NPIMap

Individual provider Active NPI

Ryan Lowell Geraets, MD

  • Ophthalmology Physician
  • Sioux Falls, SD
National Provider Identifier
1154441608
Registry record updated Jun 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
7461 Issued in SD
Practice address
6601 S Minnesota Ave Ste 200
Sioux Falls, SD 57108
Phone
(605) 336-6294
Fax
(605) 336-0266
NPI assigned
Mar 29, 2007
Last updated
Jun 11, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 7461 SD Primary
Retina Specialist (Ophthalmology) Physician 207WX0107X 7461 SD

Addresses

Primary practice location

6601 S Minnesota Ave Ste 200
Sioux Falls, SD 57108

Mailing address

7505 S Moor Cross Dr
Sioux Falls, SD 57108-3363
Phone (605) 271-2687

Other identifiers 4

IdentifierTypeStateIssuer
460311856MedicaidNE
6301540MedicaidSD
460311856OtherSDWELLMARK
460311856OtherIAWELLMARK

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address rgeraets@ophltd.intellechartdirect.net

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SD, MN2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20090817000768 SD Practitioner - Ophthalmology 6800980756 Reassigns benefits to 1 organization
I20091027000129 MN Practitioner - Ophthalmology 6800980756 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Sanford School of Medicine of University of South Dakota, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ophthalmology LTDGroup PAC ID 0547152571, 13 clinicians

Practice addresses (Care Compare)

1415 N Sanborn Blvd
Mitchell, SD 57301-1015
Phone (605) 336-6294

6601 S Minnesota Ave
Sioux Falls, SD 57108-2564
Phone (605) 336-6294

705 14TH Ave NE
Watertown, SD 57201-6827
Phone (605) 886-7722

722 10TH St
Worthington, MN 56187-2725
Phone (507) 376-6141

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
7461SDMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ophthalmology LTD Ophthalmology CurrentSince Aug 3, 2009 Accepting new patients
Ophthalmology LTD Ophthalmology CurrentSince Aug 3, 2009 Accepting new patients
Ophthalmology LTD Eye Surgery Center L L C PastSince Aug 1, 2013 Accepting new patients

Locations

722 10th St
Worthington, MN 56187
Phone (507) 376-6141

436 E 4th St
Dell Rapids, SD 57022
Phone (605) 428-5701

1415 N Sanborn Blvd
Mitchell, SD 57301
Phone (605) 996-2020

6601 S Minnesota Ave
Ste 200
Sioux Falls, SD 57108
Phone (605) 731-5640

Organizations & group practices 3

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

Hospital & facility affiliations 23

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 23

NPI Registry JSON

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

{
    "created_epoch": "1175126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1154441608",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7505 S MOOR CROSS DR",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571083363",
            "telephone_number": "605-271-2687"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6601 S MINNESOTA AVE STE 200",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "57108",
            "telephone_number": "605-336-6294",
            "fax_number": "605-336-0266"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GERAETS",
        "first_name": "RYAN",
        "middle_name": "LOWELL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-29",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "SD",
            "license": "7461",
            "primary": true
        },
        {
            "code": "207WX0107X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Retina Specialist",
            "state": "SD",
            "license": "7461",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "460311856",
            "state": "NE"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6301540",
            "state": "SD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK",
            "identifier": "460311856",
            "state": "SD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK",
            "identifier": "460311856",
            "state": "IA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rgeraets@ophltd.intellechartdirect.net",
            "affiliation": "N",
            "address_1": "6601 S Minnesota Ave Ste 200",
            "city": "Sioux Falls",
            "state": "SD",
            "country_code": "US",
            "postal_code": "57108",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Sioux Falls, SD

Sources for this page

Verify at the official NPI Registry.