVE",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571082670",
            "telephone_number": "605-332-2231",
            "fax_number": "605-330-9519"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAIAR",
        "first_name": "RYAN",
        "middle_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "O.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-02",
        "last_updated": "2025-08-29",
        "certification_date": "2025-08-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "SD",
            "license": "635",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9203730",
            "state": "SD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Hahn, FNP-C
• Kim Marie Hahn
• Derik James Hai, MASSAGE THERAPISTS
• Haiar Dental PLLC
• Kevin Michael Haiar, D.D.S.
• Lincoln Haiby, PHARMD
• Jena Rae Haigh, DPT
• Kelly M Haines, CRNA
• Hair Happens LLC
• Rizan A Hajal, MD

• Optometrist in Sioux Falls, SD
• Providers in Sioux Falls, SD by specialty
• Optometrist in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.