Individual provider Active NPI

Grace Marie Rork, OD

  • Optometrist
  • Mitchell, SD
National Provider Identifier
1932087343
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
837 Issued in SD
Practice address
1900 Grassland Dr
Mitchell, SD 57301-6335
Phone
(605) 995-5640
NPI assigned
Aug 25, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 837 SD Primary

Addresses

Primary practice location

1900 Grassland Dr
Mitchell, SD 57301-6335

Mailing address

1403 W 21St Ave
Mitchell, SD 57301-6011
Phone (605) 999-5223

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20251014002522 SD Practitioner - Optometry 8729575741 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Optometry
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Avera Queen of PeaceGroup PAC ID 9335050806, 122 clinicians

Practice addresses (Care Compare)

1900 Grassland Dr
Mitchell, SD 57301-6335
Phone (605) 995-5640

525 N Foster St
Mitchell, SD 57301-2966
Phone (605) 995-2234

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
837SDMDOptometrist

Practice roles

OrganizationSpecialtyStatusNew patients
Avera Queen of Peace CurrentSince Sep 15, 2025 Accepting new patients
Avera Marshall Current Accepting new patients
Avera Queen of Peace CurrentSince Sep 15, 2025 Accepting new patients
Avera Queen of Peace Current Accepting new patients
Avera Queen of Peace Past Accepting new patients

Locations

1900 Grassland Dr
Mitchell, SD 57301
Phone (605) 655-1220

525 N Foster St
Mitchell, SD 57301
Phone (605) 995-2000

Interoperability endpoints

  • Direct secure messaging: grace.grabenstein@avera.sdhealthlink.net
  • Direct secure messaging: ggrabenstein@avera.intellechartdirect.net

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1756080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1932087343",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1403 W 21ST AVE",
            "city": "MITCHELL",
            "state": "SD",
            "postal_code": "573016011",
            "telephone_number": "605-999-5223"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1900 GRASSLAND DR",
            "city": "MITCHELL",
            "state": "SD",
            "postal_code": "573016335",
            "telephone_number": "605-995-5640"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RORK",
        "first_name": "GRACE",
        "middle_name": "MARIE",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-25",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "SD",
            "license": "837",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mitchell, SD

Sources for this page

Verify at the official NPI Registry.