Gregory D Osmundson, M.D.

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

4573 Issued in SD

Practice address

6601 S Minnesota Ave
Suite 200
Sioux Falls, SD 57108

Phone

(605) 336-6294

Fax

(605) 336-0266

NPI assigned

Mar 27, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 11

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in SD, MN2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Ophthalmology

Education

Sanford School of Medicine of University of South Dakota, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ophthalmology LTDGroup PAC ID 0547152571, 13 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Prairie Lakes Healthcare System, Inc Hospital, Watertown, SD, CCN 430005

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Ophthalmology LTD

  • Ophthalmology Physician
  • Sioux Falls, SD
  • NPI 1871589531
  Medicare reassignment Care Compare group
• Lac Qui Parle Clinic of Madison Inc

  • Rural Health Clinic/Center
  • Madison, MN
  • NPI 1144266156
  Medicare reassignment NPD
• Madison Healthcare Services

  • Critical Access Hospital
  • Madison, MN
  • NPI 1942246848
  Medicare reassignment NPD
• Sioux Falls Specialty Hospital, LLP

  • Special Hospital
  • Sioux Falls, SD
  • NPI 1316946809
  NPD (past)

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

{
    "created_epoch": "1143417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1255391801",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6601 S MINNESOTA AVE STE 200",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571082564",
            "telephone_number": "605-336-6294",
            "fax_number": "605-336-0266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6601 S MINNESOTA AVE",
            "address_2": "SUITE 200",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "57108",
            "telephone_number": "605-336-6294",
            "fax_number": "605-336-0266"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OSMUNDSON",
        "first_name": "GREGORY",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-27",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207WX0009X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Glaucoma Specialist",
            "state": "SD",
            "license": "4573",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "SD",
            "license": "4573",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UCARE MN",
            "identifier": "123714",
            "state": "MN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "137323400",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHPARTNERS",
            "identifier": "HP76197",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NE MEDICAID",
            "identifier": "46031185613",
            "state": "NE"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0524207",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6301490",
            "state": "SD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MNBS NON",
            "identifier": "663S4OS",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SD WELLMARK",
            "identifier": "6238",
            "state": "SD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DAKOTACARE",
            "identifier": "4573",
            "state": "SD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MN BLUE SHIELD",
            "identifier": "06F30OS",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK OF IA",
            "identifier": "25529",
            "state": "IA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gosmundson@ophltd.intellechartdirect.net",
            "affiliation": "N",
            "address_1": "6601 S Minnesota Ave",
            "address_2": "Suite 200",
            "city": "Sioux Falls",
            "state": "SD",
            "country_code": "US",
            "postal_code": "57108",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Roy Osborn, PT, DPT, MS, OCS
• Lauren R Osborne, PA
• Osd Care of SD, LLC
• Brenna Osksa, OTD
• Kyra Grace Osland
• Benjamin William Ostebee, PHARMD
• Tiffany Oster, MA, CCC-SLP
• Lindsey Osterkamp, PHARM.D.
• Jayde Jacklyn Ostermyer
• Ryan L Ostgaard, MS, LPC-MH, CCDCIII

• Ophthalmology Physician in Sioux Falls, SD
• Providers in Sioux Falls, SD by specialty
• Ophthalmology Physician in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 2026; 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.